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setup_temporary_shallow(): use tempfile module

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Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2015-08-10 11:47:46 +02:00 committed by Junio C Hamano
parent f6ecc62dbf
commit 6e122b449b
1 changed files with 7 additions and 28 deletions
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35
shallow.c
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@ -1,4 +1,5 @@
#include "cache.h"
#include "tempfile.h"
#include "lockfile.h"
#include "commit.h"
#include "tag.h"
@ -208,50 +209,28 @@ int write_shallow_commits(struct strbuf *out, int use_pack_protocol,
return write_shallow_commits_1(out, use_pack_protocol, extra, 0);
}
static struct strbuf temporary_shallow = STRBUF_INIT;
static void remove_temporary_shallow(void)
{
if (temporary_shallow.len) {
unlink_or_warn(temporary_shallow.buf);
strbuf_reset(&temporary_shallow);
}
}
static void remove_temporary_shallow_on_signal(int signo)
{
remove_temporary_shallow();
sigchain_pop(signo);
raise(signo);
}
static struct tempfile temporary_shallow;
const char *setup_temporary_shallow(const struct sha1_array *extra)
{
struct strbuf sb = STRBUF_INIT;
int fd;
if (temporary_shallow.len)
die("BUG: attempt to create two temporary shallow files");
if (write_shallow_commits(&sb, 0, extra)) {
strbuf_addstr(&temporary_shallow, git_path("shallow_XXXXXX"));
fd = xmkstemp(temporary_shallow.buf);
atexit(remove_temporary_shallow);
sigchain_push_common(remove_temporary_shallow_on_signal);
fd = xmks_tempfile(&temporary_shallow, git_path("shallow_XXXXXX"));
if (write_in_full(fd, sb.buf, sb.len) != sb.len)
die_errno("failed to write to %s",
temporary_shallow.buf);
close(fd);
get_tempfile_path(&temporary_shallow));
close_tempfile(&temporary_shallow);
strbuf_release(&sb);
return temporary_shallow.buf;
return get_tempfile_path(&temporary_shallow);
}
/*
* is_repository_shallow() sees empty string as "no shallow
* file".
*/
return temporary_shallow.buf;
return get_tempfile_path(&temporary_shallow);
}
void setup_alternate_shallow(struct lock_file *shallow_lock,