diff options
| -rw-r--r-- | fetch-pack.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/fetch-pack.c b/fetch-pack.c index 969e72a78..9dfd072db 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -12,31 +12,49 @@ static const char fetch_pack_usage[] = "git-fetch-pack [-q] [-v] [--exec=upload-pack] [host:]directory <refs>..."; static const char *exec = "git-upload-pack"; +#define COMPLETE (1U << 0) + static int find_common(int fd[2], unsigned char *result_sha1, struct ref *refs) { int fetching; static char line[1000]; - int count = 0, flushes = 0, retval; + static char rev_command[1024]; + int count = 0, flushes = 0, retval, rev_command_len; FILE *revs; - revs = popen("git-rev-list $(git-rev-parse --all)", "r"); - if (!revs) - die("unable to run 'git-rev-list'"); - + strcpy(rev_command, "git-rev-list $(git-rev-parse --all)"); + rev_command_len = strlen(rev_command); fetching = 0; for ( ; refs ; refs = refs->next) { unsigned char *remote = refs->old_sha1; - unsigned char *local = refs->new_sha1; - if (!memcmp(remote, local, 20)) + /* + If that object is complete (i.e. it is a descendant of a + local ref), we don't want it, nor its descendants. + */ + if (has_sha1_file(remote) + && parse_object(remote)->flags & COMPLETE) { + if (rev_command_len + 44 < sizeof(rev_command)) { + snprintf(rev_command + rev_command_len, 44, + " ^%s^", sha1_to_hex(remote)); + rev_command_len += 43; + } + continue; + } + packet_write(fd[1], "want %s\n", sha1_to_hex(remote)); fetching++; } packet_flush(fd[1]); if (!fetching) return 1; + + revs = popen(rev_command, "r"); + if (!revs) + die("unable to run 'git-rev-list'"); + flushes = 1; retval = -1; while (fgets(line, sizeof(line), revs) != NULL) { @@ -81,7 +99,6 @@ static int find_common(int fd[2], unsigned char *result_sha1, return retval; } -#define COMPLETE (1U << 0) static struct commit_list *complete = NULL; static int mark_complete(const char *path, const unsigned char *sha1) |