Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

63 lines (54 sloc) 1.577 kb
#include "cache.h"
#include "run-command.h"
#include "sigchain.h"
#include "connected.h"
/*
* 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.
*/
int check_everything_connected(sha1_iterate_fn fn, int quiet, void *cb_data)
{
struct child_process rev_list;
const char *argv[] = {"rev-list", "--objects",
"--stdin", "--not", "--all", NULL, NULL};
char commit[41];
unsigned char sha1[20];
int err = 0;
if (fn(cb_data, sha1))
return err;
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);
commit[40] = '\n';
do {
memcpy(commit, sha1_to_hex(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;
}
} while (!fn(cb_data, sha1));
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;
}
Jump to Line
Something went wrong with that request. Please try again.