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/* $OpenBSD: repository.c,v 1.2 2006/05/27 15:14:27 joris Exp $ */
/*
* Copyright (c) 2006 Joris Vink <joris@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "includes.h"
#include "cvs.h"
#include "file.h"
#include "log.h"
#include "repository.h"
#include "worklist.h"
struct cvs_wklhead repo_locks;
void
cvs_repository_unlock(const char *repo)
{
int l;
char fpath[MAXPATHLEN];
cvs_log(LP_TRACE, "cvs_repository_unlock(%s)", repo);
l = snprintf(fpath, sizeof(fpath), "%s/%s", repo, CVS_LOCK);
if (l == -1 || l >= (int)sizeof(fpath))
fatal("cvs_repository_unlock: overflow");
/* XXX - this ok? */
cvs_worklist_run(&repo_locks, cvs_worklist_unlink);
}
void
cvs_repository_lock(const char *repo)
{
int l, i;
uid_t myuid;
struct stat st;
char fpath[MAXPATHLEN];
struct passwd *pw;
cvs_log(LP_TRACE, "cvs_repository_lock(%s)", repo);
l = snprintf(fpath, sizeof(fpath), "%s/%s", repo, CVS_LOCK);
if (l == -1 || l >= (int)sizeof(fpath))
fatal("cvs_repository_lock: overflow");
myuid = getuid();
for (i = 0; i < CVS_LOCK_TRIES; i++) {
if (cvs_quit)
fatal("received signal %d", sig_received);
if (stat(fpath, &st) == -1)
break;
if ((pw = getpwuid(st.st_uid)) == NULL)
fatal("cvs_repository_lock: %s", strerror(errno));
cvs_log(LP_NOTICE, "waiting for %s's lock in '%s'",
pw->pw_name, repo);
sleep(CVS_LOCK_SLEEP);
}
if (i == CVS_LOCK_TRIES)
fatal("maximum wait time for lock inside '%s' reached", repo);
if ((i = open(fpath, O_WRONLY|O_CREAT|O_TRUNC, 0755)) < 0) {
if (errno == EEXIST)
fatal("cvs_repository_lock: somebody beat us");
else
fatal("cvs_repostitory_lock: %s: %s",
fpath, strerror(errno));
}
(void)close(i);
cvs_worklist_add(fpath, &repo_locks);
}
void
cvs_repository_getdir(const char *dir, const char *wdir,
struct cvs_flisthead *fl, struct cvs_flisthead *dl, int dodirs)
{
int l;
DIR *dirp;
struct dirent *dp;
char *s, fpath[MAXPATHLEN];
if ((dirp = opendir(dir)) == NULL)
fatal("cvs_repository_getdir: failed to open '%s'", dir);
while ((dp = readdir(dirp)) != NULL) {
if (!strcmp(dp->d_name, ".") ||
!strcmp(dp->d_name, "..") ||
!strcmp(dp->d_name, "Attic") ||
!strcmp(dp->d_name, CVS_LOCK))
continue;
if (cvs_file_chkign(dp->d_name))
continue;
if (dodirs == 0 && dp->d_type == DT_DIR)
continue;
l = snprintf(fpath, sizeof(fpath), "%s/%s", wdir, dp->d_name);
if (l == -1 || l >= (int)sizeof(fpath))
fatal("cvs_repository_getdir: overflow");
/*
* Anticipate the file type for sorting, we do not determine
* the final file type until we have the fd floating around.
*/
if (dp->d_type == DT_DIR) {
cvs_file_get(fpath, dl);
} else if (dp->d_type == DT_REG) {
if ((s = strrchr(fpath, ',')) != NULL)
*s = '\0';
cvs_file_get(fpath, fl);
}
}
(void)closedir(dirp);
}
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