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git-rev-list: add "end" commit and "--header" flag 

The "end" commit is just faking it right now, it's sorting things
purely by date, so this is _not_ a reachability analysis. Some day.

The "--header" flag causes the commit message to be printed out,
with a NUL character separator after it for parseability. This
allows you to do things like use "grep -z" to grep for certain
authors etc.
maint
Linus Torvalds 2005-05-25 18:29:09 -07:00
parent 3ff1fbbb94
commit a6f68d4767
1 changed files with 44 additions and 17 deletions
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61
rev-list.c
View File

@ -1,45 +1,70 @@
#include "cache.h"
#include "commit.h"

static const char rev_list_usage[] =
"usage: git-rev-list [OPTION] commit-id <commit-id>\n"
" --max-count=nr\n"
" --max-age=epoch\n"
" --min-age=epoch\n"
" --header";

int main(int argc, char **argv)
{
unsigned char sha1[20];
int nr_sha;
unsigned char sha1[2][20];
struct commit_list *list = NULL;
struct commit *commit;
char *commit_arg = NULL;
int i;
struct commit *commit, *end;
int i, verbose_header = 0;
unsigned long max_age = -1;
unsigned long min_age = -1;
int max_count = -1;

nr_sha = 0;
for (i = 1 ; i < argc; i++) {
char *arg = argv[i];

if (!strncmp(arg, "--max-count=", 12)) {
max_count = atoi(arg + 12);
} else if (!strncmp(arg, "--max-age=", 10)) {
max_age = atoi(arg + 10);
} else if (!strncmp(arg, "--min-age=", 10)) {
min_age = atoi(arg + 10);
} else {
commit_arg = arg;
continue;
}
if (!strncmp(arg, "--max-age=", 10)) {
max_age = atoi(arg + 10);
continue;
}
if (!strncmp(arg, "--min-age=", 10)) {
min_age = atoi(arg + 10);
continue;
}
if (!strcmp(arg, "--header")) {
verbose_header = 1;
continue;
}

if (nr_sha > 2 || get_sha1(arg, sha1[nr_sha]))
usage(rev_list_usage);
nr_sha++;
}

if (!commit_arg || get_sha1(commit_arg, sha1))
usage("usage: git-rev-list [OPTION] commit-id\n"
" --max-count=nr\n"
" --max-age=epoch\n"
" --min-age=epoch\n");
if (!nr_sha)
usage(rev_list_usage);

commit = lookup_commit(sha1);
commit = lookup_commit_reference(sha1[0]);
if (!commit || parse_commit(commit) < 0)
die("bad commit object");
die("bad starting commit object");

end = NULL;
if (nr_sha > 1) {
end = lookup_commit_reference(sha1[1]);
if (!end || parse_commit(end) < 0)
die("bad ending commit object");
}

commit_list_insert(commit, &list);
do {
struct commit *commit = pop_most_recent_commit(&list, 0x1);

if (commit == end)
break;
if (min_age != -1 && (commit->date > min_age))
continue;
if (max_age != -1 && (commit->date < max_age))
@ -47,6 +72,8 @@ int main(int argc, char **argv)
if (max_count != -1 && !max_count--)
break;
printf("%s\n", sha1_to_hex(commit->object.sha1));
if (verbose_header)
printf("%s%c", commit->buffer, 0);
} while (list);
return 0;
}