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Merge branch 'ps/bundle-outside-repo-fix'

Browse source 
"git bundle unbundle" outside a repository triggered a BUG()
unnecessarily, which has been corrected.

* ps/bundle-outside-repo-fix:
  bundle: default to SHA1 when reading bundle headers
  builtin/bundle: have unbundle check for repo before opening its bundle
This commit is contained in:
Junio C Hamano 2024-08-21 12:02:24 -07:00
parent fdf70da8c3 96a9a3e42e
commit b772c9cf2e
3 changed files with 41 additions and 3 deletions
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5
builtin/bundle.c
View file

@ -207,12 +207,13 @@ static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix)
builtin_bundle_unbundle_usage, options, &bundle_file);
/* bundle internals use argv[1] as further parameters */
if (!startup_info->have_repository)
die(_("Need a repository to unbundle."));
if ((bundle_fd = open_bundle(bundle_file, &header, NULL)) < 0) {
ret = 1;
goto cleanup;
}
if (!startup_info->have_repository)
die(_("Need a repository to unbundle."));
if (progress)
strvec_pushl(&extra_index_pack_args, "-v", "--progress-title",
_("Unbundling objects"), NULL);

7
bundle.c
View file

@ -89,7 +89,12 @@ int read_bundle_header_fd(int fd, struct bundle_header *header,
goto abort;
}
header->hash_algo = the_hash_algo;
/*
* The default hash format for bundles is SHA1, unless told otherwise
* by an "object-format=" capability, which is being handled in
* `parse_capability()`.
*/
header->hash_algo = &hash_algos[GIT_HASH_SHA1];
/* The bundle header ends with an empty line */
while (!strbuf_getwholeline_fd(&buf, fd, '\n') &&

32
t/t6020-bundle-misc.sh
View file

@ -652,4 +652,36 @@ test_expect_success 'send a bundle to standard output' '
test_cmp expect actual
'
test_expect_success 'unbundle outside of a repository' '
git bundle create some.bundle HEAD &&
echo "fatal: Need a repository to unbundle." >expect &&
nongit test_must_fail git bundle unbundle "$(pwd)/some.bundle" 2>err &&
test_cmp expect err
'
test_expect_success 'list-heads outside of a repository' '
git bundle create some.bundle HEAD &&
cat >expect <<-EOF &&
$(git rev-parse HEAD) HEAD
EOF
nongit git bundle list-heads "$(pwd)/some.bundle" >actual &&
test_cmp expect actual
'
for hash in sha1 sha256
do
test_expect_success "list-heads with bundle using $hash" '
test_when_finished "rm -rf hash" &&
git init --object-format=$hash hash &&
test_commit -C hash initial &&
git -C hash bundle create hash.bundle HEAD &&
cat >expect <<-EOF &&
$(git -C hash rev-parse HEAD) HEAD
EOF
git bundle list-heads hash/hash.bundle >actual &&
test_cmp expect actual
'
done
test_done