}
}
+ /*
+ * The ref_map records the tips of the refs we are fetching. If
+ *
+ * $ git rev-list --verify-objects --stdin --not --all
+ *
+ * (feeding all the refs in ref_map on its standard input) does not
+ * error out, that means everything reachable from these updated refs
+ * locally exists and is connected to some of our existing refs.
+ *
+ * Returns 0 if everything is connected, non-zero otherwise.
+ */
+ static int check_everything_connected(struct ref *ref_map, int quiet)
+ {
+ struct child_process rev_list;
+ const char *argv[] = {"rev-list", "--verify-objects",
+ "--stdin", "--not", "--all", NULL, NULL};
+ char commit[41];
+ struct ref *ref;
+ int err = 0;
+
+ if (!ref_map)
+ return 0;
+
+ if (quiet)
+ argv[5] = "--quiet";
+
+ memset(&rev_list, 0, sizeof(rev_list));
+ rev_list.argv = argv;
+ rev_list.git_cmd = 1;
+ rev_list.in = -1;
+ rev_list.no_stdout = 1;
+ rev_list.no_stderr = quiet;
+ if (start_command(&rev_list))
+ return error(_("Could not run 'git rev-list'"));
+
+ sigchain_push(SIGPIPE, SIG_IGN);
+
+ memcpy(commit + 40, "\n", 2);
+ for (ref = ref_map; ref; ref = ref->next) {
+ memcpy(commit, sha1_to_hex(ref->old_sha1), 40);
+ if (write_in_full(rev_list.in, commit, 41) < 0) {
+ if (errno != EPIPE && errno != EINVAL)
+ error(_("failed write to rev-list: %s"),
+ strerror(errno));
+ err = -1;
+ break;
+ }
+ }
+ if (close(rev_list.in)) {
+ error(_("failed to close rev-list's stdin: %s"), strerror(errno));
+ err = -1;
+ }
+
+ sigchain_pop(SIGPIPE);
+
+ return finish_command(&rev_list) || err;
+ }
+
static int store_updated_refs(const char *raw_url, const char *remote_name,
struct ref *ref_map)
{
url = transport_anonymize_url(raw_url);
else
url = xstrdup("foreign");
+
+ if (check_everything_connected(ref_map, 0))
+ return error(_("%s did not send all necessary objects\n"), url);
+
for (rm = ref_map; rm; rm = rm->next) {
struct ref *ref = NULL;
* We would want to bypass the object transfer altogether if
* everything we are going to fetch already exists and is connected
* locally.
- *
- * The refs we are going to fetch are in ref_map. If running
- *
- * $ git rev-list --objects --stdin --not --all
- *
- * (feeding all the refs in ref_map on its standard input)
- * does not error out, that means everything reachable from the
- * refs we are going to fetch exists and is connected to some of
- * our existing refs.
*/
static int quickfetch(struct ref *ref_map)
{
- struct child_process revlist;
- struct ref *ref;
- int err;
- const char *argv[] = {"rev-list",
- "--quiet", "--objects", "--stdin", "--not", "--all", NULL};
-
/*
* If we are deepening a shallow clone we already have these
* objects reachable. Running rev-list here will return with
*/
if (depth)
return -1;
-
- if (!ref_map)
- return 0;
-
- memset(&revlist, 0, sizeof(revlist));
- revlist.argv = argv;
- revlist.git_cmd = 1;
- revlist.no_stdout = 1;
- revlist.no_stderr = 1;
- revlist.in = -1;
-
- err = start_command(&revlist);
- if (err) {
- error(_("could not run rev-list"));
- return err;
- }
-
- /*
- * If rev-list --stdin encounters an unknown commit, it terminates,
- * which will cause SIGPIPE in the write loop below.
- */
- sigchain_push(SIGPIPE, SIG_IGN);
-
- for (ref = ref_map; ref; ref = ref->next) {
- if (write_in_full(revlist.in, sha1_to_hex(ref->old_sha1), 40) < 0 ||
- write_str_in_full(revlist.in, "\n") < 0) {
- if (errno != EPIPE && errno != EINVAL)
- error(_("failed write to rev-list: %s"), strerror(errno));
- err = -1;
- break;
- }
- }
-
- if (close(revlist.in)) {
- error(_("failed to close rev-list's stdin: %s"), strerror(errno));
- err = -1;
- }
-
- sigchain_pop(SIGPIPE);
-
- return finish_command(&revlist) || err;
+ return check_everything_connected(ref_map, 1);
}
static int fetch_refs(struct transport *transport, struct ref *ref_map)
{
int i;
static const char **refs = NULL;
+ struct refspec *refspec;
int ref_nr = 0;
int exit_code;
sigchain_push_common(unlock_pack_on_signal);
atexit(unlock_pack);
- exit_code = do_fetch(transport,
- parse_fetch_refspec(ref_nr, refs), ref_nr);
+ refspec = parse_fetch_refspec(ref_nr, refs);
+ exit_code = do_fetch(transport, refspec, ref_nr);
+ free(refspec);
transport_disconnect(transport);
transport = NULL;
return exit_code;
argc = parse_options(argc, argv, prefix,
builtin_fetch_options, builtin_fetch_usage, 0);
+ if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
+ if (recurse_submodules_default) {
+ int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
+ set_config_fetch_recurse_submodules(arg);
+ }
+ gitmodules_config();
+ git_config(submodule_config, NULL);
+ }
+
if (all) {
if (argc == 1)
die(_("fetch --all does not take a repository argument"));
if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
const char *options[10];
int num_options = 0;
- if (recurse_submodules_default) {
- int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
- set_config_fetch_recurse_submodules(arg);
- }
- gitmodules_config();
- git_config(submodule_config, NULL);
add_options_to_argv(&num_options, options);
result = fetch_populated_submodules(num_options, options,
submodule_prefix,
* objects against.
*/
unsigned char no_try_delta;
+ unsigned char tagged; /* near the very tip of refs */
+ unsigned char filled; /* assigned write-order */
};
/*
static int incremental;
static int ignore_packed_keep;
static int allow_ofs_delta;
+static struct pack_idx_option pack_idx_opts;
static const char *base_name;
static int progress = 1;
static int window = 10;
*/
static int *object_ix;
static int object_ix_hashsz;
+static struct object_entry *locate_object_entry(const unsigned char *sha1);
/*
* stats
static unsigned long do_compress(void **pptr, unsigned long size)
{
- z_stream stream;
+ git_zstream stream;
void *in, *out;
unsigned long maxsize;
memset(&stream, 0, sizeof(stream));
- deflateInit(&stream, pack_compression_level);
- maxsize = deflateBound(&stream, size);
+ git_deflate_init(&stream, pack_compression_level);
+ maxsize = git_deflate_bound(&stream, size);
in = *pptr;
out = xmalloc(maxsize);
stream.avail_in = size;
stream.next_out = out;
stream.avail_out = maxsize;
- while (deflate(&stream, Z_FINISH) == Z_OK)
+ while (git_deflate(&stream, Z_FINISH) == Z_OK)
; /* nothing */
- deflateEnd(&stream);
+ git_deflate_end(&stream);
free(in);
return stream.total_out;
off_t len,
unsigned long expect)
{
- z_stream stream;
+ git_zstream stream;
unsigned char fakebuf[4096], *in;
int st;
off_t len)
{
unsigned char *in;
- unsigned int avail;
+ unsigned long avail;
while (len) {
in = use_pack(p, w_curs, offset, &avail);
if (avail > len)
- avail = (unsigned int)len;
+ avail = (unsigned long)len;
sha1write(f, in, avail);
offset += avail;
len -= avail;
}
}
+/* Return 0 if we will bust the pack-size limit */
static unsigned long write_object(struct sha1file *f,
struct object_entry *entry,
off_t write_offset)
return 1;
}
+static int mark_tagged(const char *path, const unsigned char *sha1, int flag,
+ void *cb_data)
+{
+ unsigned char peeled[20];
+ struct object_entry *entry = locate_object_entry(sha1);
+
+ if (entry)
+ entry->tagged = 1;
+ if (!peel_ref(path, peeled)) {
+ entry = locate_object_entry(peeled);
+ if (entry)
+ entry->tagged = 1;
+ }
+ return 0;
+}
+
+static void add_to_write_order(struct object_entry **wo,
+ int *endp,
+ struct object_entry *e)
+{
+ if (e->filled)
+ return;
+ wo[(*endp)++] = e;
+ e->filled = 1;
+}
+
+static void add_descendants_to_write_order(struct object_entry **wo,
+ int *endp,
+ struct object_entry *e)
+{
+ struct object_entry *child;
+
+ for (child = e->delta_child; child; child = child->delta_sibling)
+ add_to_write_order(wo, endp, child);
+ for (child = e->delta_child; child; child = child->delta_sibling)
+ add_descendants_to_write_order(wo, endp, child);
+}
+
+static void add_family_to_write_order(struct object_entry **wo,
+ int *endp,
+ struct object_entry *e)
+{
+ struct object_entry *root;
+
+ for (root = e; root->delta; root = root->delta)
+ ; /* nothing */
+ add_to_write_order(wo, endp, root);
+ add_descendants_to_write_order(wo, endp, root);
+}
+
+static struct object_entry **compute_write_order(void)
+{
+ int i, wo_end;
+
+ struct object_entry **wo = xmalloc(nr_objects * sizeof(*wo));
+
+ for (i = 0; i < nr_objects; i++) {
+ objects[i].tagged = 0;
+ objects[i].filled = 0;
+ objects[i].delta_child = NULL;
+ objects[i].delta_sibling = NULL;
+ }
+
+ /*
+ * Fully connect delta_child/delta_sibling network.
+ * Make sure delta_sibling is sorted in the original
+ * recency order.
+ */
+ for (i = nr_objects - 1; 0 <= i; i--) {
+ struct object_entry *e = &objects[i];
+ if (!e->delta)
+ continue;
+ /* Mark me as the first child */
+ e->delta_sibling = e->delta->delta_child;
+ e->delta->delta_child = e;
+ }
+
+ /*
+ * Mark objects that are at the tip of tags.
+ */
+ for_each_tag_ref(mark_tagged, NULL);
+
+ /*
+ * Give the commits in the original recency order until
+ * we see a tagged tip.
+ */
+ for (i = wo_end = 0; i < nr_objects; i++) {
+ if (objects[i].tagged)
+ break;
+ add_to_write_order(wo, &wo_end, &objects[i]);
+ }
+
+ /*
+ * Then fill all the tagged tips.
+ */
+ for (; i < nr_objects; i++) {
+ if (objects[i].tagged)
+ add_to_write_order(wo, &wo_end, &objects[i]);
+ }
+
+ /*
+ * And then all remaining commits and tags.
+ */
+ for (i = 0; i < nr_objects; i++) {
+ if (objects[i].type != OBJ_COMMIT &&
+ objects[i].type != OBJ_TAG)
+ continue;
+ add_to_write_order(wo, &wo_end, &objects[i]);
+ }
+
+ /*
+ * And then all the trees.
+ */
+ for (i = 0; i < nr_objects; i++) {
+ if (objects[i].type != OBJ_TREE)
+ continue;
+ add_to_write_order(wo, &wo_end, &objects[i]);
+ }
+
+ /*
+ * Finally all the rest in really tight order
+ */
+ for (i = 0; i < nr_objects; i++)
+ add_family_to_write_order(wo, &wo_end, &objects[i]);
+
+ return wo;
+}
+
static void write_pack_file(void)
{
uint32_t i = 0, j;
struct pack_header hdr;
uint32_t nr_remaining = nr_result;
time_t last_mtime = 0;
+ struct object_entry **write_order;
if (progress > pack_to_stdout)
progress_state = start_progress("Writing objects", nr_result);
written_list = xmalloc(nr_objects * sizeof(*written_list));
+ write_order = compute_write_order();
do {
unsigned char sha1[20];
offset = sizeof(hdr);
nr_written = 0;
for (; i < nr_objects; i++) {
- if (!write_one(f, objects + i, &offset))
+ struct object_entry *e = write_order[i];
+ if (!write_one(f, e, &offset))
break;
display_progress(progress_state, written);
}
const char *idx_tmp_name;
char tmpname[PATH_MAX];
- idx_tmp_name = write_idx_file(NULL, written_list,
- nr_written, sha1);
+ idx_tmp_name = write_idx_file(NULL, written_list, nr_written,
+ &pack_idx_opts, sha1);
snprintf(tmpname, sizeof(tmpname), "%s-%s.pack",
base_name, sha1_to_hex(sha1));
} while (nr_remaining && i < nr_objects);
free(written_list);
+ free(write_order);
stop_progress(&progress_state);
if (written != nr_result)
die("wrote %"PRIu32" objects while expecting %"PRIu32,
struct git_attr_check check[1];
setup_delta_attr_check(check);
- if (git_checkattr(path, ARRAY_SIZE(check), check))
+ if (git_check_attr(path, ARRAY_SIZE(check), check))
return 0;
if (ATTR_FALSE(check->value))
return 1;
const unsigned char *base_ref = NULL;
struct object_entry *base_entry;
unsigned long used, used_0;
- unsigned int avail;
+ unsigned long avail;
off_t ofs;
unsigned char *buf, c;
return 0;
}
if (!strcmp(k, "pack.indexversion")) {
- pack_idx_default_version = git_config_int(k, v);
- if (pack_idx_default_version > 2)
+ pack_idx_opts.version = git_config_int(k, v);
+ if (pack_idx_opts.version > 2)
die("bad pack.indexversion=%"PRIu32,
- pack_idx_default_version);
+ pack_idx_opts.version);
return 0;
}
if (!strcmp(k, "pack.packsizelimit")) {
commit->object.flags |= OBJECT_ADDED;
}
- static void show_object(struct object *obj, const struct name_path *path, const char *last)
+ static void show_object(struct object *obj,
+ const struct name_path *path, const char *last,
+ void *data)
{
char *name = path_name(path, last);
rp_av[1] = "--objects"; /* --thin will make it --objects-edge */
rp_ac = 2;
+ reset_pack_idx_option(&pack_idx_opts);
git_config(git_pack_config, NULL);
if (!pack_compression_seen && core_compression_seen)
pack_compression_level = core_compression_level;
}
if (!prefixcmp(arg, "--index-version=")) {
char *c;
- pack_idx_default_version = strtoul(arg + 16, &c, 10);
- if (pack_idx_default_version > 2)
+ pack_idx_opts.version = strtoul(arg + 16, &c, 10);
+ if (pack_idx_opts.version > 2)
die("bad %s", arg);
if (*c == ',')
- pack_idx_off32_limit = strtoul(c+1, &c, 0);
- if (*c || pack_idx_off32_limit & 0x80000000)
+ pack_idx_opts.off32_limit = strtoul(c+1, &c, 0);
+ if (*c || pack_idx_opts.off32_limit & 0x80000000)
die("bad %s", arg);
continue;
}
* to filter the result of "A..B" further to the ones that can actually
* reach A.
*/
-static struct commit_list *collect_bottom_commits(struct commit_list *list)
+static struct commit_list *collect_bottom_commits(struct rev_info *revs)
{
- struct commit_list *elem, *bottom = NULL;
- for (elem = list; elem; elem = elem->next)
- if (elem->item->object.flags & UNINTERESTING)
- commit_list_insert(elem->item, &bottom);
+ struct commit_list *bottom = NULL;
+ int i;
+ for (i = 0; i < revs->cmdline.nr; i++) {
+ struct rev_cmdline_entry *elem = &revs->cmdline.rev[i];
+ if ((elem->flags & UNINTERESTING) &&
+ elem->item->type == OBJ_COMMIT)
+ commit_list_insert((struct commit *)elem->item, &bottom);
+ }
return bottom;
}
struct commit_list *bottom = NULL;
if (revs->ancestry_path) {
- bottom = collect_bottom_commits(list);
+ bottom = collect_bottom_commits(revs);
if (!bottom)
die("--ancestry-path given but there are no bottom commits");
}
return 0;
}
+static void add_rev_cmdline(struct rev_info *revs,
+ struct object *item,
+ const char *name,
+ int whence,
+ unsigned flags)
+{
+ struct rev_cmdline_info *info = &revs->cmdline;
+ int nr = info->nr;
+
+ ALLOC_GROW(info->rev, nr + 1, info->alloc);
+ info->rev[nr].item = item;
+ info->rev[nr].name = name;
+ info->rev[nr].whence = whence;
+ info->rev[nr].flags = flags;
+ info->nr++;
+}
+
struct all_refs_cb {
int all_flags;
int warned_bad_reflog;
struct all_refs_cb *cb = cb_data;
struct object *object = get_reference(cb->all_revs, path, sha1,
cb->all_flags);
+ add_rev_cmdline(cb->all_revs, object, path, REV_CMD_REF, cb->all_flags);
add_pending_object(cb->all_revs, object, path);
return 0;
}
struct object *o = parse_object(sha1);
if (o) {
o->flags |= cb->all_flags;
+ /* ??? CMDLINEFLAGS ??? */
add_pending_object(cb->all_revs, o, "");
}
else if (!cb->warned_bad_reflog) {
for_each_reflog(handle_one_reflog, &cb);
}
-static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
+static int add_parents_only(struct rev_info *revs, const char *arg_, int flags)
{
unsigned char sha1[20];
struct object *it;
struct commit *commit;
struct commit_list *parents;
+ const char *arg = arg_;
if (*arg == '^') {
flags ^= UNINTERESTING;
for (parents = commit->parents; parents; parents = parents->next) {
it = &parents->item->object;
it->flags |= flags;
+ add_rev_cmdline(revs, it, arg_, REV_CMD_PARENTS_ONLY, flags);
add_pending_object(revs, it, arg);
}
return 1;
revs->limited = 1;
}
-int handle_revision_arg(const char *arg, struct rev_info *revs,
+int handle_revision_arg(const char *arg_, struct rev_info *revs,
int flags,
int cant_be_filename)
{
struct object *object;
unsigned char sha1[20];
int local_flags;
+ const char *arg = arg_;
dotdot = strstr(arg, "..");
if (dotdot) {
const char *this = arg;
int symmetric = *next == '.';
unsigned int flags_exclude = flags ^ UNINTERESTING;
+ unsigned int a_flags;
*dotdot = 0;
next += symmetric;
add_pending_commit_list(revs, exclude,
flags_exclude);
free_commit_list(exclude);
- a->object.flags |= flags | SYMMETRIC_LEFT;
+ a_flags = flags | SYMMETRIC_LEFT;
} else
- a->object.flags |= flags_exclude;
+ a_flags = flags_exclude;
+ a->object.flags |= a_flags;
b->object.flags |= flags;
+ add_rev_cmdline(revs, &a->object, this,
+ REV_CMD_LEFT, a_flags);
+ add_rev_cmdline(revs, &b->object, next,
+ REV_CMD_RIGHT, flags);
add_pending_object(revs, &a->object, this);
add_pending_object(revs, &b->object, next);
return 0;
if (!cant_be_filename)
verify_non_filename(revs->prefix, arg);
object = get_reference(revs, arg, sha1, flags ^ local_flags);
+ add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags);
add_pending_object_with_mode(revs, object, arg, mode);
return 0;
}
revs->tree_objects = 1;
revs->blob_objects = 1;
revs->edge_hint = 1;
+ } else if (!strcmp(arg, "--verify-objects")) {
+ revs->tag_objects = 1;
+ revs->tree_objects = 1;
+ revs->blob_objects = 1;
+ revs->verify_objects = 1;
} else if (!strcmp(arg, "--unpacked")) {
revs->unpacked = 1;
} else if (!prefixcmp(arg, "--unpacked=")) {
struct log_info;
struct string_list;
+struct rev_cmdline_info {
+ unsigned int nr;
+ unsigned int alloc;
+ struct rev_cmdline_entry {
+ struct object *item;
+ const char *name;
+ enum {
+ REV_CMD_REF,
+ REV_CMD_PARENTS_ONLY,
+ REV_CMD_LEFT,
+ REV_CMD_RIGHT,
+ REV_CMD_REV
+ } whence;
+ unsigned flags;
+ } *rev;
+};
+
struct rev_info {
/* Starting list */
struct commit_list *commits;
/* Parents of shown commits */
struct object_array boundary_commits;
+ /* The end-points specified by the end user */
+ struct rev_cmdline_info cmdline;
+
/* Basic information */
const char *prefix;
const char *def;
tag_objects:1,
tree_objects:1,
blob_objects:1,
+ verify_objects:1,
edge_hint:1,
limited:1,
unpacked:1,
--- /dev/null
- git fetch ../.git master
+#!/bin/sh
+
+test_description='fetch/receive strict mode'
+. ./test-lib.sh
+
+test_expect_success setup '
+ echo hello >greetings &&
+ git add greetings &&
+ git commit -m greetings &&
+
+ S=$(git rev-parse :greetings | sed -e "s|^..|&/|") &&
+ X=$(echo bye | git hash-object -w --stdin | sed -e "s|^..|&/|") &&
+ mv -f .git/objects/$X .git/objects/$S &&
+
+ test_must_fail git fsck
+'
+
+test_expect_success 'fetch without strict' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config fetch.fsckobjects false &&
+ git config transfer.fsckobjects false &&
- git fetch ../.git master
++ test_must_fail git fetch ../.git master
+ )
+'
+
+test_expect_success 'fetch with !fetch.fsckobjects' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config fetch.fsckobjects false &&
+ git config transfer.fsckobjects true &&
++ test_must_fail git fetch ../.git master
+ )
+'
+
+test_expect_success 'fetch with fetch.fsckobjects' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config fetch.fsckobjects true &&
+ git config transfer.fsckobjects false &&
+ test_must_fail git fetch ../.git master
+ )
+'
+
+test_expect_success 'fetch with transfer.fsckobjects' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config transfer.fsckobjects true &&
+ test_must_fail git fetch ../.git master
+ )
+'
+
+test_expect_success 'push without strict' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config fetch.fsckobjects false &&
+ git config transfer.fsckobjects false
+ ) &&
+ git push dst master:refs/heads/test
+'
+
+test_expect_success 'push with !receive.fsckobjects' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config receive.fsckobjects false &&
+ git config transfer.fsckobjects true
+ ) &&
+ git push dst master:refs/heads/test
+'
+
+test_expect_success 'push with receive.fsckobjects' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config receive.fsckobjects true &&
+ git config transfer.fsckobjects false
+ ) &&
+ test_must_fail git push dst master:refs/heads/test
+'
+
+test_expect_success 'push with transfer.fsckobjects' '
+ rm -rf dst &&
+ git init dst &&
+ (
+ cd dst &&
+ git config transfer.fsckobjects true
+ ) &&
+ test_must_fail git push dst master:refs/heads/test
+'
+
+test_done
#include "revision.h"
#include "list-objects.h"
#include "run-command.h"
+#include "sigchain.h"
static const char upload_pack_usage[] = "git upload-pack [--strict] [--timeout=<n>] <dir>";
commit->buffer = NULL;
}
- static void show_object(struct object *obj, const struct name_path *path, const char *component)
+ static void show_object(struct object *obj,
+ const struct name_path *path, const char *component,
+ void *cb_data)
{
show_object_with_name(pack_pipe, obj, path, component);
}
}
}
+static void check_non_tip(void)
+{
+ static const char *argv[] = {
+ "rev-list", "--stdin", NULL,
+ };
+ static struct child_process cmd;
+ struct object *o;
+ char namebuf[42]; /* ^ + SHA-1 + LF */
+ int i;
+
+ /* In the normal in-process case non-tip request can never happen */
+ if (!stateless_rpc)
+ goto error;
+
+ cmd.argv = argv;
+ cmd.git_cmd = 1;
+ cmd.no_stderr = 1;
+ cmd.in = -1;
+ cmd.out = -1;
+
+ if (start_command(&cmd))
+ goto error;
+
+ /*
+ * If rev-list --stdin encounters an unknown commit, it
+ * terminates, which will cause SIGPIPE in the write loop
+ * below.
+ */
+ sigchain_push(SIGPIPE, SIG_IGN);
+
+ namebuf[0] = '^';
+ namebuf[41] = '\n';
+ for (i = get_max_object_index(); 0 < i; ) {
+ o = get_indexed_object(--i);
+ if (!o)
+ continue;
+ if (!(o->flags & OUR_REF))
+ continue;
+ memcpy(namebuf + 1, sha1_to_hex(o->sha1), 40);
+ if (write_in_full(cmd.in, namebuf, 42) < 0)
+ goto error;
+ }
+ namebuf[40] = '\n';
+ for (i = 0; i < want_obj.nr; i++) {
+ o = want_obj.objects[i].item;
+ if (o->flags & OUR_REF)
+ continue;
+ memcpy(namebuf, sha1_to_hex(o->sha1), 40);
+ if (write_in_full(cmd.in, namebuf, 41) < 0)
+ goto error;
+ }
+ close(cmd.in);
+
+ sigchain_pop(SIGPIPE);
+
+ /*
+ * The commits out of the rev-list are not ancestors of
+ * our ref.
+ */
+ i = read_in_full(cmd.out, namebuf, 1);
+ if (i)
+ goto error;
+ close(cmd.out);
+
+ /*
+ * rev-list may have died by encountering a bad commit
+ * in the history, in which case we do want to bail out
+ * even when it showed no commit.
+ */
+ if (finish_command(&cmd))
+ goto error;
+
+ /* All the non-tip ones are ancestors of what we advertised */
+ return;
+
+error:
+ /* Pick one of them (we know there at least is one) */
+ for (i = 0; i < want_obj.nr; i++) {
+ o = want_obj.objects[i].item;
+ if (!(o->flags & OUR_REF))
+ die("git upload-pack: not our ref %s",
+ sha1_to_hex(o->sha1));
+ }
+}
+
static void receive_needs(void)
{
struct object_array shallows = OBJECT_ARRAY_INIT;
static char line[1000];
int len, depth = 0;
+ int has_non_tip = 0;
shallow_nr = 0;
if (debug_fd)
if (strstr(line+45, "include-tag"))
use_include_tag = 1;
- /* We have sent all our refs already, and the other end
- * should have chosen out of them; otherwise they are
- * asking for nonsense.
- *
- * Hmph. We may later want to allow "want" line that
- * asks for something like "master~10" (symbolic)...
- * would it make sense? I don't know.
- */
o = lookup_object(sha1_buf);
- if (!o || !(o->flags & OUR_REF))
+ if (!o)
die("git upload-pack: not our ref %s",
sha1_to_hex(sha1_buf));
if (!(o->flags & WANTED)) {
o->flags |= WANTED;
+ if (!(o->flags & OUR_REF))
+ has_non_tip = 1;
add_object_array(o, NULL, &want_obj);
}
}
if (debug_fd)
write_str_in_full(debug_fd, "#E\n");
+ /*
+ * We have sent all our refs already, and the other end
+ * should have chosen out of them. When we are operating
+ * in the stateless RPC mode, however, their choice may
+ * have been based on the set of older refs advertised
+ * by another process that handled the initial request.
+ */
+ if (has_non_tip)
+ check_non_tip();
+
if (!use_sideband && daemon_mode)
no_progress = 1;
" side-band-64k ofs-delta shallow no-progress"
" include-tag multi_ack_detailed";
struct object *o = parse_object(sha1);
+ const char *refname_nons = strip_namespace(refname);
if (!o)
die("git upload-pack: cannot find object %s:", sha1_to_hex(sha1));
if (capabilities)
- packet_write(1, "%s %s%c%s%s\n", sha1_to_hex(sha1), refname,
+ packet_write(1, "%s %s%c%s%s\n", sha1_to_hex(sha1), refname_nons,
0, capabilities,
stateless_rpc ? " no-done" : "");
else
- packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname);
+ packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname_nons);
capabilities = NULL;
if (!(o->flags & OUR_REF)) {
o->flags |= OUR_REF;
if (o->type == OBJ_TAG) {
o = deref_tag(o, refname, 0);
if (o)
- packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname);
+ packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname_nons);
}
return 0;
}
{
if (advertise_refs || !stateless_rpc) {
reset_timeout();
- head_ref(send_ref, NULL);
- for_each_ref(send_ref, NULL);
+ head_ref_namespaced(send_ref, NULL);
+ for_each_namespaced_ref(send_ref, NULL);
packet_flush(1);
} else {
- head_ref(mark_our_ref, NULL);
- for_each_ref(mark_our_ref, NULL);
+ head_ref_namespaced(mark_our_ref, NULL);
+ for_each_namespaced_ref(mark_our_ref, NULL);
}
if (advertise_refs)
return;