support the tag command

from Joris Vink

1 files changed, 220 insertions, 0 deletions

diff --git a/usr.bin/cvs/tag.c b/usr.bin/cvs/tag.c
new file mode 100644
index 00000000000..7c5705cc824
--- /dev/null
+++ b/usr.bin/cvs/tag.c
@@ -0,0 +1,220 @@
+/*	$OpenBSD: tag.c,v 1.1 2004/12/14 19:11:54 jfb Exp $	*/
+/*
+ * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
+ * Copyright (c) 2004 Joris Vink <amni@pandora.be>
+ * 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 <stdio.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sysexits.h>
+
+#include "cvs.h"
+#include "log.h"
+#include "proto.h"
+
+
+int cvs_tag_file (CVSFILE *, void *);
+
+
+/*
+ * cvs_tag()
+ *
+ * Handler for the `cvs tag' command.
+ * Returns 0 on success, or one of the known exit codes on error.
+ */
+int
+cvs_tag(int argc, char **argv)
+{
+	int ch, flags;
+	struct cvsroot *root;
+	char *tag, *old_tag;
+	int branch, delete;
+
+	old_tag = NULL;
+	branch = delete = 0;
+	flags = CF_SORT|CF_IGNORE|CF_RECURSE;
+
+	while ((ch = getopt(argc, argv, "bdlr:")) != -1) {
+		switch (ch) {
+		case 'b':
+			branch = 1;
+			break;
+		case 'd':
+			delete = 1;
+			break;
+		case 'l':
+			flags &= ~CF_RECURSE;
+			break;
+		case 'r':
+			old_tag = optarg;
+			break;
+		default:
+			return (EX_USAGE);
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc == 0) {
+		return (EX_USAGE);
+	} else {
+		tag = argv[0];
+		argc--;
+		argv++;
+	}
+
+	if (branch && delete) {
+		cvs_log(LP_WARN, "ignoring -b with -d options");
+		branch = 0;
+	}
+
+	if (delete && old_tag)
+		old_tag = NULL;
+
+	if (argc == 0)
+		cvs_files = cvs_file_get(".", flags);
+	else
+		cvs_files = cvs_file_getspec(argv, argc, 0);
+	if (cvs_files == NULL)
+		return (EX_DATAERR);
+
+	root = CVS_DIR_ROOT(cvs_files);
+	if (root == NULL) {
+		cvs_log(LP_ERR,
+		    "No CVSROOT specified!  Please use the `-d' option");
+		cvs_log(LP_ERR,
+		    "or set the CVSROOT environment variable.");
+		return (EX_USAGE);
+	}
+
+	if ((root->cr_method != CVS_METHOD_LOCAL) && (cvs_connect(root) < 0))
+		return (EX_OSERR);
+
+	if (root->cr_method != CVS_METHOD_LOCAL) {
+		if (branch)
+			cvs_sendarg(root, "-b", 0);
+		if (delete)
+			cvs_sendarg(root, "-d", 0);
+		if (old_tag) {
+			cvs_sendarg(root, "-r", 0);
+			cvs_sendarg(root, old_tag, 0);
+		}
+		cvs_sendarg(root, tag, 0);
+	}
+
+	cvs_file_examine(cvs_files, cvs_tag_file, NULL);
+
+	if (root->cr_method != CVS_METHOD_LOCAL) {
+		cvs_senddir(root, cvs_files);
+		cvs_sendreq(root, CVS_REQ_TAG, NULL);
+	}
+
+	return (0);
+}
+
+
+/*
+ * cvs_tag_file()
+ *
+ * Get the status of a single file.
+ */
+int
+cvs_tag_file(CVSFILE *cfp, void *arg)
+{
+	int ret;
+	char *repo, fpath[MAXPATHLEN], rcspath[MAXPATHLEN];
+	RCSFILE *rf;
+	struct cvs_ent *entp;
+	struct cvsroot *root;
+
+	ret = 0;
+	rf = NULL;
+	root = CVS_DIR_ROOT(cfp);
+
+	if ((root->cr_method != CVS_METHOD_LOCAL) && (cfp->cf_type == DT_DIR)) {
+		if (cvs_senddir(root, cfp) < 0)
+			return (-1);
+		return (0);
+	}
+
+	cvs_file_getpath(cfp, fpath, sizeof(fpath));
+	entp = cvs_ent_getent(fpath);
+
+	if (root->cr_method != CVS_METHOD_LOCAL) {
+		if ((entp != NULL) && (cvs_sendentry(root, entp) < 0)) {
+			cvs_ent_free(entp);
+			return (-1);
+		}
+
+		switch (cfp->cf_cvstat) {
+		case CVS_FST_UNKNOWN:
+			ret = cvs_sendreq(root, CVS_REQ_QUESTIONABLE,
+			    CVS_FILE_NAME(cfp));
+			break;
+		case CVS_FST_UPTODATE:
+			ret = cvs_sendreq(root, CVS_REQ_UNCHANGED,
+			    CVS_FILE_NAME(cfp));
+			break;
+		case CVS_FST_MODIFIED:
+			ret = cvs_sendreq(root, CVS_REQ_ISMODIFIED, 
+			    CVS_FILE_NAME(cfp));
+		default:
+			break;
+		}
+	} else {
+		if (cfp->cf_cvstat == CVS_FST_UNKNOWN) {
+			cvs_log(LP_WARN, "I know nothing about %s", fpath);
+			return (0);
+		}
+
+		if (cfp->cf_parent != NULL)
+			repo = cfp->cf_parent->cf_ddat->cd_repo;
+		else
+			repo = NULL;
+
+		snprintf(rcspath, sizeof(rcspath), "%s/%s/%s%s",
+		    root->cr_dir, repo, CVS_FILE_NAME(cfp), RCS_FILE_EXT);
+
+		rf = rcs_open(rcspath, RCS_MODE_READ);
+		if (rf == NULL) {
+			cvs_ent_free(entp);
+			return (-1);
+		}
+
+		rcs_close(rf);
+	}
+
+	if (entp != NULL)
+		cvs_ent_free(entp);
+
+	return (ret);
+}