git/t/t2016-checkout-patch.sh

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#!/bin/sh
test_description='git checkout --patch'
TEST_PASSES_SANITIZE_LEAK=true
. ./lib-patch-mode.sh
test_expect_success 'setup' '
mkdir dir &&
echo parent > dir/foo &&
echo dummy > bar &&
git add bar dir/foo &&
git commit -m initial &&
test_tick &&
test_commit second dir/foo head &&
set_and_save_state bar bar_work bar_index &&
save_head
'
# note: bar sorts before dir/foo, so the first 'n' is always to skip 'bar'
test_expect_success 'saying "n" does nothing' '
set_and_save_state dir/foo work head &&
test_write_lines n n | git checkout -p &&
verify_saved_state bar &&
verify_saved_state dir/foo
'
test_expect_success 'git checkout -p' '
test_write_lines n y | git checkout -p &&
verify_saved_state bar &&
verify_state dir/foo head head
'
test_expect_success 'git checkout -p with staged changes' '
set_state dir/foo work index &&
test_write_lines n y | git checkout -p &&
verify_saved_state bar &&
verify_state dir/foo index index
'
for opt in "HEAD" "@"
do
test_expect_success "git checkout -p $opt with NO staged changes: abort" '
set_and_save_state dir/foo work head &&
test_write_lines n y n | git checkout -p $opt >output &&
verify_saved_state bar &&
verify_saved_state dir/foo &&
test_grep "Discard" output
'
test_expect_success "git checkout -p $opt with NO staged changes: apply" '
test_write_lines n y y | git checkout -p $opt >output &&
verify_saved_state bar &&
verify_state dir/foo head head &&
test_grep "Discard" output
'
test_expect_success "git checkout -p $opt with change already staged" '
set_state dir/foo index index &&
# the third n is to get out in case it mistakenly does not apply
test_write_lines n y n | git checkout -p $opt >output &&
verify_saved_state bar &&
verify_state dir/foo head head &&
test_grep "Discard" output
'
done
test_expect_success 'git checkout -p HEAD^...' '
# the third n is to get out in case it mistakenly does not apply
test_write_lines n y n | git checkout -p HEAD^... &&
verify_saved_state bar &&
verify_state dir/foo parent parent
'
test_expect_success 'git checkout -p HEAD^' '
# the third n is to get out in case it mistakenly does not apply
test_write_lines n y n | git checkout -p HEAD^ &&
verify_saved_state bar &&
verify_state dir/foo parent parent
'
test_expect_success 'git checkout -p handles deletion' '
set_state dir/foo work index &&
rm dir/foo &&
test_write_lines n y | git checkout -p &&
verify_saved_state bar &&
verify_state dir/foo index index
'
# The idea in the rest is that bar sorts first, so we always say 'y'
# first and if the path limiter fails it'll apply to bar instead of
# dir/foo. There's always an extra 'n' to reject edits to dir/foo in
# the failure case (and thus get out of the loop).
test_expect_success 'path limiting works: dir' '
set_state dir/foo work head &&
test_write_lines y n | git checkout -p dir &&
verify_saved_state bar &&
verify_state dir/foo head head
'
test_expect_success 'path limiting works: -- dir' '
set_state dir/foo work head &&
test_write_lines y n | git checkout -p -- dir &&
verify_saved_state bar &&
verify_state dir/foo head head
'
test_expect_success 'path limiting works: HEAD^ -- dir' '
# the third n is to get out in case it mistakenly does not apply
test_write_lines y n n | git checkout -p HEAD^ -- dir &&
verify_saved_state bar &&
verify_state dir/foo parent parent
'
test_expect_success 'path limiting works: foo inside dir' '
set_state dir/foo work head &&
# the third n is to get out in case it mistakenly does not apply
test_write_lines y n n | (cd dir && git checkout -p foo) &&
verify_saved_state bar &&
verify_state dir/foo head head
'
test_expect_success 'none of this moved HEAD' '
verify_saved_head
'
test_expect_success 'empty tree can be handled' '
test_when_finished "git reset --hard" &&
git checkout -p $(test_oid empty_tree) --
'
test_done