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let's move forward with the local add command;

/*	$OpenBSD: add.c,v 1.28 2005/09/05 19:49:31 xsa Exp $	*/
/*
 * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
 * Copyright (c) 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 <errno.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_add_remote(CVSFILE *, void *);
static int	cvs_add_local(CVSFILE *, void *);
static int	cvs_add_init(struct cvs_cmd *, int, char **, int *);
static int	cvs_add_pre_exec(struct cvsroot *);
#if 0
static int	cvs_add_build_entry(CVSFILE *);
#endif

struct cvs_cmd cvs_cmd_add = {
	CVS_OP_ADD, CVS_REQ_ADD, "add",
	{ "ad", "new" },
	"Add a new file/directory to the repository",
	"[-k mode] [-m msg] file ...",
	"k:m:",
	NULL,
	0,
	cvs_add_init,
	cvs_add_pre_exec,
	cvs_add_remote,
	cvs_add_local,
	NULL,
	NULL,
	CVS_CMD_ALLOWSPEC | CVS_CMD_SENDDIR | CVS_CMD_SENDARGS2
};

static int kflag = RCS_KWEXP_DEFAULT;
static char *koptstr;
static char kbuf[16];

static int
cvs_add_init(struct cvs_cmd *cmd, int argc, char **argv, int *arg)
{
	int ch;

	cvs_msg = NULL;

	while ((ch = getopt(argc, argv, cmd->cmd_opts)) != -1) {
		switch (ch) {
		case 'k':
			koptstr = optarg;
			kflag = rcs_kflag_get(koptstr);
			if (RCS_KWEXP_INVAL(kflag)) {
				cvs_log(LP_ERR,
				    "invalid RCS keyword expansion mode");
				rcs_kflag_usage();
				return (CVS_EX_USAGE);
			}
			break;
		case 'm':
			if ((cvs_msg = strdup(optarg)) == NULL) {
				cvs_log(LP_ERRNO, "failed to copy message");
				return (CVS_EX_DATA);
			}
			break;
		default:
			return (CVS_EX_USAGE);
		}
	}

	*arg = optind;
	return (0);
}

static int
cvs_add_pre_exec(struct cvsroot *root)
{
	kbuf[0] = '\0';

	if (kflag != RCS_KWEXP_DEFAULT) {
		strlcpy(kbuf, "-k", sizeof(kbuf));
		strlcat(kbuf, koptstr, sizeof(kbuf));

		if (root->cr_method != CVS_METHOD_LOCAL) {
			if (cvs_sendarg(root, kbuf, 0) < 0)
				return (CVS_EX_PROTO);
		}
	}

	return (0);
}

static int
cvs_add_remote(CVSFILE *cf, void *arg)
{
	int ret;
	struct cvsroot *root;

	ret = 0;
	root = CVS_DIR_ROOT(cf);

	if (cf->cf_type == DT_DIR) {
		ret = cvs_senddir(root, cf);
		if (ret == -1)
			ret = CVS_EX_PROTO;
		return (ret);
	}

	if (cf->cf_cvstat == CVS_FST_UNKNOWN)
		ret = cvs_sendreq(root, CVS_REQ_ISMODIFIED,
		    cf->cf_name);

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

	return (ret);
}

static int
cvs_add_local(CVSFILE *cf, void *arg)
{
	int added;
	char numbuf[64];

	added = 0;

	if ((!(cf->cf_flags & CVS_FILE_ONDISK)) &&
	    (cf->cf_cvstat != CVS_FST_LOST) &&
	    (cf->cf_cvstat != CVS_FST_REMOVED)) {
		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 (verbosity > 1)
			cvs_log(LP_WARN, "`%s' has already been entered",
			    cf->cf_name);
		return (0);
	} else if (cf->cf_cvstat == CVS_FST_REMOVED) {

		/* XXX remove '-' from CVS/Entries */

		/* XXX check the file out */

		rcsnum_tostr(cf->cf_lrev, numbuf, sizeof(numbuf));
		cvs_log(LP_WARN, "%s, version %s, resurrected",
		    cf->cf_name, numbuf);

		return (0);
	} else if ((cf->cf_cvstat == CVS_FST_CONFLICT) ||
	    (cf->cf_cvstat == CVS_FST_LOST) || 
	    (cf->cf_cvstat == CVS_FST_MODIFIED) ||
	    (cf->cf_cvstat == CVS_FST_UPTODATE)) {
		if (verbosity > 1) {
			rcsnum_tostr(cf->cf_lrev, numbuf, sizeof(numbuf));
			cvs_log(LP_WARN,
			    "%s already exists, with version number %s",
			    cf->cf_name, numbuf);
		}
		return (0);
	}

	if (verbosity > 1) {
		cvs_log(LP_NOTICE, "scheduling file `%s' for addition",
		    cf->cf_name);
		added++;
	}

	if (added != 0) {
		if (verbosity > 0)
			cvs_log(LP_NOTICE, "use '%s commit' to add %s "
			    "permanently", __progname,
			    (added == 1) ? "this file" : "these files");
		return (0);
	}

	return (0);
}

#if 0
static int
cvs_add_build_entry(CVSFILE *cf)
{
	int l;
	char entry[CVS_ENT_MAXLINELEN], path[MAXPATHLEN];
	FILE *fp;
	CVSENTRIES *entf;
	struct cvs_ent *ent;

	entf = (CVSENTRIES *)cf->cf_entry;

	if (cvs_noexec == 1)
		return (0);

	/* Build the path to the <file>,t file. */
	l = snprintf(path, sizeof(path), "%s/%s%s",
	    CVS_PATH_CVSDIR, cf->cf_name, CVS_DESCR_FILE_EXT);
	if (l == -1 || l >= (int)sizeof(path)) {
		errno = ENAMETOOLONG;
		cvs_log(LP_ERRNO, "%s", path);
		return (CVS_EX_DATA);
	}

	fp = fopen(path, "w+");
	if (fp == NULL) {
		cvs_log(LP_ERRNO, "failed to open `%s'", path);
		return (CVS_EX_FILE);
	}

	if (cvs_msg != NULL) {
		if (fputs(cvs_msg, fp) == EOF) {
			cvs_log(LP_ERRNO, "cannot write to `%s'", path);
			(void)fclose(fp);
			return (CVS_EX_FILE);
		}
	}
	(void)fclose(fp);

	/* XXX Build the Entries line. */
	l = snprintf(entry, sizeof(entry), "/%s/0/Initial %s/%s/",
	    cf->cf_name, cf->cf_name, kbuf);
	if (l == -1 || l >= (int)sizeof(entry)) {
		errno = ENAMETOOLONG;
		cvs_log(LP_ERRNO, "%s", entry);
		(void)cvs_unlink(path);
		return (CVS_EX_DATA);
	}

	if ((ent = cvs_ent_parse(entry)) == NULL) {
		cvs_log(LP_ERR, "failed to parse entry");
		(void)cvs_unlink(path);
		return (CVS_EX_DATA);
	}	

	if (cvs_ent_add(entf, ent) < 0) {
		cvs_log(LP_ERR, "failed to add entry");
		(void)cvs_unlink(path);
		return (CVS_EX_DATA);
	}

	return (0);
}
#endif