git/t/helper/test-delete-gpgsig.c

63 lines
1.2 KiB
C

#include "test-tool.h"
#include "gpg-interface.h"
#include "strbuf.h"
int cmd__delete_gpgsig(int argc, const char **argv)
{
struct strbuf buf = STRBUF_INIT;
const char *pattern = "gpgsig";
const char *bufptr, *tail, *eol;
int deleting = 0;
size_t plen;
if (argc >= 2) {
pattern = argv[1];
argv++;
argc--;
}
plen = strlen(pattern);
strbuf_read(&buf, 0, 0);
if (!strcmp(pattern, "trailer")) {
size_t payload_size = parse_signed_buffer(buf.buf, buf.len);
fwrite(buf.buf, 1, payload_size, stdout);
fflush(stdout);
return 0;
}
bufptr = buf.buf;
tail = bufptr + buf.len;
while (bufptr < tail) {
/* Find the end of the line */
eol = memchr(bufptr, '\n', tail - bufptr);
if (!eol)
eol = tail;
/* Drop continuation lines */
if (deleting && (bufptr < eol) && (bufptr[0] == ' ')) {
bufptr = eol + 1;
continue;
}
deleting = 0;
/* Does the line match the prefix? */
if (((bufptr + plen) < eol) &&
!memcmp(bufptr, pattern, plen) &&
(bufptr[plen] == ' ')) {
deleting = 1;
bufptr = eol + 1;
continue;
}
/* Print all other lines */
fwrite(bufptr, 1, (eol - bufptr) + 1, stdout);
bufptr = eol + 1;
}
fflush(stdout);
return 0;
}