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/*
* Copyright (c) 1992, Brian Berliner and Jeff Polk
* Copyright (c) 1989-1992, Brian Berliner
*
* You may distribute under the terms of the GNU General Public License as
* specified in the README file that comes with the CVS 1.3 kit.
*
* Tag
*
* Add or delete a symbolic name to an RCS file, or a collection of RCS files.
* Uses the checked out revision in the current directory.
*/
#include "cvs.h"
#ifndef lint
static char rcsid[] = "@(#)tag.c 1.56 92/03/31";
#endif
#if __STDC__
static Dtype tag_dirproc (char *dir, char *repos, char *update_dir);
static int tag_fileproc (char *file, char *update_dir,
char *repository, List * entries,
List * srcfiles);
#else
static int tag_fileproc ();
static Dtype tag_dirproc ();
#endif /* __STDC__ */
static char *symtag;
static int delete; /* adding a tag by default */
static int branch_mode; /* make an automagic "branch" tag */
static int local; /* recursive by default */
static char *tag_usage[] =
{
"Usage: %s %s [-QlRq] [-b] [-d] tag [files...]\n",
"\t-Q\tReally quiet.\n",
"\t-l\tLocal directory only, not recursive.\n",
"\t-R\tProcess directories recursively.\n",
"\t-q\tSomewhat quiet.\n",
"\t-d\tDelete the given Tag.\n",
"\t-b\tMake the tag a \"branch\" tag, allowing concurrent development.\n",
NULL
};
int
tag (argc, argv)
int argc;
char *argv[];
{
int c;
int err = 0;
if (argc == -1)
usage (tag_usage);
optind = 1;
while ((c = gnu_getopt (argc, argv, "QqlRdb")) != -1)
{
switch (c)
{
case 'Q':
really_quiet = 1;
/* FALL THROUGH */
case 'q':
quiet = 1;
break;
case 'l':
local = 1;
break;
case 'R':
local = 0;
break;
case 'd':
delete = 1;
break;
case 'b':
branch_mode = 1;
break;
case '?':
default:
usage (tag_usage);
break;
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage (tag_usage);
symtag = argv[0];
argc--;
argv++;
if (delete && branch_mode)
error (0, 0, "warning: -b ignored with -d options");
RCS_check_tag (symtag);
/* start the recursion processor */
err = start_recursion (tag_fileproc, (int (*) ()) NULL, tag_dirproc,
(int (*) ()) NULL, argc, argv, local,
W_LOCAL, 0, 1, (char *) NULL, 1);
return (err);
}
/*
* Called to tag a particular file (the currently checked out version is
* tagged with the specified tag - or the specified tag is deleted).
*/
/* ARGSUSED */
static int
tag_fileproc (file, update_dir, repository, entries, srcfiles)
char *file;
char *update_dir;
char *repository;
List *entries;
List *srcfiles;
{
char *version, *oversion;
char *rev;
Vers_TS *vers;
int retcode = 0;
vers = Version_TS (repository, (char *) NULL, (char *) NULL, (char *) NULL,
file, 0, 0, entries, srcfiles);
if (delete)
{
/*
* If -d is specified, "force_tag_match" is set, so that this call to
* Version_Number() will return a NULL version string if the symbolic
* tag does not exist in the RCS file.
*
* This is done here because it's MUCH faster than just blindly calling
* "rcs" to remove the tag... trust me.
*/
version = RCS_getversion (vers->srcfile, symtag, (char *) NULL, 1);
if (version == NULL || vers->srcfile == NULL)
{
freevers_ts (&vers);
return (0);
}
free (version);
run_setup ("%s%s -q -N%s", Rcsbin, RCS, symtag);
run_arg (vers->srcfile->path);
if ((retcode = run_exec (RUN_TTY, RUN_TTY, DEVNULL, RUN_NORMAL)) != 0)
{
if (!quiet)
error (0, retcode == -1 ? errno : 0,
"failed to remove tag %s from %s", symtag,
vers->srcfile->path);
freevers_ts (&vers);
return (1);
}
/* warm fuzzies */
if (!really_quiet)
{
if (update_dir[0])
(void) printf ("D %s/%s\n", update_dir, file);
else
(void) printf ("D %s\n", file);
}
freevers_ts (&vers);
return (0);
}
/*
* If we are adding a tag, we need to know which version we have checked
* out and we'll tag that version.
*/
version = vers->vn_user;
if (version == NULL)
{
freevers_ts (&vers);
return (0);
}
else if (strcmp (version, "0") == 0)
{
if (!quiet)
error (0, 0, "couldn't tag added but un-commited file `%s'", file);
freevers_ts (&vers);
return (0);
}
else if (version[0] == '-')
{
if (!quiet)
error (0, 0, "skipping removed but un-commited file `%s'", file);
freevers_ts (&vers);
return (0);
}
else if (vers->srcfile == NULL)
{
if (!quiet)
error (0, 0, "cannot find revision control file for `%s'", file);
freevers_ts (&vers);
return (0);
}
/*
* As an enhancement for the case where a tag is being re-applied to a
* large number of files, make one extra call to Version_Number to see if
* the tag is already set in the RCS file. If so, check to see if it
* needs to be moved. If not, do nothing. This will likely save a lot of
* time when simply moving the tag to the "current" head revisions of a
* module -- which I have found to be a typical tagging operation.
*/
oversion = RCS_getversion (vers->srcfile, symtag, (char *) NULL, 1);
if (oversion != NULL)
{
if (strcmp (version, oversion) == 0)
{
free (oversion);
freevers_ts (&vers);
return (0);
}
free (oversion);
}
rev = branch_mode ? RCS_magicrev (vers->srcfile, version) : version;
run_setup ("%s%s -q -N%s:%s", Rcsbin, RCS, symtag, rev);
run_arg (vers->srcfile->path);
if ((retcode = run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL)) != 0)
{
if (!quiet)
error (0, retcode == -1 ? errno : 0,
"failed to set tag %s to revision %s in %s",
symtag, rev, vers->srcfile->path);
freevers_ts (&vers);
return (1);
}
/* more warm fuzzies */
if (!really_quiet)
{
if (update_dir[0])
(void) printf ("T %s/%s\n", update_dir, file);
else
(void) printf ("T %s\n", file);
}
freevers_ts (&vers);
return (0);
}
/*
* Print a warm fuzzy message
*/
/* ARGSUSED */
static Dtype
tag_dirproc (dir, repos, update_dir)
char *dir;
char *repos;
char *update_dir;
{
if (!quiet)
error (0, 0, "%s %s", delete ? "Untagging" : "Tagging", update_dir);
return (R_PROCESS);
}
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