Revision 1855c044629a02488baa1bd25ae45341da33bd4e authored by Junio C Hamano on 09 July 2005, 02:27:15 UTC, committed by Linus Torvalds on 09 July 2005, 02:48:44 UTC
If it is fed a commit with more than one leading blank lines, the sed scripts git-format-patch-script used looped forever. Using git-stripspace upfront makes the sed script somewhat simpler to work around this problem. Also use git-rev-parse so that we can say $ git-format-patch-script HEAD^^^^ to prepare the latest four patches for e-mail submission. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
1 parent ed61604
export.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;
}
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