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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.
*/
#include "cvs.h"
#ifndef lint
static char rcsid[] = "@(#)vers_ts.c 1.36 92/03/31";
#endif
extern char *ctime (); /* XXX - should use gmtime/asctime */
/*
* Fill in and return a Vers_TS structure "user" is the name of the local
* file; entries is the entries file - preparsed for our pleasure. xfiles is
* all source code control files, preparsed for our pleasure
*/
Vers_TS *
Version_TS (repository, options, tag, date, user, force_tag_match,
set_time, entries, xfiles)
char *repository;
char *options;
char *tag;
char *date;
char *user;
int force_tag_match;
int set_time;
List *entries;
List *xfiles;
{
Node *p;
RCSNode *rcsdata;
Vers_TS *vers_ts;
struct stickydirtag *sdtp;
/* get a new Vers_TS struct */
vers_ts = (Vers_TS *) xmalloc (sizeof (Vers_TS));
bzero ((char *) vers_ts, sizeof (*vers_ts));
/*
* look up the entries file entry and fill in the version and timestamp
* if entries is NULL, there is no entries file so don't bother trying to
* look it up (used by checkout -P)
*/
if (entries == NULL)
{
sdtp = NULL;
p = NULL;
}
else
{
p = findnode (entries, user);
sdtp = (struct stickydirtag *) entries->list->data; /* list-private */
}
if (p != NULL)
{
Entnode *entdata = (Entnode *) p->data;
vers_ts->vn_user = xstrdup (entdata->version);
vers_ts->ts_rcs = xstrdup (entdata->timestamp);
if (!tag)
{
if (!(sdtp && sdtp->aflag))
vers_ts->tag = xstrdup (entdata->tag);
}
if (!date)
{
if (!(sdtp && sdtp->aflag))
vers_ts->date = xstrdup (entdata->date);
}
if (!options || (options && *options == '\0'))
{
if (!(sdtp && sdtp->aflag))
vers_ts->options = xstrdup (entdata->options);
}
vers_ts->entdata = entdata;
}
/*
* -k options specified on the command line override (and overwrite)
* options stored in the entries file
*/
if (options)
vers_ts->options = xstrdup (options);
else if (sdtp && sdtp->aflag == 0)
{
if (!vers_ts->options)
vers_ts->options = xstrdup (sdtp->options);
}
if (!vers_ts->options)
vers_ts->options = xstrdup ("");
/*
* if tags were specified on the command line, they override what is in
* the Entries file
*/
if (tag || date)
{
vers_ts->tag = xstrdup (tag);
vers_ts->date = xstrdup (date);
}
else if (!vers_ts->entdata && (sdtp && sdtp->aflag == 0))
{
if (!vers_ts->tag)
vers_ts->tag = xstrdup (sdtp->tag);
if (!vers_ts->date)
vers_ts->date = xstrdup (sdtp->date);
}
/* Now look up the info on the source controlled file */
if (xfiles != (List *) NULL)
{
p = findnode (xfiles, user);
if (p != NULL)
{
rcsdata = (RCSNode *) p->data;
rcsdata->refcount++;
}
else
rcsdata = NULL;
}
else
rcsdata = RCS_parse (user, repository);
if (rcsdata != NULL)
{
/* squirrel away the rcsdata pointer for others */
vers_ts->srcfile = rcsdata;
/* get RCS version number into vn_rcs (if appropriate) */
if (((vers_ts->tag || vers_ts->date) && force_tag_match) ||
((rcsdata->flags & VALID) && (rcsdata->flags & INATTIC) == 0))
{
if (vers_ts->tag && strcmp (vers_ts->tag, TAG_BASE) == 0)
vers_ts->vn_rcs = xstrdup (vers_ts->vn_user);
else
vers_ts->vn_rcs = RCS_getversion (rcsdata, vers_ts->tag,
vers_ts->date, force_tag_match);
}
/*
* If the source control file exists and has the requested revision,
* get the Date the revision was checked in. If "user" exists, set
* its mtime.
*/
if (set_time)
{
struct utimbuf t;
if (vers_ts->vn_rcs &&
(t.actime = t.modtime = RCS_getrevtime (rcsdata, vers_ts->vn_rcs,
(char *) 0, 0)) != -1)
(void) utime (user, &t);
}
}
/* get user file time-stamp in ts_user */
if (entries != (List *) NULL)
vers_ts->ts_user = time_stamp (user);
return (vers_ts);
}
/*
* Gets the time-stamp for the file "file" and returns it in space it
* allocates
*/
char *
time_stamp (file)
char *file;
{
struct stat sb;
char *cp;
char *ts;
if (stat (file, &sb) < 0)
{
ts = NULL;
}
else
{
ts = xmalloc (51); /* 51 = 2 ctime strings + NULL */
cp = ctime (&sb.st_ctime); /* copy in the create time */
cp[24] = ' ';
(void) strcpy (ts, cp);
cp = ctime (&sb.st_mtime); /* copy in the modify time */
cp[24] = '\0';
(void) strcat (ts, cp);
}
return (ts);
}
/*
* free up a Vers_TS struct
*/
void
freevers_ts (versp)
Vers_TS **versp;
{
if ((*versp)->srcfile)
freercsnode (&((*versp)->srcfile));
if ((*versp)->vn_user)
free ((*versp)->vn_user);
if ((*versp)->vn_rcs)
free ((*versp)->vn_rcs);
if ((*versp)->ts_user)
free ((*versp)->ts_user);
if ((*versp)->ts_rcs)
free ((*versp)->ts_rcs);
if ((*versp)->options)
free ((*versp)->options);
if ((*versp)->tag)
free ((*versp)->tag);
if ((*versp)->date)
free ((*versp)->date);
free ((char *) *versp);
*versp = (Vers_TS *) NULL;
}
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