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[PATCH] Silent flag for show-diff 

This patch adds a -s flag for show-diff, which will surpress the
actual diffing. This is useful for my scripts when they just want
to see what needs to be updated in the cache.

Signed-off-by: Petr Baudis <pasky@ucw.cz>
maint
Petr Baudis 2005-04-13 01:40:09 -07:00
parent 3d8c7a5790
commit e2e5e98a40
1 changed files with 13 additions and 1 deletions
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14
show-diff.c
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@ -57,9 +57,18 @@ static void show_diff_empty(struct cache_entry *ce)


int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int silent = 0;
int entries = read_cache(); int entries = read_cache();
int i; int i;


while (argc-- > 1) {
if (!strcmp(argv[1], "-s")) {
silent = 1;
continue;
}
usage("show-diff [-s]");
}

if (entries < 0) { if (entries < 0) {
perror("read_cache"); perror("read_cache");
exit(1); exit(1);
@ -74,7 +83,7 @@ int main(int argc, char **argv)


if (stat(ce->name, &st) < 0) { if (stat(ce->name, &st) < 0) {
printf("%s: %s\n", ce->name, strerror(errno)); printf("%s: %s\n", ce->name, strerror(errno));
if (errno == ENOENT) if (errno == ENOENT && !silent)
show_diff_empty(ce); show_diff_empty(ce);
continue; continue;
} }
@ -86,6 +95,9 @@ int main(int argc, char **argv)
printf("%02x", ce->sha1[n]); printf("%02x", ce->sha1[n]);
printf("\n"); printf("\n");
fflush(stdout); fflush(stdout);
if (silent)
continue;

new = read_sha1_file(ce->sha1, type, &size); new = read_sha1_file(ce->sha1, type, &size);
show_differences(ce->name, new, size); show_differences(ce->name, new, size);
free(new); free(new);