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#include "cache.h"
#include "run-command.h"
#include "sigchain.h"
#include "connected.h"
#include "transport.h"
int check_everything_connected(sha1_iterate_fn fn, int quiet, void *cb_data)
return check_everything_connected_with_transport(fn, quiet, cb_data, NULL);
* If we feed all the commits we want to verify to this command
* $ git rev-list --objects --stdin --not --all
* and if it does not error out, that means everything reachable from
* these commits locally exists and is connected to our existing refs.
* Note that this does _not_ validate the individual objects.
* Returns 0 if everything is connected, non-zero otherwise.
static int check_everything_connected_real(sha1_iterate_fn fn,
int quiet,
void *cb_data,
struct transport *transport,
const char *shallow_file)
struct child_process rev_list = CHILD_PROCESS_INIT;
char commit[41];
unsigned char sha1[20];
int err = 0;
struct packed_git *new_pack = NULL;
size_t base_len;
if (fn(cb_data, sha1))
return err;
if (transport && transport->smart_options &&
transport->smart_options->self_contained_and_connected &&
transport->pack_lockfile &&
strip_suffix(transport->pack_lockfile, ".keep", &base_len)) {
struct strbuf idx_file = STRBUF_INIT;
strbuf_add(&idx_file, transport->pack_lockfile, base_len);
strbuf_addstr(&idx_file, ".idx");
new_pack = add_packed_git(idx_file.buf, idx_file.len, 1);
if (shallow_file) {
argv_array_push(&rev_list.args, "--shallow-file");
argv_array_push(&rev_list.args, shallow_file);
argv_array_push(&rev_list.args, "rev-list");
argv_array_push(&rev_list.args, "--objects");
argv_array_push(&rev_list.args, "--stdin");
argv_array_push(&rev_list.args, "--not");
argv_array_push(&rev_list.args, "--all");
argv_array_push(&rev_list.args, "--alternate-refs");
if (quiet)
argv_array_push(&rev_list.args, "--quiet");
rev_list.git_cmd = 1; = -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);
commit[40] = '\n';
do {
* If index-pack already checked that:
* - there are no dangling pointers in the new pack
* - the pack is self contained
* Then if the updated ref is in the new pack, then we
* are sure the ref is good and not sending it to
* rev-list for verification.
if (new_pack && find_pack_entry_one(sha1, new_pack))
memcpy(commit, sha1_to_hex(sha1), 40);
if (write_in_full(, commit, 41) < 0) {
if (errno != EPIPE && errno != EINVAL)
error(_("failed write to rev-list: %s"),
err = -1;
} while (!fn(cb_data, sha1));
if (close( {
error(_("failed to close rev-list's stdin: %s"), strerror(errno));
err = -1;
return finish_command(&rev_list) || err;
int check_everything_connected_with_transport(sha1_iterate_fn fn,
int quiet,
void *cb_data,
struct transport *transport)
return check_everything_connected_real(fn, quiet, cb_data,
transport, NULL);
int check_shallow_connected(sha1_iterate_fn fn, int quiet, void *cb_data,
const char *shallow_file)
return check_everything_connected_real(fn, quiet, cb_data,
NULL, shallow_file);
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