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Sync revisions and time buffers size to be consistent with each others.
Simplifies further size tweaks if needed.
OK niallo@ ray@.

/*	$OpenBSD: add.c,v 1.78 2007/06/28 21:38:09 xsa Exp $	*/
/*
 * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
 * Copyright (c) 2005, 2006 Xavier Santolaria <xsa@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 <sys/stat.h>

#include <errno.h>
#include <string.h>
#include <unistd.h>

#include "cvs.h"
#include "remote.h"

extern char *__progname;

void	cvs_add_local(struct cvs_file *);
void	cvs_add_entry(struct cvs_file *);

static void add_directory(struct cvs_file *);
static void add_file(struct cvs_file *);
static void add_entry(struct cvs_file *);

static int	 kflag = RCS_KWEXP_DEFAULT;
static char	 kbuf[8], *koptstr;

char	*logmsg;

struct cvs_cmd cvs_cmd_add = {
	CVS_OP_ADD, 0, "add",
	{ "ad", "new" },
	"Add a new file or directory to the repository",
	"[-k mode] [-m message] ...",
	"k:m:",
	NULL,
	cvs_add
};

int
cvs_add(int argc, char **argv)
{
	int ch;
	int flags;
	struct cvs_recursion cr;

	flags = CR_REPO;

	while ((ch = getopt(argc, argv, cvs_cmd_add.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 expension mode");
				fatal("%s", cvs_cmd_add.cmd_synopsis);
			}
			(void)xsnprintf(kbuf, sizeof(kbuf), "-k%s", koptstr);
			break;
		case 'm':
			logmsg = xstrdup(optarg);
			break;
		default:
			fatal("%s", cvs_cmd_add.cmd_synopsis);
		}
	}

	argc -= optind;
	argv += optind;

	if (argc == 0)
		fatal("%s", cvs_cmd_add.cmd_synopsis);

	cr.enterdir = NULL;
	cr.leavedir = NULL;

	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
		cvs_client_connect_to_server();
		cr.fileproc = cvs_client_sendfile;

		if (kflag != RCS_KWEXP_DEFAULT)
			cvs_client_send_request("Argument %s", kbuf);

		if (logmsg != NULL)
			cvs_client_send_request("Argument -m%s", logmsg);
	} else {
		cr.fileproc = cvs_add_local;
	}

	cr.flags = flags;

	cvs_file_run(argc, argv, &cr);

	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
		cvs_client_send_files(argv, argc);
		cvs_client_senddir(".");
		cvs_client_send_request("add");
		cvs_client_get_responses();

		if (server_response == SERVER_OK) {
			cr.fileproc = cvs_add_entry;
			cvs_file_run(argc, argv, &cr);
		}
	}

	return (0);
}

void
cvs_add_entry(struct cvs_file *cf)
{
	char entry[CVS_ENT_MAXLINELEN];
	CVSENTRIES *entlist;

	if (cf->file_type == CVS_DIR) {
		(void)xsnprintf(entry, CVS_ENT_MAXLINELEN,
		    "D/%s/////", cf->file_name);

		entlist = cvs_ent_open(cf->file_wd);
		cvs_ent_add(entlist, entry);
		cvs_ent_close(entlist, ENT_SYNC);
	} else {
		add_entry(cf);
	}
}

void
cvs_add_local(struct cvs_file *cf)
{
	cvs_log(LP_TRACE, "cvs_add_local(%s)", cf->file_path);

	cvs_file_classify(cf, NULL);

	/* dont use `cvs add *' */
	if (strcmp(cf->file_name, ".") == 0 ||
	    strcmp(cf->file_name, "..") == 0 ||
	    strcmp(cf->file_name, CVS_PATH_CVSDIR) == 0) {
		if (verbosity > 1)
			cvs_log(LP_ERR,
			    "cannot add special file `%s'; skipping",
			    cf->file_name);
		return;
	}

	if (cf->file_type == CVS_DIR)
		add_directory(cf);
	else
		add_file(cf);
}

static void
add_directory(struct cvs_file *cf)
{
	int added, nb;
	struct stat st;
	CVSENTRIES *entlist;
	char *date, entry[MAXPATHLEN], msg[1024], repo[MAXPATHLEN], *tag, *p;

	cvs_log(LP_TRACE, "add_directory(%s)", cf->file_path);

	(void)xsnprintf(entry, MAXPATHLEN, "%s%s",
	    cf->file_rpath, RCS_FILE_EXT);

	added = 1;
	if (stat(entry, &st) != -1) {
		cvs_log(LP_NOTICE, "cannot add directory %s: "
		    "a file with that name already exists",
		    cf->file_path);
		added = 0;
	} else {
		/* Let's see if we have any per-directory tags first. */
		cvs_parse_tagfile(cf->file_wd, &tag, &date, &nb);

		(void)xsnprintf(entry, MAXPATHLEN, "%s/%s",
		    cf->file_path, CVS_PATH_CVSDIR);

		if (stat(entry, &st) != -1) {
			if (!S_ISDIR(st.st_mode)) {
				cvs_log(LP_ERR, "%s exists but is not "
				    "directory", entry);
			} else {
				cvs_log(LP_NOTICE, "%s already exists",
				    entry);
			}
			added = 0;
		} else if (cvs_noexec != 1) {
			if (mkdir(cf->file_rpath, 0755) == -1 &&
			    errno != EEXIST)
				fatal("add_directory: %s: %s", cf->file_path,
				    strerror(errno));

			cvs_get_repository_name(cf->file_wd, repo,
			    MAXPATHLEN);

			(void)xsnprintf(entry, MAXPATHLEN, "%s/%s",
			    repo, cf->file_name);

			cvs_mkadmin(cf->file_path, current_cvsroot->cr_dir,
			    entry, tag, date, nb);

			p = xmalloc(CVS_ENT_MAXLINELEN);
			(void)xsnprintf(p, CVS_ENT_MAXLINELEN,
			    "D/%s/////", cf->file_name);
			entlist = cvs_ent_open(cf->file_wd);
			cvs_ent_add(entlist, p);
			cvs_ent_close(entlist, ENT_SYNC);
		}
	}

	if (added == 1) {
		(void)xsnprintf(msg, sizeof(msg),
		    "Directory %s added to the repository", cf->file_rpath);

		if (tag != NULL) {
			(void)strlcat(msg,
			    "\n--> Using per-directory sticky tag ",
			    sizeof(msg));
			(void)strlcat(msg, tag, sizeof(msg));
		}
		if (date != NULL) {
			(void)strlcat(msg,
			    "\n--> Using per-directory sticky date ",
			    sizeof(msg));
			(void)strlcat(msg, date, sizeof(msg));
		}
		cvs_printf("%s\n", msg);

		if (tag != NULL)
			xfree(tag);
		if (date != NULL)
			xfree(date);
	}

	cf->file_status = FILE_SKIP;
}

static void
add_file(struct cvs_file *cf)
{
	int added, stop;
	char revbuf[CVS_REV_BUFSZ];
	RCSNUM *head;

	if (cf->file_rcs != NULL) {
		head = rcs_head_get(cf->file_rcs);
		rcsnum_tostr(head, revbuf, sizeof(revbuf));
		rcsnum_free(head);
	}

	added = stop = 0;
	switch (cf->file_status) {
	case FILE_ADDED:
		if (verbosity > 1)
			cvs_log(LP_NOTICE, "%s has already been entered",
			    cf->file_path);
		stop = 1;
		break;
	case FILE_REMOVED:
		if (cf->file_rcs == NULL) {
			cvs_log(LP_NOTICE, "cannot resurrect %s; "
			    "RCS file removed by second party", cf->file_name);
		} else if (cf->fd == -1) {
			add_entry(cf);

			/* Restore the file. */
			head = rcs_head_get(cf->file_rcs);
			cvs_checkout_file(cf, head, 0);
			rcsnum_free(head);

			cvs_printf("U %s\n", cf->file_path);

			cvs_log(LP_NOTICE, "%s, version %s, resurrected",
			    cf->file_name, revbuf);

			cf->file_status = FILE_UPTODATE;
		}
		stop = 1;
		break;
	case FILE_CONFLICT:
	case FILE_LOST:
	case FILE_MODIFIED:
	case FILE_UPTODATE:
		if (cf->file_rcs != NULL && cf->file_rcs->rf_dead == 0) {
			cvs_log(LP_NOTICE, "%s already exists, with version "
			     "number %s", cf->file_path, revbuf);
			stop = 1;
		}
		break;
	case FILE_UNKNOWN:
		if (cf->file_rcs != NULL && cf->file_rcs->rf_dead == 1) {
			cvs_log(LP_NOTICE, "re-adding file %s "
			    "(instead of dead revision %s)",
			    cf->file_path, revbuf);
			added++;
		} else if (cf->fd != -1) {
			cvs_log(LP_NOTICE, "scheduling file '%s' for addition",
			    cf->file_path);
			added++;
		} else {
			stop = 1;
		}
		break;
	default:
		break;
	}

	if (stop == 1)
		return;

	add_entry(cf);

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

static void
add_entry(struct cvs_file *cf)
{
	FILE *fp;
	char entry[CVS_ENT_MAXLINELEN], path[MAXPATHLEN];
	char revbuf[CVS_REV_BUFSZ], tbuf[CVS_TIME_BUFSZ];
	CVSENTRIES *entlist;

	if (cvs_noexec == 1)
		return;

	if (cf->file_status == FILE_REMOVED) {
		rcsnum_tostr(cf->file_ent->ce_rev, revbuf, sizeof(revbuf));

		ctime_r(&cf->file_ent->ce_mtime, tbuf);
		if (tbuf[strlen(tbuf) - 1] == '\n')
			tbuf[strlen(tbuf) - 1] = '\0';

		/* Remove the '-' prefixing the version number. */
		(void)xsnprintf(entry, CVS_ENT_MAXLINELEN,
		    "/%s/%s/%s/%s/", cf->file_name, revbuf, tbuf,
		    cf->file_ent->ce_opts ? cf->file_ent->ce_opts : "");
	} else {
		if (logmsg != NULL) {
			(void)xsnprintf(path, MAXPATHLEN, "%s/%s%s",
			    CVS_PATH_CVSDIR, cf->file_name, CVS_DESCR_FILE_EXT);

			if ((fp = fopen(path, "w+")) == NULL)
				fatal("add_entry: fopen `%s': %s",
				    path, strerror(errno));

			if (fputs(logmsg, fp) == EOF) {
				(void)unlink(path);
				fatal("add_entry: fputs `%s': %s",
				    path, strerror(errno));
			}
			(void)fclose(fp);
		}

		(void)xsnprintf(entry, CVS_ENT_MAXLINELEN,
		    "/%s/0/Initial %s/%s/", cf->file_name, cf->file_name,
		    (kflag != RCS_KWEXP_DEFAULT) ? kbuf : "");
	}

	entlist = cvs_ent_open(cf->file_wd);
	cvs_ent_add(entlist, entry);
	cvs_ent_close(entlist, ENT_SYNC);
}