1264 lines
37 KiB
Bash
Executable File
1264 lines
37 KiB
Bash
Executable File
#!/bin/sh
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test_description='built-in file system watcher'
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. ./test-lib.sh
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if ! test_have_prereq FSMONITOR_DAEMON
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then
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skip_all="fsmonitor--daemon is not supported on this platform"
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test_done
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fi
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stop_daemon_delete_repo () {
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r=$1 &&
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test_might_fail git -C $r fsmonitor--daemon stop &&
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rm -rf $1
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}
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start_daemon () {
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r= tf= t2= tk= &&
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while test "$#" -ne 0
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do
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case "$1" in
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-C)
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r="-C ${2?}"
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shift
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;;
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--tf)
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tf="${2?}"
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shift
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;;
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--t2)
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t2="${2?}"
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shift
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;;
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--tk)
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tk="${2?}"
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shift
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;;
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-*)
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BUG "error: unknown option: '$1'"
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;;
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*)
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BUG "error: unbound argument: '$1'"
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;;
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esac
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shift
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done &&
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(
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if test -n "$tf"
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then
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GIT_TRACE_FSMONITOR="$tf"
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export GIT_TRACE_FSMONITOR
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fi &&
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if test -n "$t2"
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then
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GIT_TRACE2_PERF="$t2"
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export GIT_TRACE2_PERF
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fi &&
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if test -n "$tk"
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then
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GIT_TEST_FSMONITOR_TOKEN="$tk"
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export GIT_TEST_FSMONITOR_TOKEN
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fi &&
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git $r fsmonitor--daemon start &&
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git $r fsmonitor--daemon status
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)
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}
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# Is a Trace2 data event present with the given catetory and key?
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# We do not care what the value is.
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#
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have_t2_data_event () {
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c=$1 &&
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k=$2 &&
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grep -e '"event":"data".*"category":"'"$c"'".*"key":"'"$k"'"'
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}
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test_expect_success 'explicit daemon start and stop' '
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test_when_finished "stop_daemon_delete_repo test_explicit" &&
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git init test_explicit &&
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start_daemon -C test_explicit &&
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git -C test_explicit fsmonitor--daemon stop &&
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test_must_fail git -C test_explicit fsmonitor--daemon status
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'
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test_expect_success 'implicit daemon start' '
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test_when_finished "stop_daemon_delete_repo test_implicit" &&
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git init test_implicit &&
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test_must_fail git -C test_implicit fsmonitor--daemon status &&
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# query will implicitly start the daemon.
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#
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# for test-script simplicity, we send a V1 timestamp rather than
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# a V2 token. either way, the daemon response to any query contains
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# a new V2 token. (the daemon may complain that we sent a V1 request,
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# but this test case is only concerned with whether the daemon was
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# implicitly started.)
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GIT_TRACE2_EVENT="$PWD/.git/trace" \
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test-tool -C test_implicit fsmonitor-client query --token 0 >actual &&
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nul_to_q <actual >actual.filtered &&
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grep "builtin:" actual.filtered &&
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# confirm that a daemon was started in the background.
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#
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# since the mechanism for starting the background daemon is platform
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# dependent, just confirm that the foreground command received a
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# response from the daemon.
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have_t2_data_event fsm_client query/response-length <.git/trace &&
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git -C test_implicit fsmonitor--daemon status &&
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git -C test_implicit fsmonitor--daemon stop &&
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test_must_fail git -C test_implicit fsmonitor--daemon status
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'
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# Verify that the daemon has shutdown. Spin a few seconds to
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# make the test a little more robust during CI testing.
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#
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# We're looking for an implicit shutdown, such as when we delete or
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# rename the ".git" directory. Our delete/rename will cause a file
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# system event that the daemon will see and the daemon will
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# auto-shutdown as soon as it sees it. But this is racy with our `git
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# fsmonitor--daemon status` commands (and we cannot use a cookie file
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# here to help us). So spin a little and give the daemon a chance to
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# see the event. (This is primarily for underpowered CI build/test
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# machines (where it might take a moment to wake and reschedule the
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# daemon process) to avoid false alarms during test runs.)
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#
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IMPLICIT_TIMEOUT=5
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verify_implicit_shutdown () {
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r=$1 &&
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k=0 &&
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while test "$k" -lt $IMPLICIT_TIMEOUT
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do
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git -C $r fsmonitor--daemon status || return 0
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sleep 1
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k=$(( $k + 1 ))
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done &&
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return 1
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}
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test_expect_success 'implicit daemon stop (delete .git)' '
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test_when_finished "stop_daemon_delete_repo test_implicit_1" &&
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git init test_implicit_1 &&
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start_daemon -C test_implicit_1 &&
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# deleting the .git directory will implicitly stop the daemon.
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rm -rf test_implicit_1/.git &&
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# [1] Create an empty .git directory so that the following Git
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# command will stay relative to the `-C` directory.
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#
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# Without this, the Git command will override the requested
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# -C argument and crawl out to the containing Git source tree.
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# This would make the test result dependent upon whether we
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# were using fsmonitor on our development worktree.
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#
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mkdir test_implicit_1/.git &&
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verify_implicit_shutdown test_implicit_1
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'
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test_expect_success 'implicit daemon stop (rename .git)' '
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test_when_finished "stop_daemon_delete_repo test_implicit_2" &&
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git init test_implicit_2 &&
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start_daemon -C test_implicit_2 &&
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# renaming the .git directory will implicitly stop the daemon.
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mv test_implicit_2/.git test_implicit_2/.xxx &&
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# See [1] above.
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#
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mkdir test_implicit_2/.git &&
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verify_implicit_shutdown test_implicit_2
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'
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# File systems on Windows may or may not have shortnames.
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# This is a volume-specific setting on modern systems.
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# "C:/" drives are required to have them enabled. Other
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# hard drives default to disabled.
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#
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# This is a crude test to see if shortnames are enabled
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# on the volume containing the test directory. It is
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# crude, but it does not require elevation like `fsutil`.
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#
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test_lazy_prereq SHORTNAMES '
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mkdir .foo &&
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test -d "FOO~1"
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'
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# Here we assume that the shortname of ".git" is "GIT~1".
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test_expect_success MINGW,SHORTNAMES 'implicit daemon stop (rename GIT~1)' '
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test_when_finished "stop_daemon_delete_repo test_implicit_1s" &&
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git init test_implicit_1s &&
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start_daemon -C test_implicit_1s &&
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# renaming the .git directory will implicitly stop the daemon.
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# this moves {.git, GIT~1} to {.gitxyz, GITXYZ~1}.
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# the rename-from FS Event will contain the shortname.
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#
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mv test_implicit_1s/GIT~1 test_implicit_1s/.gitxyz &&
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# See [1] above.
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# this moves {.gitxyz, GITXYZ~1} to {.git, GIT~1}.
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mv test_implicit_1s/.gitxyz test_implicit_1s/.git &&
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verify_implicit_shutdown test_implicit_1s
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'
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# Here we first create a file with LONGNAME of "GIT~1" before
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# we create the repo. This will cause the shortname of ".git"
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# to be "GIT~2".
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test_expect_success MINGW,SHORTNAMES 'implicit daemon stop (rename GIT~2)' '
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test_when_finished "stop_daemon_delete_repo test_implicit_1s2" &&
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mkdir test_implicit_1s2 &&
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echo HELLO >test_implicit_1s2/GIT~1 &&
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git init test_implicit_1s2 &&
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test_path_is_file test_implicit_1s2/GIT~1 &&
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test_path_is_dir test_implicit_1s2/GIT~2 &&
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start_daemon -C test_implicit_1s2 &&
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# renaming the .git directory will implicitly stop the daemon.
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# the rename-from FS Event will contain the shortname.
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#
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mv test_implicit_1s2/GIT~2 test_implicit_1s2/.gitxyz &&
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# See [1] above.
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mv test_implicit_1s2/.gitxyz test_implicit_1s2/.git &&
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verify_implicit_shutdown test_implicit_1s2
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'
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test_expect_success 'cannot start multiple daemons' '
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test_when_finished "stop_daemon_delete_repo test_multiple" &&
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git init test_multiple &&
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start_daemon -C test_multiple &&
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test_must_fail git -C test_multiple fsmonitor--daemon start 2>actual &&
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grep "fsmonitor--daemon is already running" actual &&
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git -C test_multiple fsmonitor--daemon stop &&
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test_must_fail git -C test_multiple fsmonitor--daemon status
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'
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# These tests use the main repo in the trash directory
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test_expect_success 'setup' '
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>tracked &&
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>modified &&
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>delete &&
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>rename &&
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mkdir dir1 &&
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>dir1/tracked &&
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>dir1/modified &&
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>dir1/delete &&
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>dir1/rename &&
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mkdir dir2 &&
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>dir2/tracked &&
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>dir2/modified &&
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>dir2/delete &&
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>dir2/rename &&
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mkdir dirtorename &&
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>dirtorename/a &&
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>dirtorename/b &&
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cat >.gitignore <<-\EOF &&
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.gitignore
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expect*
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actual*
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flush*
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trace*
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EOF
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mkdir -p T1/T2/T3/T4 &&
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echo 1 >T1/F1 &&
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echo 1 >T1/T2/F1 &&
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echo 1 >T1/T2/T3/F1 &&
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echo 1 >T1/T2/T3/T4/F1 &&
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echo 2 >T1/F2 &&
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echo 2 >T1/T2/F2 &&
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echo 2 >T1/T2/T3/F2 &&
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echo 2 >T1/T2/T3/T4/F2 &&
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git -c core.fsmonitor=false add . &&
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test_tick &&
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git -c core.fsmonitor=false commit -m initial &&
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git config core.fsmonitor true
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'
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# The test already explicitly stopped (or tried to stop) the daemon.
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# This is here in case something else fails first.
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#
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redundant_stop_daemon () {
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test_might_fail git fsmonitor--daemon stop
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}
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test_expect_success 'update-index implicitly starts daemon' '
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test_when_finished redundant_stop_daemon &&
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test_must_fail git fsmonitor--daemon status &&
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GIT_TRACE2_EVENT="$PWD/.git/trace_implicit_1" \
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git update-index --fsmonitor &&
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git fsmonitor--daemon status &&
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test_might_fail git fsmonitor--daemon stop &&
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# Confirm that the trace2 log contains a record of the
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# daemon starting.
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test_subcommand git fsmonitor--daemon start <.git/trace_implicit_1
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'
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test_expect_success 'status implicitly starts daemon' '
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test_when_finished redundant_stop_daemon &&
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test_must_fail git fsmonitor--daemon status &&
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GIT_TRACE2_EVENT="$PWD/.git/trace_implicit_2" \
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git status >actual &&
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git fsmonitor--daemon status &&
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test_might_fail git fsmonitor--daemon stop &&
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# Confirm that the trace2 log contains a record of the
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# daemon starting.
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test_subcommand git fsmonitor--daemon start <.git/trace_implicit_2
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'
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edit_files () {
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echo 1 >modified &&
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echo 2 >dir1/modified &&
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echo 3 >dir2/modified &&
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>dir1/untracked
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}
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delete_files () {
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rm -f delete &&
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rm -f dir1/delete &&
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rm -f dir2/delete
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}
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create_files () {
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echo 1 >new &&
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echo 2 >dir1/new &&
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echo 3 >dir2/new
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}
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rename_files () {
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mv rename renamed &&
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mv dir1/rename dir1/renamed &&
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mv dir2/rename dir2/renamed
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}
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file_to_directory () {
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rm -f delete &&
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mkdir delete &&
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echo 1 >delete/new
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}
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directory_to_file () {
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rm -rf dir1 &&
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echo 1 >dir1
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}
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move_directory_contents_deeper() {
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mkdir T1/_new_ &&
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mv T1/[A-Z]* T1/_new_
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}
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move_directory_up() {
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mv T1/T2/T3 T1
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}
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move_directory() {
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mv T1/T2/T3 T1/T2/NewT3
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}
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# The next few test cases confirm that our fsmonitor daemon sees each type
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# of OS filesystem notification that we care about. At this layer we just
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# ensure we are getting the OS notifications and do not try to confirm what
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# is reported by `git status`.
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#
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# We run a simple query after modifying the filesystem just to introduce
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# a bit of a delay so that the trace logging from the daemon has time to
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# get flushed to disk.
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#
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# We `reset` and `clean` at the bottom of each test (and before stopping the
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# daemon) because these commands might implicitly restart the daemon.
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clean_up_repo_and_stop_daemon () {
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git reset --hard HEAD &&
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git clean -fd &&
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test_might_fail git fsmonitor--daemon stop &&
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rm -f .git/trace
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}
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test_expect_success 'edit some files' '
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test_when_finished clean_up_repo_and_stop_daemon &&
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start_daemon --tf "$PWD/.git/trace" &&
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edit_files &&
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test-tool fsmonitor-client query --token 0 &&
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grep "^event: dir1/modified$" .git/trace &&
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grep "^event: dir2/modified$" .git/trace &&
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grep "^event: modified$" .git/trace &&
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grep "^event: dir1/untracked$" .git/trace
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'
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test_expect_success 'create some files' '
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test_when_finished clean_up_repo_and_stop_daemon &&
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start_daemon --tf "$PWD/.git/trace" &&
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create_files &&
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test-tool fsmonitor-client query --token 0 &&
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grep "^event: dir1/new$" .git/trace &&
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grep "^event: dir2/new$" .git/trace &&
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grep "^event: new$" .git/trace
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'
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test_expect_success 'delete some files' '
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test_when_finished clean_up_repo_and_stop_daemon &&
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start_daemon --tf "$PWD/.git/trace" &&
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delete_files &&
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test-tool fsmonitor-client query --token 0 &&
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grep "^event: dir1/delete$" .git/trace &&
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grep "^event: dir2/delete$" .git/trace &&
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grep "^event: delete$" .git/trace
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'
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test_expect_success 'rename some files' '
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test_when_finished clean_up_repo_and_stop_daemon &&
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start_daemon --tf "$PWD/.git/trace" &&
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rename_files &&
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test-tool fsmonitor-client query --token 0 &&
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grep "^event: dir1/rename$" .git/trace &&
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grep "^event: dir2/rename$" .git/trace &&
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grep "^event: rename$" .git/trace &&
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grep "^event: dir1/renamed$" .git/trace &&
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grep "^event: dir2/renamed$" .git/trace &&
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grep "^event: renamed$" .git/trace
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'
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test_expect_success 'rename directory' '
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test_when_finished clean_up_repo_and_stop_daemon &&
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start_daemon --tf "$PWD/.git/trace" &&
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mv dirtorename dirrenamed &&
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test-tool fsmonitor-client query --token 0 &&
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grep "^event: dirtorename/*$" .git/trace &&
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grep "^event: dirrenamed/*$" .git/trace
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'
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test_expect_success 'file changes to directory' '
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test_when_finished clean_up_repo_and_stop_daemon &&
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start_daemon --tf "$PWD/.git/trace" &&
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file_to_directory &&
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test-tool fsmonitor-client query --token 0 &&
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grep "^event: delete$" .git/trace &&
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grep "^event: delete/new$" .git/trace
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'
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test_expect_success 'directory changes to a file' '
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test_when_finished clean_up_repo_and_stop_daemon &&
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start_daemon --tf "$PWD/.git/trace" &&
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directory_to_file &&
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test-tool fsmonitor-client query --token 0 &&
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grep "^event: dir1$" .git/trace
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'
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# The next few test cases exercise the token-resync code. When filesystem
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# drops events (because of filesystem velocity or because the daemon isn't
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# polling fast enough), we need to discard the cached data (relative to the
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# current token) and start collecting events under a new token.
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#
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# the 'test-tool fsmonitor-client flush' command can be used to send a
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# "flush" message to a running daemon and ask it to do a flush/resync.
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test_expect_success 'flush cached data' '
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test_when_finished "stop_daemon_delete_repo test_flush" &&
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git init test_flush &&
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start_daemon -C test_flush --tf "$PWD/.git/trace_daemon" --tk true &&
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# The daemon should have an initial token with no events in _0 and
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# then a few (probably platform-specific number of) events in _1.
|
|
# These should both have the same <token_id>.
|
|
|
|
test-tool -C test_flush fsmonitor-client query --token "builtin:test_00000001:0" >actual_0 &&
|
|
nul_to_q <actual_0 >actual_q0 &&
|
|
|
|
>test_flush/file_1 &&
|
|
>test_flush/file_2 &&
|
|
|
|
test-tool -C test_flush fsmonitor-client query --token "builtin:test_00000001:0" >actual_1 &&
|
|
nul_to_q <actual_1 >actual_q1 &&
|
|
|
|
grep "file_1" actual_q1 &&
|
|
|
|
# Force a flush. This will change the <token_id>, reset the <seq_nr>, and
|
|
# flush the file data. Then create some events and ensure that the file
|
|
# again appears in the cache. It should have the new <token_id>.
|
|
|
|
test-tool -C test_flush fsmonitor-client flush >flush_0 &&
|
|
nul_to_q <flush_0 >flush_q0 &&
|
|
grep "^builtin:test_00000002:0Q/Q$" flush_q0 &&
|
|
|
|
test-tool -C test_flush fsmonitor-client query --token "builtin:test_00000002:0" >actual_2 &&
|
|
nul_to_q <actual_2 >actual_q2 &&
|
|
|
|
grep "^builtin:test_00000002:0Q$" actual_q2 &&
|
|
|
|
>test_flush/file_3 &&
|
|
|
|
test-tool -C test_flush fsmonitor-client query --token "builtin:test_00000002:0" >actual_3 &&
|
|
nul_to_q <actual_3 >actual_q3 &&
|
|
|
|
grep "file_3" actual_q3
|
|
'
|
|
|
|
# The next few test cases create repos where the .git directory is NOT
|
|
# inside the one of the working directory. That is, where .git is a file
|
|
# that points to a directory elsewhere. This happens for submodules and
|
|
# non-primary worktrees.
|
|
|
|
test_expect_success 'setup worktree base' '
|
|
git init wt-base &&
|
|
echo 1 >wt-base/file1 &&
|
|
git -C wt-base add file1 &&
|
|
git -C wt-base commit -m "c1"
|
|
'
|
|
|
|
test_expect_success 'worktree with .git file' '
|
|
git -C wt-base worktree add ../wt-secondary &&
|
|
|
|
start_daemon -C wt-secondary \
|
|
--tf "$PWD/trace_wt_secondary" \
|
|
--t2 "$PWD/trace2_wt_secondary" &&
|
|
|
|
git -C wt-secondary fsmonitor--daemon stop &&
|
|
test_must_fail git -C wt-secondary fsmonitor--daemon status
|
|
'
|
|
|
|
# NEEDSWORK: Repeat one of the "edit" tests on wt-secondary and
|
|
# confirm that we get the same events and behavior -- that is, that
|
|
# fsmonitor--daemon correctly watches BOTH the working directory and
|
|
# the external GITDIR directory and behaves the same as when ".git"
|
|
# is a directory inside the working directory.
|
|
|
|
test_expect_success 'cleanup worktrees' '
|
|
stop_daemon_delete_repo wt-secondary &&
|
|
stop_daemon_delete_repo wt-base
|
|
'
|
|
|
|
# The next few tests perform arbitrary/contrived file operations and
|
|
# confirm that status is correct. That is, that the data (or lack of
|
|
# data) from fsmonitor doesn't cause incorrect results. And doesn't
|
|
# cause incorrect results when the untracked-cache is enabled.
|
|
|
|
test_lazy_prereq UNTRACKED_CACHE '
|
|
git update-index --test-untracked-cache
|
|
'
|
|
|
|
test_expect_success 'Matrix: setup for untracked-cache,fsmonitor matrix' '
|
|
test_unconfig core.fsmonitor &&
|
|
git update-index --no-fsmonitor &&
|
|
test_might_fail git fsmonitor--daemon stop
|
|
'
|
|
|
|
matrix_clean_up_repo () {
|
|
git reset --hard HEAD &&
|
|
git clean -fd
|
|
}
|
|
|
|
matrix_try () {
|
|
uc=$1 &&
|
|
fsm=$2 &&
|
|
fn=$3 &&
|
|
|
|
if test $uc = true && test $fsm = false
|
|
then
|
|
# The untracked-cache is buggy when FSMonitor is
|
|
# DISABLED, so skip the tests for this matrix
|
|
# combination.
|
|
#
|
|
# We've observed random, occasional test failures on
|
|
# Windows and MacOS when the UC is turned on and FSM
|
|
# is turned off. These are rare, but they do happen
|
|
# indicating that it is probably a race condition within
|
|
# the untracked cache itself.
|
|
#
|
|
# It usually happens when a test does F/D trickery and
|
|
# then the NEXT test fails because of extra status
|
|
# output from stale UC data from the previous test.
|
|
#
|
|
# Since FSMonitor is not involved in the error, skip
|
|
# the tests for this matrix combination.
|
|
#
|
|
return 0
|
|
fi &&
|
|
|
|
test_expect_success "Matrix[uc:$uc][fsm:$fsm] $fn" '
|
|
matrix_clean_up_repo &&
|
|
$fn &&
|
|
if test $uc = false && test $fsm = false
|
|
then
|
|
git status --porcelain=v1 >.git/expect.$fn
|
|
else
|
|
git status --porcelain=v1 >.git/actual.$fn &&
|
|
test_cmp .git/expect.$fn .git/actual.$fn
|
|
fi
|
|
'
|
|
}
|
|
|
|
uc_values="false"
|
|
test_have_prereq UNTRACKED_CACHE && uc_values="false true"
|
|
for uc_val in $uc_values
|
|
do
|
|
if test $uc_val = false
|
|
then
|
|
test_expect_success "Matrix[uc:$uc_val] disable untracked cache" '
|
|
git config core.untrackedcache false &&
|
|
git update-index --no-untracked-cache
|
|
'
|
|
else
|
|
test_expect_success "Matrix[uc:$uc_val] enable untracked cache" '
|
|
git config core.untrackedcache true &&
|
|
git update-index --untracked-cache
|
|
'
|
|
fi
|
|
|
|
fsm_values="false true"
|
|
for fsm_val in $fsm_values
|
|
do
|
|
if test $fsm_val = false
|
|
then
|
|
test_expect_success "Matrix[uc:$uc_val][fsm:$fsm_val] disable fsmonitor" '
|
|
test_unconfig core.fsmonitor &&
|
|
git update-index --no-fsmonitor &&
|
|
test_might_fail git fsmonitor--daemon stop
|
|
'
|
|
else
|
|
test_expect_success "Matrix[uc:$uc_val][fsm:$fsm_val] enable fsmonitor" '
|
|
git config core.fsmonitor true &&
|
|
git fsmonitor--daemon start &&
|
|
git update-index --fsmonitor
|
|
'
|
|
fi
|
|
|
|
matrix_try $uc_val $fsm_val edit_files
|
|
matrix_try $uc_val $fsm_val delete_files
|
|
matrix_try $uc_val $fsm_val create_files
|
|
matrix_try $uc_val $fsm_val rename_files
|
|
matrix_try $uc_val $fsm_val file_to_directory
|
|
matrix_try $uc_val $fsm_val directory_to_file
|
|
|
|
matrix_try $uc_val $fsm_val move_directory_contents_deeper
|
|
matrix_try $uc_val $fsm_val move_directory_up
|
|
matrix_try $uc_val $fsm_val move_directory
|
|
|
|
if test $fsm_val = true
|
|
then
|
|
test_expect_success "Matrix[uc:$uc_val][fsm:$fsm_val] disable fsmonitor at end" '
|
|
test_unconfig core.fsmonitor &&
|
|
git update-index --no-fsmonitor &&
|
|
test_might_fail git fsmonitor--daemon stop
|
|
'
|
|
fi
|
|
done
|
|
done
|
|
|
|
# Test Unicode UTF-8 characters in the pathname of the working
|
|
# directory root. Use of "*A()" routines rather than "*W()" routines
|
|
# on Windows can sometimes lead to odd failures.
|
|
#
|
|
u1=$(printf "u_c3_a6__\xC3\xA6")
|
|
u2=$(printf "u_e2_99_ab__\xE2\x99\xAB")
|
|
u_values="$u1 $u2"
|
|
for u in $u_values
|
|
do
|
|
test_expect_success "unicode in repo root path: $u" '
|
|
test_when_finished "stop_daemon_delete_repo $u" &&
|
|
|
|
git init "$u" &&
|
|
echo 1 >"$u"/file1 &&
|
|
git -C "$u" add file1 &&
|
|
git -C "$u" config core.fsmonitor true &&
|
|
|
|
start_daemon -C "$u" &&
|
|
git -C "$u" status >actual &&
|
|
grep "new file: file1" actual
|
|
'
|
|
done
|
|
|
|
# Test fsmonitor interaction with submodules.
|
|
#
|
|
# If we start the daemon in the super, it will see FS events for
|
|
# everything in the working directory cone and this includes any
|
|
# files/directories contained *within* the submodules.
|
|
#
|
|
# A `git status` at top level will get events for items within the
|
|
# submodule and ignore them, since they aren't named in the index
|
|
# of the super repo. This makes the fsmonitor response a little
|
|
# noisy, but it doesn't alter the correctness of the state of the
|
|
# super-proper.
|
|
#
|
|
# When we have submodules, `git status` normally does a recursive
|
|
# status on each of the submodules and adds a summary row for any
|
|
# dirty submodules. (See the "S..." bits in porcelain V2 output.)
|
|
#
|
|
# It is therefore important that the top level status not be tricked
|
|
# by the FSMonitor response to skip those recursive calls. That is,
|
|
# even if FSMonitor says that the mtime of the submodule directory
|
|
# hasn't changed and it could be implicitly marked valid, we must
|
|
# not take that shortcut. We need to force the recusion into the
|
|
# submodule so that we get a summary of the status *within* the
|
|
# submodule.
|
|
|
|
create_super () {
|
|
super="$1" &&
|
|
|
|
git init "$super" &&
|
|
echo x >"$super/file_1" &&
|
|
echo y >"$super/file_2" &&
|
|
echo z >"$super/file_3" &&
|
|
mkdir "$super/dir_1" &&
|
|
echo a >"$super/dir_1/file_11" &&
|
|
echo b >"$super/dir_1/file_12" &&
|
|
mkdir "$super/dir_1/dir_2" &&
|
|
echo a >"$super/dir_1/dir_2/file_21" &&
|
|
echo b >"$super/dir_1/dir_2/file_22" &&
|
|
git -C "$super" add . &&
|
|
git -C "$super" commit -m "initial $super commit"
|
|
}
|
|
|
|
create_sub () {
|
|
sub="$1" &&
|
|
|
|
git init "$sub" &&
|
|
echo x >"$sub/file_x" &&
|
|
echo y >"$sub/file_y" &&
|
|
echo z >"$sub/file_z" &&
|
|
mkdir "$sub/dir_x" &&
|
|
echo a >"$sub/dir_x/file_a" &&
|
|
echo b >"$sub/dir_x/file_b" &&
|
|
mkdir "$sub/dir_x/dir_y" &&
|
|
echo a >"$sub/dir_x/dir_y/file_a" &&
|
|
echo b >"$sub/dir_x/dir_y/file_b" &&
|
|
git -C "$sub" add . &&
|
|
git -C "$sub" commit -m "initial $sub commit"
|
|
}
|
|
|
|
my_match_and_clean () {
|
|
git -C super --no-optional-locks status --porcelain=v2 >actual.with &&
|
|
git -C super --no-optional-locks -c core.fsmonitor=false \
|
|
status --porcelain=v2 >actual.without &&
|
|
test_cmp actual.with actual.without &&
|
|
|
|
git -C super --no-optional-locks diff-index --name-status HEAD >actual.with &&
|
|
git -C super --no-optional-locks -c core.fsmonitor=false \
|
|
diff-index --name-status HEAD >actual.without &&
|
|
test_cmp actual.with actual.without &&
|
|
|
|
git -C super/dir_1/dir_2/sub reset --hard &&
|
|
git -C super/dir_1/dir_2/sub clean -d -f
|
|
}
|
|
|
|
test_expect_success 'submodule setup' '
|
|
git config --global protocol.file.allow always
|
|
'
|
|
|
|
test_expect_success 'submodule always visited' '
|
|
test_when_finished "git -C super fsmonitor--daemon stop; \
|
|
rm -rf super; \
|
|
rm -rf sub" &&
|
|
|
|
create_super super &&
|
|
create_sub sub &&
|
|
|
|
git -C super submodule add ../sub ./dir_1/dir_2/sub &&
|
|
git -C super commit -m "add sub" &&
|
|
|
|
start_daemon -C super &&
|
|
git -C super config core.fsmonitor true &&
|
|
git -C super update-index --fsmonitor &&
|
|
git -C super status &&
|
|
|
|
# Now run pairs of commands w/ and w/o FSMonitor while we make
|
|
# some dirt in the submodule and confirm matching output.
|
|
|
|
# Completely clean status.
|
|
my_match_and_clean &&
|
|
|
|
# .M S..U
|
|
echo z >super/dir_1/dir_2/sub/dir_x/dir_y/foobar_u &&
|
|
my_match_and_clean &&
|
|
|
|
# .M S.M.
|
|
echo z >super/dir_1/dir_2/sub/dir_x/dir_y/foobar_m &&
|
|
git -C super/dir_1/dir_2/sub add . &&
|
|
my_match_and_clean &&
|
|
|
|
# .M S.M.
|
|
echo z >>super/dir_1/dir_2/sub/dir_x/dir_y/file_a &&
|
|
git -C super/dir_1/dir_2/sub add . &&
|
|
my_match_and_clean &&
|
|
|
|
# .M SC..
|
|
echo z >>super/dir_1/dir_2/sub/dir_x/dir_y/file_a &&
|
|
git -C super/dir_1/dir_2/sub add . &&
|
|
git -C super/dir_1/dir_2/sub commit -m "SC.." &&
|
|
my_match_and_clean
|
|
'
|
|
|
|
# If a submodule has a `sub/.git/` directory (rather than a file
|
|
# pointing to the super's `.git/modules/sub`) and `core.fsmonitor`
|
|
# turned on in the submodule and the daemon is not yet started in
|
|
# the submodule, and someone does a `git submodule absorbgitdirs`
|
|
# in the super, Git will recursively invoke `git submodule--helper`
|
|
# to do the work and this may try to read the index. This will
|
|
# try to start the daemon in the submodule.
|
|
|
|
test_expect_success "submodule absorbgitdirs implicitly starts daemon" '
|
|
test_when_finished "rm -rf super; \
|
|
rm -rf sub; \
|
|
rm super-sub.trace" &&
|
|
|
|
create_super super &&
|
|
create_sub sub &&
|
|
|
|
# Copy rather than submodule add so that we get a .git dir.
|
|
cp -R ./sub ./super/dir_1/dir_2/sub &&
|
|
|
|
git -C super/dir_1/dir_2/sub config core.fsmonitor true &&
|
|
|
|
git -C super submodule add ../sub ./dir_1/dir_2/sub &&
|
|
git -C super commit -m "add sub" &&
|
|
|
|
test_path_is_dir super/dir_1/dir_2/sub/.git &&
|
|
|
|
cwd="$(cd super && pwd)" &&
|
|
cat >expect <<-EOF &&
|
|
Migrating git directory of '\''dir_1/dir_2/sub'\'' from
|
|
'\''$cwd/dir_1/dir_2/sub/.git'\'' to
|
|
'\''$cwd/.git/modules/dir_1/dir_2/sub'\''
|
|
EOF
|
|
GIT_TRACE2_EVENT="$PWD/super-sub.trace" \
|
|
git -C super submodule absorbgitdirs >out 2>actual &&
|
|
test_cmp expect actual &&
|
|
test_must_be_empty out &&
|
|
|
|
# Confirm that the trace2 log contains a record of the
|
|
# daemon starting.
|
|
test_subcommand git fsmonitor--daemon start <super-sub.trace
|
|
'
|
|
|
|
# On a case-insensitive file system, confirm that the daemon
|
|
# notices when the .git directory is moved/renamed/deleted
|
|
# regardless of how it is spelled in the FS event.
|
|
# That is, does the FS event receive the spelling of the
|
|
# operation or does it receive the spelling preserved with
|
|
# the file/directory.
|
|
#
|
|
test_expect_success CASE_INSENSITIVE_FS 'case insensitive+preserving' '
|
|
test_when_finished "stop_daemon_delete_repo test_insensitive" &&
|
|
|
|
git init test_insensitive &&
|
|
|
|
start_daemon -C test_insensitive --tf "$PWD/insensitive.trace" &&
|
|
|
|
mkdir -p test_insensitive/abc/def &&
|
|
echo xyz >test_insensitive/ABC/DEF/xyz &&
|
|
|
|
test_path_is_dir test_insensitive/.git &&
|
|
test_path_is_dir test_insensitive/.GIT &&
|
|
|
|
# Rename .git using an alternate spelling to verify that
|
|
# the daemon detects it and automatically shuts down.
|
|
mv test_insensitive/.GIT test_insensitive/.FOO &&
|
|
|
|
# See [1] above.
|
|
mv test_insensitive/.FOO test_insensitive/.git &&
|
|
|
|
verify_implicit_shutdown test_insensitive &&
|
|
|
|
# Verify that events were reported using on-disk spellings of the
|
|
# directories and files that we touched. We may or may not get a
|
|
# trailing slash on modified directories.
|
|
#
|
|
grep -E "^event: abc/?$" ./insensitive.trace &&
|
|
grep -E "^event: abc/def/?$" ./insensitive.trace &&
|
|
grep -E "^event: abc/def/xyz$" ./insensitive.trace
|
|
'
|
|
|
|
# The variable "unicode_debug" is defined in the following library
|
|
# script to dump information about how the (OS, FS) handles Unicode
|
|
# composition. Uncomment the following line if you want to enable it.
|
|
#
|
|
# unicode_debug=true
|
|
|
|
. "$TEST_DIRECTORY/lib-unicode-nfc-nfd.sh"
|
|
|
|
# See if the OS or filesystem does NFC/NFD aliasing/munging.
|
|
#
|
|
# The daemon should err on the side of caution and send BOTH the
|
|
# NFC and NFD forms. It does not know the original spelling of
|
|
# the pathname (how the user thinks it should be spelled), so
|
|
# emit both and let the client decide (when necessary). This is
|
|
# similar to "core.precomposeUnicode".
|
|
#
|
|
test_expect_success !UNICODE_COMPOSITION_SENSITIVE 'Unicode nfc/nfd' '
|
|
test_when_finished "stop_daemon_delete_repo test_unicode" &&
|
|
|
|
git init test_unicode &&
|
|
|
|
start_daemon -C test_unicode --tf "$PWD/unicode.trace" &&
|
|
|
|
# Create a directory using an NFC spelling.
|
|
#
|
|
mkdir test_unicode/nfc &&
|
|
mkdir test_unicode/nfc/c_${utf8_nfc} &&
|
|
|
|
# Create a directory using an NFD spelling.
|
|
#
|
|
mkdir test_unicode/nfd &&
|
|
mkdir test_unicode/nfd/d_${utf8_nfd} &&
|
|
|
|
test-tool -C test_unicode fsmonitor-client query --token 0 &&
|
|
|
|
if test_have_prereq UNICODE_NFC_PRESERVED
|
|
then
|
|
# We should have seen NFC event from OS.
|
|
# We should not have synthesized an NFD event.
|
|
grep -E "^event: nfc/c_${utf8_nfc}/?$" ./unicode.trace &&
|
|
grep -E -v "^event: nfc/c_${utf8_nfd}/?$" ./unicode.trace
|
|
else
|
|
# We should have seen NFD event from OS.
|
|
# We should have synthesized an NFC event.
|
|
grep -E "^event: nfc/c_${utf8_nfd}/?$" ./unicode.trace &&
|
|
grep -E "^event: nfc/c_${utf8_nfc}/?$" ./unicode.trace
|
|
fi &&
|
|
|
|
# We assume UNICODE_NFD_PRESERVED.
|
|
# We should have seen explicit NFD from OS.
|
|
# We should have synthesized an NFC event.
|
|
grep -E "^event: nfd/d_${utf8_nfd}/?$" ./unicode.trace &&
|
|
grep -E "^event: nfd/d_${utf8_nfc}/?$" ./unicode.trace
|
|
'
|
|
|
|
test_expect_success 'split-index and FSMonitor work well together' '
|
|
git init split-index &&
|
|
test_when_finished "git -C \"$PWD/split-index\" \
|
|
fsmonitor--daemon stop" &&
|
|
(
|
|
cd split-index &&
|
|
git config core.splitIndex true &&
|
|
# force split-index in most cases
|
|
git config splitIndex.maxPercentChange 99 &&
|
|
git config core.fsmonitor true &&
|
|
|
|
# Create the following commit topology:
|
|
#
|
|
# * merge three
|
|
# |\
|
|
# | * three
|
|
# * | merge two
|
|
# |\|
|
|
# | * two
|
|
# * | one
|
|
# |/
|
|
# * 5a5efd7 initial
|
|
|
|
test_commit initial &&
|
|
test_commit two &&
|
|
test_commit three &&
|
|
git reset --hard initial &&
|
|
test_commit one &&
|
|
test_tick &&
|
|
git merge two &&
|
|
test_tick &&
|
|
git merge three &&
|
|
|
|
git rebase --force-rebase -r one
|
|
)
|
|
'
|
|
|
|
# The FSMonitor daemon reports the OBSERVED pathname of modified files
|
|
# and thus contains the OBSERVED spelling on case-insensitive file
|
|
# systems. The daemon does not (and should not) load the .git/index
|
|
# file and therefore does not know the expected case-spelling. Since
|
|
# it is possible for the user to create files/subdirectories with the
|
|
# incorrect case, a modified file event for a tracked will not have
|
|
# the EXPECTED case. This can cause `index_name_pos()` to incorrectly
|
|
# report that the file is untracked. This causes the client to fail to
|
|
# mark the file as possibly dirty (keeping the CE_FSMONITOR_VALID bit
|
|
# set) so that `git status` will avoid inspecting it and thus not
|
|
# present in the status output.
|
|
#
|
|
# The setup is a little contrived.
|
|
#
|
|
test_expect_success CASE_INSENSITIVE_FS 'fsmonitor subdir case wrong on disk' '
|
|
test_when_finished "stop_daemon_delete_repo subdir_case_wrong" &&
|
|
|
|
git init subdir_case_wrong &&
|
|
(
|
|
cd subdir_case_wrong &&
|
|
echo x >AAA &&
|
|
echo x >BBB &&
|
|
|
|
mkdir dir1 &&
|
|
echo x >dir1/file1 &&
|
|
mkdir dir1/dir2 &&
|
|
echo x >dir1/dir2/file2 &&
|
|
mkdir dir1/dir2/dir3 &&
|
|
echo x >dir1/dir2/dir3/file3 &&
|
|
|
|
echo x >yyy &&
|
|
echo x >zzz &&
|
|
git add . &&
|
|
git commit -m "data" &&
|
|
|
|
# This will cause "dir1/" and everything under it
|
|
# to be deleted.
|
|
git sparse-checkout set --cone --sparse-index &&
|
|
|
|
# Create dir2 with the wrong case and then let Git
|
|
# repopulate dir3 -- it will not correct the spelling
|
|
# of dir2.
|
|
mkdir dir1 &&
|
|
mkdir dir1/DIR2 &&
|
|
git sparse-checkout add dir1/dir2/dir3
|
|
) &&
|
|
|
|
start_daemon -C subdir_case_wrong --tf "$PWD/subdir_case_wrong.trace" &&
|
|
|
|
# Enable FSMonitor in the client. Run enough commands for
|
|
# the .git/index to sync up with the daemon with everything
|
|
# marked clean.
|
|
git -C subdir_case_wrong config core.fsmonitor true &&
|
|
git -C subdir_case_wrong update-index --fsmonitor &&
|
|
git -C subdir_case_wrong status &&
|
|
|
|
# Make some files dirty so that FSMonitor gets FSEvents for
|
|
# each of them.
|
|
echo xx >>subdir_case_wrong/AAA &&
|
|
echo xx >>subdir_case_wrong/dir1/DIR2/dir3/file3 &&
|
|
echo xx >>subdir_case_wrong/zzz &&
|
|
|
|
GIT_TRACE_FSMONITOR="$PWD/subdir_case_wrong.log" \
|
|
git -C subdir_case_wrong --no-optional-locks status --short \
|
|
>"$PWD/subdir_case_wrong.out" &&
|
|
|
|
# "git status" should have gotten file events for each of
|
|
# the 3 files.
|
|
#
|
|
# "dir2" should be in the observed case on disk.
|
|
grep "fsmonitor_refresh_callback" \
|
|
<"$PWD/subdir_case_wrong.log" \
|
|
>"$PWD/subdir_case_wrong.log1" &&
|
|
|
|
grep -q "AAA.*pos 0" "$PWD/subdir_case_wrong.log1" &&
|
|
grep -q "zzz.*pos 6" "$PWD/subdir_case_wrong.log1" &&
|
|
|
|
grep -q "dir1/DIR2/dir3/file3.*pos -3" "$PWD/subdir_case_wrong.log1" &&
|
|
|
|
# Verify that we get a mapping event to correct the case.
|
|
grep -q "MAP:.*dir1/DIR2/dir3/file3.*dir1/dir2/dir3/file3" \
|
|
"$PWD/subdir_case_wrong.log1" &&
|
|
|
|
# The refresh-callbacks should have caused "git status" to clear
|
|
# the CE_FSMONITOR_VALID bit on each of those files and caused
|
|
# the worktree scan to visit them and mark them as modified.
|
|
grep -q " M AAA" "$PWD/subdir_case_wrong.out" &&
|
|
grep -q " M zzz" "$PWD/subdir_case_wrong.out" &&
|
|
grep -q " M dir1/dir2/dir3/file3" "$PWD/subdir_case_wrong.out"
|
|
'
|
|
|
|
test_expect_success CASE_INSENSITIVE_FS 'fsmonitor file case wrong on disk' '
|
|
test_when_finished "stop_daemon_delete_repo file_case_wrong" &&
|
|
|
|
git init file_case_wrong &&
|
|
(
|
|
cd file_case_wrong &&
|
|
echo x >AAA &&
|
|
echo x >BBB &&
|
|
|
|
mkdir dir1 &&
|
|
mkdir dir1/dir2 &&
|
|
mkdir dir1/dir2/dir3 &&
|
|
echo x >dir1/dir2/dir3/FILE-3-B &&
|
|
echo x >dir1/dir2/dir3/XXXX-3-X &&
|
|
echo x >dir1/dir2/dir3/file-3-a &&
|
|
echo x >dir1/dir2/dir3/yyyy-3-y &&
|
|
mkdir dir1/dir2/dir4 &&
|
|
echo x >dir1/dir2/dir4/FILE-4-A &&
|
|
echo x >dir1/dir2/dir4/XXXX-4-X &&
|
|
echo x >dir1/dir2/dir4/file-4-b &&
|
|
echo x >dir1/dir2/dir4/yyyy-4-y &&
|
|
|
|
echo x >yyy &&
|
|
echo x >zzz &&
|
|
git add . &&
|
|
git commit -m "data"
|
|
) &&
|
|
|
|
start_daemon -C file_case_wrong --tf "$PWD/file_case_wrong.trace" &&
|
|
|
|
# Enable FSMonitor in the client. Run enough commands for
|
|
# the .git/index to sync up with the daemon with everything
|
|
# marked clean.
|
|
git -C file_case_wrong config core.fsmonitor true &&
|
|
git -C file_case_wrong update-index --fsmonitor &&
|
|
git -C file_case_wrong status &&
|
|
|
|
# Make some files dirty so that FSMonitor gets FSEvents for
|
|
# each of them.
|
|
echo xx >>file_case_wrong/AAA &&
|
|
echo xx >>file_case_wrong/zzz &&
|
|
|
|
# Rename some files so that FSMonitor sees a create and delete
|
|
# FSEvent for each. (A simple "mv foo FOO" is not portable
|
|
# between macOS and Windows. It works on both platforms, but makes
|
|
# the test messy, since (1) one platform updates "ctime" on the
|
|
# moved file and one does not and (2) it causes a directory event
|
|
# on one platform and not on the other which causes additional
|
|
# scanning during "git status" which causes a "H" vs "h" discrepancy
|
|
# in "git ls-files -f".) So old-school it and move it out of the
|
|
# way and copy it to the case-incorrect name so that we get fresh
|
|
# "ctime" and "mtime" values.
|
|
|
|
mv file_case_wrong/dir1/dir2/dir3/file-3-a file_case_wrong/dir1/dir2/dir3/ORIG &&
|
|
cp file_case_wrong/dir1/dir2/dir3/ORIG file_case_wrong/dir1/dir2/dir3/FILE-3-A &&
|
|
rm file_case_wrong/dir1/dir2/dir3/ORIG &&
|
|
mv file_case_wrong/dir1/dir2/dir4/FILE-4-A file_case_wrong/dir1/dir2/dir4/ORIG &&
|
|
cp file_case_wrong/dir1/dir2/dir4/ORIG file_case_wrong/dir1/dir2/dir4/file-4-a &&
|
|
rm file_case_wrong/dir1/dir2/dir4/ORIG &&
|
|
|
|
# Run status enough times to fully sync.
|
|
#
|
|
# The first instance should get the create and delete FSEvents
|
|
# for each pair. Status should update the index with a new FSM
|
|
# token (so the next invocation will not see data for these
|
|
# events).
|
|
|
|
GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try1.log" \
|
|
git -C file_case_wrong status --short \
|
|
>"$PWD/file_case_wrong-try1.out" &&
|
|
grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos -3" "$PWD/file_case_wrong-try1.log" &&
|
|
grep -q "fsmonitor_refresh_callback.*file-3-a.*pos 4" "$PWD/file_case_wrong-try1.log" &&
|
|
grep -q "fsmonitor_refresh_callback.*FILE-4-A.*pos 6" "$PWD/file_case_wrong-try1.log" &&
|
|
grep -q "fsmonitor_refresh_callback.*file-4-a.*pos -9" "$PWD/file_case_wrong-try1.log" &&
|
|
|
|
# FSM refresh will have invalidated the FSM bit and cause a regular
|
|
# (real) scan of these tracked files, so they should have "H" status.
|
|
# (We will not see a "h" status until the next refresh (on the next
|
|
# command).)
|
|
|
|
git -C file_case_wrong ls-files -f >"$PWD/file_case_wrong-lsf1.out" &&
|
|
grep -q "H dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-lsf1.out" &&
|
|
grep -q "H dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-lsf1.out" &&
|
|
|
|
|
|
# Try the status again. We assume that the above status command
|
|
# advanced the token so that the next one will not see those events.
|
|
|
|
GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try2.log" \
|
|
git -C file_case_wrong status --short \
|
|
>"$PWD/file_case_wrong-try2.out" &&
|
|
! grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos" "$PWD/file_case_wrong-try2.log" &&
|
|
! grep -q "fsmonitor_refresh_callback.*file-3-a.*pos" "$PWD/file_case_wrong-try2.log" &&
|
|
! grep -q "fsmonitor_refresh_callback.*FILE-4-A.*pos" "$PWD/file_case_wrong-try2.log" &&
|
|
! grep -q "fsmonitor_refresh_callback.*file-4-a.*pos" "$PWD/file_case_wrong-try2.log" &&
|
|
|
|
# FSM refresh saw nothing, so it will mark all files as valid,
|
|
# so they should now have "h" status.
|
|
|
|
git -C file_case_wrong ls-files -f >"$PWD/file_case_wrong-lsf2.out" &&
|
|
grep -q "h dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-lsf2.out" &&
|
|
grep -q "h dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-lsf2.out" &&
|
|
|
|
|
|
# We now have files with clean content, but with case-incorrect
|
|
# file names. Modify them to see if status properly reports
|
|
# them.
|
|
|
|
echo xx >>file_case_wrong/dir1/dir2/dir3/FILE-3-A &&
|
|
echo xx >>file_case_wrong/dir1/dir2/dir4/file-4-a &&
|
|
|
|
GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try3.log" \
|
|
git -C file_case_wrong --no-optional-locks status --short \
|
|
>"$PWD/file_case_wrong-try3.out" &&
|
|
|
|
# Verify that we get a mapping event to correct the case.
|
|
grep -q "fsmonitor_refresh_callback MAP:.*dir1/dir2/dir3/FILE-3-A.*dir1/dir2/dir3/file-3-a" \
|
|
"$PWD/file_case_wrong-try3.log" &&
|
|
grep -q "fsmonitor_refresh_callback MAP:.*dir1/dir2/dir4/file-4-a.*dir1/dir2/dir4/FILE-4-A" \
|
|
"$PWD/file_case_wrong-try3.log" &&
|
|
|
|
# FSEvents are in observed case.
|
|
grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos -3" "$PWD/file_case_wrong-try3.log" &&
|
|
grep -q "fsmonitor_refresh_callback.*file-4-a.*pos -9" "$PWD/file_case_wrong-try3.log" &&
|
|
|
|
# The refresh-callbacks should have caused "git status" to clear
|
|
# the CE_FSMONITOR_VALID bit on each of those files and caused
|
|
# the worktree scan to visit them and mark them as modified.
|
|
grep -q " M dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-try3.out" &&
|
|
grep -q " M dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-try3.out"
|
|
'
|
|
|
|
test_done
|