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split local and remote function handlers from each other.

/*	$OpenBSD: remove.c,v 1.18 2005/07/08 16:03:38 joris Exp $	*/
/*
 * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
 * Copyright (c) 2004 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 <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	force_remove = 0;	/* -f option */

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,
			    CVS_FILE_NAME(cf));
		else
			ret = cvs_senddir(root, cf);

		if (ret == -1)
			ret = CVS_EX_PROTO;
		return (ret);
	}

	cvs_file_getpath(cf, fpath, sizeof(fpath));

	/* if -f option is used, physically remove the file */
	if ((force_remove == 1) && !cvs_noexec) {
		if((unlink(fpath) == -1) && (errno != ENOENT)) {
			cvs_log(LP_ERRNO,
			    "failed to unlink `%s'", fpath);
			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 (cvs_sendreq(root, CVS_REQ_MODIFIED,
		    CVS_FILE_NAME(cf)) < 0) {
			return (CVS_EX_PROTO);
		}

		if (cvs_sendfile(root, fpath) < 0)
			return (CVS_EX_PROTO);
	}

	return (0);
}

static int
cvs_remove_local(CVSFILE *cf, void *arg)
{
	cvs_log(LP_INFO, "scheduling file `%s' for removal", cf->cf_name);
	cvs_log(LP_INFO, "use `%s commit' to remove this file permanently",
	    __progname);

	return (0);
}