summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--archive.c18
-rwxr-xr-xt/t5000-tar-tree.sh8
2 files changed, 22 insertions, 4 deletions
diff --git a/archive.c b/archive.c
index 3fd7f475f1..5f0a3fc6d2 100644
--- a/archive.c
+++ b/archive.c
@@ -247,7 +247,8 @@ static void parse_pathspec_arg(const char **pathspec,
}
static void parse_treeish_arg(const char **argv,
- struct archiver_args *ar_args, const char *prefix)
+ struct archiver_args *ar_args, const char *prefix,
+ int remote)
{
const char *name = argv[0];
const unsigned char *commit_sha1;
@@ -256,8 +257,17 @@ static void parse_treeish_arg(const char **argv,
const struct commit *commit;
unsigned char sha1[20];
- if (get_sha1(name, sha1))
- die("Not a valid object name");
+ /* Remotes are only allowed to fetch actual refs */
+ if (remote) {
+ char *ref = NULL;
+ if (!dwim_ref(name, strlen(name), sha1, &ref))
+ die("no such ref: %s", name);
+ free(ref);
+ }
+ else {
+ if (get_sha1(name, sha1))
+ die("Not a valid object name");
+ }
commit = lookup_commit_reference_gently(sha1, 1);
if (commit) {
@@ -414,7 +424,7 @@ int write_archive(int argc, const char **argv, const char *prefix,
setup_git_directory();
}
- parse_treeish_arg(argv, &args, prefix);
+ parse_treeish_arg(argv, &args, prefix, remote);
parse_pathspec_arg(argv + 1, &args);
return ar->write_archive(ar, &args);
diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh
index d9068981f8..c05c676ca2 100755
--- a/t/t5000-tar-tree.sh
+++ b/t/t5000-tar-tree.sh
@@ -242,6 +242,14 @@ test_expect_success \
'git archive --list outside of a git repo' \
'GIT_DIR=some/non-existing/directory git archive --list'
+test_expect_success 'clients cannot access unreachable commits' '
+ test_commit unreachable &&
+ sha1=`git rev-parse HEAD` &&
+ git reset --hard HEAD^ &&
+ git archive $sha1 >remote.tar &&
+ test_must_fail git archive --remote=. $sha1 >remote.tar
+'
+
test_expect_success 'git-archive --prefix=olde-' '
git archive --prefix=olde- >h.tar HEAD &&
(