mirror of
https://github.com/git/git.git
synced 2024-12-01 22:13:45 +08:00
e99d59ff0b
Fix various things that sparse complains about:
- use NULL instead of 0
- make sure we declare everything properly, or mark it static
- use proper function declarations ("fn(void)" instead of "fn()")
Sparse is always right.
82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
#include "cache.h"
|
|
#include "commit.h"
|
|
|
|
/*
|
|
* Show one commit
|
|
*/
|
|
static void show_commit(struct commit *commit)
|
|
{
|
|
char cmdline[400];
|
|
char hex[100];
|
|
|
|
strcpy(hex, sha1_to_hex(commit->object.sha1));
|
|
printf("Id: %s\n", hex);
|
|
fflush(NULL);
|
|
sprintf(cmdline, "git-cat-file commit %s", hex);
|
|
system(cmdline);
|
|
if (commit->parents) {
|
|
char *against = sha1_to_hex(commit->parents->item->object.sha1);
|
|
printf("\n\n======== diff against %s ========\n", against);
|
|
fflush(NULL);
|
|
sprintf(cmdline, "git-diff-tree -p %s %s", against, hex);
|
|
system(cmdline);
|
|
}
|
|
printf("======== end ========\n\n");
|
|
}
|
|
|
|
/*
|
|
* Show all unseen commits, depth-first
|
|
*/
|
|
static void show_unseen(struct commit *top)
|
|
{
|
|
struct commit_list *parents;
|
|
|
|
if (top->object.flags & 2)
|
|
return;
|
|
top->object.flags |= 2;
|
|
parents = top->parents;
|
|
while (parents) {
|
|
show_unseen(parents->item);
|
|
parents = parents->next;
|
|
}
|
|
show_commit(top);
|
|
}
|
|
|
|
static void export(struct commit *top, struct commit *base)
|
|
{
|
|
mark_reachable(&top->object, 1);
|
|
if (base)
|
|
mark_reachable(&base->object, 2);
|
|
show_unseen(top);
|
|
}
|
|
|
|
static struct commit *get_commit(unsigned char *sha1)
|
|
{
|
|
struct commit *commit = lookup_commit(sha1);
|
|
if (!commit->object.parsed) {
|
|
struct commit_list *parents;
|
|
|
|
if (parse_commit(commit) < 0)
|
|
die("unable to parse commit %s", sha1_to_hex(sha1));
|
|
parents = commit->parents;
|
|
while (parents) {
|
|
get_commit(parents->item->object.sha1);
|
|
parents = parents->next;
|
|
}
|
|
}
|
|
return commit;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
unsigned char base_sha1[20];
|
|
unsigned char top_sha1[20];
|
|
|
|
if (argc < 2 || argc > 4 ||
|
|
get_sha1(argv[1], top_sha1) ||
|
|
(argc == 3 && get_sha1(argv[2], base_sha1)))
|
|
usage("git-export top [base]");
|
|
export(get_commit(top_sha1), argc==3 ? get_commit(base_sha1) : NULL);
|
|
return 0;
|
|
}
|