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-rw-r--r--Documentation/git-index-pack.txt7
-rw-r--r--builtin/index-pack.c25
-rw-r--r--builtin/receive-pack.c2
-rw-r--r--fetch-pack.c78
-rw-r--r--fsck.c5
-rw-r--r--fsck.h2
-rw-r--r--pack-write.c8
-rw-r--r--pack.h2
-rwxr-xr-xt/t5702-protocol-v2.sh58
9 files changed, 165 insertions, 22 deletions
diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt
index af0c262..e74a4a1 100644
--- a/Documentation/git-index-pack.txt
+++ b/Documentation/git-index-pack.txt
@@ -78,7 +78,12 @@ OPTIONS
Die if the pack contains broken links. For internal use only.
--fsck-objects::
- Die if the pack contains broken objects. For internal use only.
+ For internal use only.
++
+Die if the pack contains broken objects. If the pack contains a tree
+pointing to a .gitmodules blob that does not exist, prints the hash of
+that blob (for the caller to check) after the hash that goes into the
+name of the pack/idx file (see "Notes").
--threads=<n>::
Specifies the number of threads to spawn when resolving
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 557bd2f..0444feb 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -1693,6 +1693,22 @@ static void show_pack_info(int stat_only)
}
}
+static int print_dangling_gitmodules(struct fsck_options *o,
+ const struct object_id *oid,
+ enum object_type object_type,
+ int msg_type, const char *message)
+{
+ /*
+ * NEEDSWORK: Plumb the MSG_ID (from fsck.c) here and use it
+ * instead of relying on this string check.
+ */
+ if (starts_with(message, "gitmodulesMissing")) {
+ printf("%s\n", oid_to_hex(oid));
+ return 0;
+ }
+ return fsck_error_function(o, oid, object_type, msg_type, message);
+}
+
int cmd_index_pack(int argc, const char **argv, const char *prefix)
{
int i, fix_thin_pack = 0, verify = 0, stat_only = 0;
@@ -1888,8 +1904,13 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
else
close(input_fd);
- if (do_fsck_object && fsck_finish(&fsck_options))
- die(_("fsck error in pack objects"));
+ if (do_fsck_object) {
+ struct fsck_options fo = fsck_options;
+
+ fo.error_func = print_dangling_gitmodules;
+ if (fsck_finish(&fo))
+ die(_("fsck error in pack objects"));
+ }
free(objects);
strbuf_release(&index_name_buf);
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index d49d050..ed2c9b4 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -2275,7 +2275,7 @@ static const char *unpack(int err_fd, struct shallow_info *si)
status = start_command(&child);
if (status)
return "index-pack fork failed";
- pack_lockfile = index_pack_lockfile(child.out);
+ pack_lockfile = index_pack_lockfile(child.out, NULL);
close(child.out);
status = finish_command(&child);
if (status)
diff --git a/fetch-pack.c b/fetch-pack.c
index dd0a6c4..f9def5a 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -796,6 +796,26 @@ static void write_promisor_file(const char *keep_name,
strbuf_release(&promisor_name);
}
+static void parse_gitmodules_oids(int fd, struct oidset *gitmodules_oids)
+{
+ int len = the_hash_algo->hexsz + 1; /* hash + NL */
+
+ do {
+ char hex_hash[GIT_MAX_HEXSZ + 1];
+ int read_len = read_in_full(fd, hex_hash, len);
+ struct object_id oid;
+ const char *end;
+
+ if (!read_len)
+ return;
+ if (read_len != len)
+ die("invalid length read %d", read_len);
+ if (parse_oid_hex(hex_hash, &oid, &end) || *end != '\n')
+ die("invalid hash");
+ oidset_insert(gitmodules_oids, &oid);
+ } while (1);
+}
+
/*
* If packfile URIs were provided, pass a non-NULL pointer to index_pack_args.
* The strings to pass as the --index-pack-arg arguments to http-fetch will be
@@ -804,7 +824,8 @@ static void write_promisor_file(const char *keep_name,
static int get_pack(struct fetch_pack_args *args,
int xd[2], struct string_list *pack_lockfiles,
struct strvec *index_pack_args,
- struct ref **sought, int nr_sought)
+ struct ref **sought, int nr_sought,
+ struct oidset *gitmodules_oids)
{
struct async demux;
int do_keep = args->keep_pack;
@@ -812,6 +833,7 @@ static int get_pack(struct fetch_pack_args *args,
struct pack_header header;
int pass_header = 0;
struct child_process cmd = CHILD_PROCESS_INIT;
+ int fsck_objects = 0;
int ret;
memset(&demux, 0, sizeof(demux));
@@ -846,8 +868,15 @@ static int get_pack(struct fetch_pack_args *args,
strvec_push(&cmd.args, alternate_shallow_file);
}
- if (do_keep || args->from_promisor || index_pack_args) {
- if (pack_lockfiles)
+ if (fetch_fsck_objects >= 0
+ ? fetch_fsck_objects
+ : transfer_fsck_objects >= 0
+ ? transfer_fsck_objects
+ : 0)
+ fsck_objects = 1;
+
+ if (do_keep || args->from_promisor || index_pack_args || fsck_objects) {
+ if (pack_lockfiles || fsck_objects)
cmd.out = -1;
cmd_name = "index-pack";
strvec_push(&cmd.args, cmd_name);
@@ -897,11 +926,7 @@ static int get_pack(struct fetch_pack_args *args,
strvec_pushf(&cmd.args, "--pack_header=%"PRIu32",%"PRIu32,
ntohl(header.hdr_version),
ntohl(header.hdr_entries));
- if (fetch_fsck_objects >= 0
- ? fetch_fsck_objects
- : transfer_fsck_objects >= 0
- ? transfer_fsck_objects
- : 0) {
+ if (fsck_objects) {
if (args->from_promisor || index_pack_args)
/*
* We cannot use --strict in index-pack because it
@@ -925,10 +950,15 @@ static int get_pack(struct fetch_pack_args *args,
cmd.git_cmd = 1;
if (start_command(&cmd))
die(_("fetch-pack: unable to fork off %s"), cmd_name);
- if (do_keep && pack_lockfiles) {
- char *pack_lockfile = index_pack_lockfile(cmd.out);
+ if (do_keep && (pack_lockfiles || fsck_objects)) {
+ int is_well_formed;
+ char *pack_lockfile = index_pack_lockfile(cmd.out, &is_well_formed);
+
+ if (!is_well_formed)
+ die(_("fetch-pack: invalid index-pack output"));
if (pack_lockfile)
string_list_append_nodup(pack_lockfiles, pack_lockfile);
+ parse_gitmodules_oids(cmd.out, gitmodules_oids);
close(cmd.out);
}
@@ -963,6 +993,22 @@ static int cmp_ref_by_name(const void *a_, const void *b_)
return strcmp(a->name, b->name);
}
+static void fsck_gitmodules_oids(struct oidset *gitmodules_oids)
+{
+ struct oidset_iter iter;
+ const struct object_id *oid;
+ struct fsck_options fo = FSCK_OPTIONS_STRICT;
+
+ if (!oidset_size(gitmodules_oids))
+ return;
+
+ oidset_iter_init(gitmodules_oids, &iter);
+ while ((oid = oidset_iter_next(&iter)))
+ register_found_gitmodules(oid);
+ if (fsck_finish(&fo))
+ die("fsck failed");
+}
+
static struct ref *do_fetch_pack(struct fetch_pack_args *args,
int fd[2],
const struct ref *orig_ref,
@@ -977,6 +1023,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
int agent_len;
struct fetch_negotiator negotiator_alloc;
struct fetch_negotiator *negotiator;
+ struct oidset gitmodules_oids = OIDSET_INIT;
negotiator = &negotiator_alloc;
fetch_negotiator_init(r, negotiator);
@@ -1092,8 +1139,10 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
alternate_shallow_file = setup_temporary_shallow(si->shallow);
else
alternate_shallow_file = NULL;
- if (get_pack(args, fd, pack_lockfiles, NULL, sought, nr_sought))
+ if (get_pack(args, fd, pack_lockfiles, NULL, sought, nr_sought,
+ &gitmodules_oids))
die(_("git fetch-pack: fetch failed."));
+ fsck_gitmodules_oids(&gitmodules_oids);
all_done:
if (negotiator)
@@ -1544,6 +1593,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
struct string_list packfile_uris = STRING_LIST_INIT_DUP;
int i;
struct strvec index_pack_args = STRVEC_INIT;
+ struct oidset gitmodules_oids = OIDSET_INIT;
negotiator = &negotiator_alloc;
fetch_negotiator_init(r, negotiator);
@@ -1634,7 +1684,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
process_section_header(&reader, "packfile", 0);
if (get_pack(args, fd, pack_lockfiles,
packfile_uris.nr ? &index_pack_args : NULL,
- sought, nr_sought))
+ sought, nr_sought, &gitmodules_oids))
die(_("git fetch-pack: fetch failed."));
do_check_stateless_delimiter(args, &reader);
@@ -1677,6 +1727,8 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
packname[the_hash_algo->hexsz] = '\0';
+ parse_gitmodules_oids(cmd.out, &gitmodules_oids);
+
close(cmd.out);
if (finish_command(&cmd))
@@ -1696,6 +1748,8 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
string_list_clear(&packfile_uris, 0);
strvec_clear(&index_pack_args);
+ fsck_gitmodules_oids(&gitmodules_oids);
+
if (negotiator)
negotiator->release(negotiator);
diff --git a/fsck.c b/fsck.c
index f82e2fe..49ef656 100644
--- a/fsck.c
+++ b/fsck.c
@@ -1243,6 +1243,11 @@ int fsck_error_function(struct fsck_options *o,
return 1;
}
+void register_found_gitmodules(const struct object_id *oid)
+{
+ oidset_insert(&gitmodules_found, oid);
+}
+
int fsck_finish(struct fsck_options *options)
{
int ret = 0;
diff --git a/fsck.h b/fsck.h
index 69cf715..d75b723 100644
--- a/fsck.h
+++ b/fsck.h
@@ -62,6 +62,8 @@ int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
int fsck_object(struct object *obj, void *data, unsigned long size,
struct fsck_options *options);
+void register_found_gitmodules(const struct object_id *oid);
+
/*
* Some fsck checks are context-dependent, and may end up queued; run this
* after completing all fsck_object() calls in order to resolve any remaining
diff --git a/pack-write.c b/pack-write.c
index 3513665..f66ea8e 100644
--- a/pack-write.c
+++ b/pack-write.c
@@ -272,7 +272,7 @@ void fixup_pack_header_footer(int pack_fd,
fsync_or_die(pack_fd, pack_name);
}
-char *index_pack_lockfile(int ip_out)
+char *index_pack_lockfile(int ip_out, int *is_well_formed)
{
char packname[GIT_MAX_HEXSZ + 6];
const int len = the_hash_algo->hexsz + 6;
@@ -286,11 +286,17 @@ char *index_pack_lockfile(int ip_out)
*/
if (read_in_full(ip_out, packname, len) == len && packname[len-1] == '\n') {
const char *name;
+
+ if (is_well_formed)
+ *is_well_formed = 1;
packname[len-1] = 0;
if (skip_prefix(packname, "keep\t", &name))
return xstrfmt("%s/pack/pack-%s.keep",
get_object_directory(), name);
+ return NULL;
}
+ if (is_well_formed)
+ *is_well_formed = 0;
return NULL;
}
diff --git a/pack.h b/pack.h
index 9fc0945..09cffec 100644
--- a/pack.h
+++ b/pack.h
@@ -85,7 +85,7 @@ int verify_pack_index(struct packed_git *);
int verify_pack(struct repository *, struct packed_git *, verify_fn fn, struct progress *, uint32_t);
off_t write_pack_header(struct hashfile *f, uint32_t);
void fixup_pack_header_footer(int, unsigned char *, const char *, uint32_t, unsigned char *, off_t);
-char *index_pack_lockfile(int fd);
+char *index_pack_lockfile(int fd, int *is_well_formed);
/*
* The "hdr" output buffer should be at least this big, which will handle sizes
diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh
index 7d5b179..b1bc73a 100755
--- a/t/t5702-protocol-v2.sh
+++ b/t/t5702-protocol-v2.sh
@@ -847,8 +847,9 @@ test_expect_success 'part of packfile response provided as URI' '
test -f hfound &&
test -f h2found &&
- # Ensure that there are exactly 6 files (3 .pack and 3 .idx).
- ls http_child/.git/objects/pack/* >filelist &&
+ # Ensure that there are exactly 3 packfiles with associated .idx
+ ls http_child/.git/objects/pack/*.pack \
+ http_child/.git/objects/pack/*.idx >filelist &&
test_line_count = 6 filelist
'
@@ -901,8 +902,9 @@ test_expect_success 'packfile-uri with transfer.fsckobjects' '
-c fetch.uriprotocols=http,https \
clone "$HTTPD_URL/smart/http_parent" http_child &&
- # Ensure that there are exactly 4 files (2 .pack and 2 .idx).
- ls http_child/.git/objects/pack/* >filelist &&
+ # Ensure that there are exactly 2 packfiles with associated .idx
+ ls http_child/.git/objects/pack/*.pack \
+ http_child/.git/objects/pack/*.idx >filelist &&
test_line_count = 4 filelist
'
@@ -936,6 +938,54 @@ test_expect_success 'packfile-uri with transfer.fsckobjects fails on bad object'
test_i18ngrep "invalid author/committer line - missing email" error
'
+test_expect_success 'packfile-uri with transfer.fsckobjects succeeds when .gitmodules is separate from tree' '
+ P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+ rm -rf "$P" http_child &&
+
+ git init "$P" &&
+ git -C "$P" config "uploadpack.allowsidebandall" "true" &&
+
+ echo "[submodule libfoo]" >"$P/.gitmodules" &&
+ echo "path = include/foo" >>"$P/.gitmodules" &&
+ echo "url = git://example.com/git/lib.git" >>"$P/.gitmodules" &&
+ git -C "$P" add .gitmodules &&
+ git -C "$P" commit -m x &&
+
+ configure_exclusion "$P" .gitmodules >h &&
+
+ sane_unset GIT_TEST_SIDEBAND_ALL &&
+ git -c protocol.version=2 -c transfer.fsckobjects=1 \
+ -c fetch.uriprotocols=http,https \
+ clone "$HTTPD_URL/smart/http_parent" http_child &&
+
+ # Ensure that there are exactly 2 packfiles with associated .idx
+ ls http_child/.git/objects/pack/*.pack \
+ http_child/.git/objects/pack/*.idx >filelist &&
+ test_line_count = 4 filelist
+'
+
+test_expect_success 'packfile-uri with transfer.fsckobjects fails when .gitmodules separate from tree is invalid' '
+ P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+ rm -rf "$P" http_child err &&
+
+ git init "$P" &&
+ git -C "$P" config "uploadpack.allowsidebandall" "true" &&
+
+ echo "[submodule \"..\"]" >"$P/.gitmodules" &&
+ echo "path = include/foo" >>"$P/.gitmodules" &&
+ echo "url = git://example.com/git/lib.git" >>"$P/.gitmodules" &&
+ git -C "$P" add .gitmodules &&
+ git -C "$P" commit -m x &&
+
+ configure_exclusion "$P" .gitmodules >h &&
+
+ sane_unset GIT_TEST_SIDEBAND_ALL &&
+ test_must_fail git -c protocol.version=2 -c transfer.fsckobjects=1 \
+ -c fetch.uriprotocols=http,https \
+ clone "$HTTPD_URL/smart/http_parent" http_child 2>err &&
+ test_i18ngrep "disallowed submodule name" err
+'
+
# DO NOT add non-httpd-specific tests here, because the last part of this
# test script is only executed when httpd is available and enabled.