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Merge branch 'mh/tempfile'

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The "lockfile" API has been rebuilt on top of a new "tempfile" API.

* mh/tempfile:
  credential-cache--daemon: use tempfile module
  credential-cache--daemon: delete socket from main()
  gc: use tempfile module to handle gc.pid file
  lock_repo_for_gc(): compute the path to "gc.pid" only once
  diff: use tempfile module
  setup_temporary_shallow(): use tempfile module
  write_shared_index(): use tempfile module
  register_tempfile(): new function to handle an existing temporary file
  tempfile: add several functions for creating temporary files
  prepare_tempfile_object(): new function, extracted from create_tempfile()
  tempfile: a new module for handling temporary files
  commit_lock_file(): use get_locked_file_path()
  lockfile: add accessor get_lock_file_path()
  lockfile: add accessors get_lock_file_fd() and get_lock_file_fp()
  create_bundle(): duplicate file descriptor to avoid closing it twice
  lockfile: move documentation to lockfile.h and lockfile.c
This commit is contained in:
Junio C Hamano
2015-08-25 14:57:09 -07:00
parent 424f89f098 9e9033166b
commit db86e61cbb
18 changed files with 964 additions and 625 deletions
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41
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,
@ -267,8 +246,8 @@ void setup_alternate_shallow(struct lock_file *shallow_lock,
if (write_shallow_commits(&sb, 0, extra)) {
if (write_in_full(fd, sb.buf, sb.len) != sb.len)
die_errno("failed to write to %s",
shallow_lock->filename.buf);
*alternate_shallow_file = shallow_lock->filename.buf;
get_lock_file_path(shallow_lock));
*alternate_shallow_file = get_lock_file_path(shallow_lock);
} else
/*
* is_repository_shallow() sees empty string as "no
@ -314,7 +293,7 @@ void prune_shallow(int show_only)
if (write_shallow_commits_1(&sb, 0, NULL, SEEN_ONLY)) {
if (write_in_full(fd, sb.buf, sb.len) != sb.len)
die_errno("failed to write to %s",
shallow_lock.filename.buf);
get_lock_file_path(&shallow_lock));
commit_lock_file(&shallow_lock);
} else {
unlink(git_path_shallow());