You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
1.7 KiB
81 lines
1.7 KiB
#include "cache.h" |
|
#include "commit.h" |
|
|
|
/* |
|
* Show one commit |
|
*/ |
|
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, "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 |
|
*/ |
|
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); |
|
} |
|
|
|
void export(struct commit *top, struct commit *base) |
|
{ |
|
mark_reachable(&top->object, 1); |
|
if (base) |
|
mark_reachable(&base->object, 2); |
|
show_unseen(top); |
|
} |
|
|
|
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_hex(argv[1], top_sha1) || |
|
(argc == 3 && get_sha1_hex(argv[2], base_sha1))) |
|
usage("git-export top [base]"); |
|
export(get_commit(top_sha1), argc==3 ? get_commit(base_sha1) : NULL); |
|
return 0; |
|
}
|
|
|