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/* $OpenBSD: remove.c,v 1.37 2005/10/07 21:47:32 reyk Exp $ */
/*
* Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
* Copyright (c) 2004, 2005 Xavier Santolaria <xsa@openbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "cvs.h"
#include "log.h"
#include "proto.h"
extern char *__progname;
static int cvs_remove_init(struct cvs_cmd *, int, char **, int *);
static int cvs_remove_remote(CVSFILE *, void *);
static int cvs_remove_local(CVSFILE *, void *);
static int cvs_remove_file(const char *);
static int force_remove = 0; /* -f option */
static int nuked = 0;
struct cvs_cmd cvs_cmd_remove = {
CVS_OP_REMOVE, CVS_REQ_REMOVE, "remove",
{ "rm", "delete" },
"Remove an entry from the repository",
"[-flR] [file ...]",
"flR",
NULL,
CF_IGNORE | CF_RECURSE,
cvs_remove_init,
NULL,
cvs_remove_remote,
cvs_remove_local,
NULL,
NULL,
CVS_CMD_SENDDIR | CVS_CMD_SENDARGS2 | CVS_CMD_ALLOWSPEC
};
static int
cvs_remove_init(struct cvs_cmd *cmd, int argc, char **argv, int *arg)
{
int ch;
while ((ch = getopt(argc, argv, cmd->cmd_opts)) != -1) {
switch (ch) {
case 'f':
force_remove = 1;
break;
case 'l':
cmd->file_flags &= ~CF_RECURSE;
break;
case 'R':
cmd->file_flags |= CF_RECURSE;
break;
default:
return (CVS_EX_USAGE);
}
}
argc -= optind;
argv += optind;
*arg = optind;
return (0);
}
static int
cvs_remove_remote(CVSFILE *cf, void *arg)
{
int ret;
char fpath[MAXPATHLEN];
struct cvsroot *root;
ret = 0;
root = CVS_DIR_ROOT(cf);
if (cf->cf_type == DT_DIR) {
if (cf->cf_cvstat == CVS_FST_UNKNOWN)
ret = cvs_sendreq(root, CVS_REQ_QUESTIONABLE,
cf->cf_name);
else
ret = cvs_senddir(root, cf);
if (ret == -1)
ret = CVS_EX_PROTO;
return (ret);
}
cvs_file_getpath(cf, fpath, sizeof(fpath));
if (cvs_remove_file(fpath) < 0)
return (CVS_EX_FILE);
if (cvs_sendentry(root, cf) < 0)
return (CVS_EX_PROTO);
if (cf->cf_cvstat != CVS_FST_LOST && force_remove != 1) {
if (cf->cf_cvstat != CVS_FST_ADDED) {
if (cvs_sendreq(root, CVS_REQ_MODIFIED,
cf->cf_name) < 0) {
return (CVS_EX_PROTO);
}
}
if (cf->cf_flags & CVS_FILE_ONDISK) {
if (cvs_sendfile(root, fpath) < 0)
return (CVS_EX_PROTO);
}
}
return (0);
}
static int
cvs_remove_local(CVSFILE *cf, void *arg)
{
int existing, l, removed;
char buf[MAXPATHLEN], fpath[MAXPATHLEN];
CVSENTRIES *entf;
struct cvs_ent *ent;
existing = removed = 0;
entf = (CVSENTRIES *)cf->cf_entry;
if (cf->cf_type == DT_DIR) {
if (verbosity > 1)
cvs_log(LP_NOTICE, "Removing %s", cf->cf_name);
return (0);
}
if (cvs_cmdop != CVS_OP_SERVER) {
cvs_file_getpath(cf, fpath, sizeof(fpath));
if (cvs_remove_file(fpath) < 0)
return (CVS_EX_FILE);
}
if (nuked == 0) {
existing++;
if (verbosity > 1)
cvs_log(LP_WARN, "file `%s' still in working directory",
cf->cf_name);
} else if (cf->cf_cvstat == CVS_FST_UNKNOWN) {
if (verbosity > 1)
cvs_log(LP_WARN, "nothing known about `%s'",
cf->cf_name);
return (0);
} else if (cf->cf_cvstat == CVS_FST_ADDED) {
if (cvs_ent_remove(entf, cf->cf_name) == -1)
return (CVS_EX_FILE);
l = snprintf(buf, sizeof(buf), "%s/%s%s",
CVS_PATH_CVSDIR, cf->cf_name, CVS_DESCR_FILE_EXT);
if (l == -1 || l >= (int)sizeof(buf)) {
errno = ENAMETOOLONG;
cvs_log(LP_ERRNO, "%s", buf);
return (CVS_EX_DATA);
}
if (cvs_unlink(buf) == -1)
return (CVS_EX_FILE);
if (verbosity > 1)
cvs_log(LP_NOTICE, "removed `%s'", cf->cf_name);
return (0);
} else if (cf->cf_cvstat == CVS_FST_REMOVED) {
if (verbosity > 1 )
cvs_log(LP_WARN,
"file `%s' already scheduled for removal",
cf->cf_name);
return (0);
} else {
if ((ent = cvs_ent_get(entf, cf->cf_name)) == NULL)
return (CVS_EX_DATA);
/* Prefix revision with `-' */
ent->ce_status = CVS_ENT_REMOVED;
entf->cef_flags &= ~CVS_ENTF_SYNC;
if (verbosity > 1)
cvs_log(LP_NOTICE, "scheduling file `%s' for removal",
cf->cf_name);
removed++;
}
if (removed != 0) {
if (verbosity > 0)
cvs_log(LP_NOTICE, "use '%s commit' to remove %s "
"permanently", __progname,
(removed == 1) ? "this file" : "these files");
return (0);
}
if (existing != 0) {
cvs_log(LP_WARN, ((existing == 1) ?
"%d file exists; remove it first" :
"%d files exist; remove them first"), existing);
return (0);
}
return (0);
}
/*
* cvs_remove_file()
*
* Physically remove the file.
* Used by both remote and local handlers.
* Returns 0 on success, -1 on failure.
*/
static int
cvs_remove_file(const char *fpath)
{
struct stat st;
/* if -f option is used, physically remove the file */
if (force_remove == 1) {
if (cvs_unlink(fpath) == -1)
return (-1);
nuked++;
} else {
if ((stat(fpath, &st) == -1) && (errno == ENOENT))
nuked++;
}
return (0);
}
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