path: root/receive-pack.c
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authorJunio C Hamano <>2006-09-28 05:23:12 (GMT)
committerJunio C Hamano <>2006-09-28 05:23:12 (GMT)
commit2958d9b5dbebeb82e7230bbfd3f421781d90f3f7 (patch)
tree881c16a7442a1829d8959aee272f50065c53b582 /receive-pack.c
parent194db7e3bbab9669c511133549e6ae74481c9a4f (diff)
parent51b2dd4e3f730f6be6c19faf3b4a04caea9e0420 (diff)
Merge branch 'master' into lj/refs
* master: (72 commits) runstatus: do not recurse into subdirectories if not needed grep: fix --fixed-strings combined with expression. grep: free expressions and patterns when done. Corrected copy-and-paste thinko in ignore executable bit test case. An illustration of rev-list --parents --pretty=raw Allow git-checkout when on a non-existant branch. gitweb: Decode long title for link tooltips git-svn: Fix fetch --no-ignore-externals with GIT_SVN_NO_LIB=1 Ignore executable bit when adding files if filemode=0. Remove empty ref directories that prevent creating a ref. Use const for interpolate arguments git-archive: update documentation Deprecate gitweb: fix over-eager application of esc_html(). Allow '(no author)' in git-svn's authors file. Allow 'svn fetch' on '(no date)' revisions in Subversion. git-repack: allow git-repack to run in subdirectory Remove upload-tar and make git-tar-tree a thin wrapper to git-archive git-tar-tree: Move code for git-archive --format=tar to archive-tar.c git-tar-tree: Remove duplicate git_config() call ...
Diffstat (limited to 'receive-pack.c')
1 files changed, 17 insertions, 0 deletions
diff --git a/receive-pack.c b/receive-pack.c
index c8aacbb..1fcf3a9 100644
--- a/receive-pack.c
+++ b/receive-pack.c
@@ -2,6 +2,8 @@
#include "refs.h"
#include "pkt-line.h"
#include "run-command.h"
+#include "commit.h"
+#include "object.h"
static const char receive_pack_usage[] = "git-receive-pack <git-dir>";
@@ -94,6 +96,21 @@ static int update(struct command *cmd)
return error("unpack should have generated %s, "
"but I can't find it!", new_hex);
+ if (deny_non_fast_forwards && !is_null_sha1(old_sha1)) {
+ struct commit *old_commit, *new_commit;
+ struct commit_list *bases, *ent;
+ old_commit = (struct commit *)parse_object(old_sha1);
+ new_commit = (struct commit *)parse_object(new_sha1);
+ bases = get_merge_bases(old_commit, new_commit, 1);
+ for (ent = bases; ent; ent = ent->next)
+ if (!hashcmp(old_sha1, ent->item->object.sha1))
+ break;
+ free_commit_list(bases);
+ if (!ent)
+ return error("denying non-fast forward;"
+ " you should pull first");
+ }
if (run_update_hook(name, old_hex, new_hex)) {
cmd->error_string = "hook declined";
return error("hook declined to update %s", name);