Ejemplo n.º 1
0
/* Fill in and return a Vers_TS structure for the file FINFO.
 *
 * INPUTS
 *   finfo		struct file_info data about the file to be examined.
 *   options		Keyword expansion options, I think generally from the
 *			command line.  Can be either NULL or "" to indicate
 *			none are specified here.
 *   tag		Tag specified by user on the command line (via -r).
 *   date		Date specified by user on the command line (via -D).
 *   force_tag_match	If set and TAG is specified, will only set RET->vn_rcs
 *   			based on TAG.  Otherwise, if TAG is specified and does
 *   			not exist in the file, RET->vn_rcs will be set to the
 *   			head revision.
 *   set_time		If set, set the last modification time of the user file
 *			specified by FINFO to the checkin time of RET->vn_rcs.
 *
 * RETURNS
 *   Vers_TS structure for FINFO.
 */
Vers_TS *
Version_TS (struct file_info *finfo, char *options, char *tag, char *date,
            int force_tag_match, int set_time)
{
    Node *p;
    RCSNode *rcsdata;
    Vers_TS *vers_ts;
    struct stickydirtag *sdtp;
    Entnode *entdata;
    char *rcsexpand = NULL;

    /* get a new Vers_TS struct */

    vers_ts = xmalloc (sizeof (Vers_TS));
    memset (vers_ts, 0, 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 (finfo->entries == NULL)
    {
	sdtp = NULL;
	p = NULL;
    }
    else
    {
	p = findnode_fn (finfo->entries, finfo->file);
	sdtp = finfo->entries->list->data; /* list-private */
    }

    if (p == NULL)
    {
	entdata = NULL;
    }
    else
    {
	entdata = p->data;

	if (entdata->type == ENT_SUBDIR)
	{
	    /* According to cvs.texinfo, the various fields in the Entries
	       file for a directory (other than the name) do not have a
	       defined meaning.  We need to pass them along without getting
	       confused based on what is in them.  Therefore we make sure
	       not to set vn_user and the like from Entries, add.c and
	       perhaps other code will expect these fields to be NULL for
	       a directory.  */
	    vers_ts->entdata = entdata;
	}
	else
#ifdef SERVER_SUPPORT
	/* An entries line with "D" in the timestamp indicates that the
	   client sent Is-modified without sending Entry.  So we want to
	   use the entries line for the sole purpose of telling
	   time_stamp_server what is up; we don't want the rest of CVS
	   to think there is an entries line.  */
	if (strcmp (entdata->timestamp, "D") != 0)
#endif
	{
	    vers_ts->vn_user = xstrdup (entdata->version);
	    vers_ts->ts_rcs = xstrdup (entdata->timestamp);
	    vers_ts->ts_conflict = xstrdup (entdata->conflict);
	    if (!(tag || date) && !(sdtp && sdtp->aflag))
	    {
		vers_ts->tag = xstrdup (entdata->tag);
		vers_ts->date = xstrdup (entdata->date);
	    }
	    vers_ts->entdata = entdata;
	}
	/* Even if we don't have an "entries line" as such
	   (vers_ts->entdata), we want to pick up options which could
	   have been from a Kopt protocol request.  */
	if (!options || *options == '\0')
	{
	    if (!(sdtp && sdtp->aflag))
		vers_ts->options = xstrdup (entdata->options);
	}
    }

    /* Always look up the RCS keyword mode when we have an RCS archive.  It
     * will either be needed as a default or to avoid allowing the -k options
     * specified on the command line from overriding binary mode (-kb).
     */
    if (finfo->rcs != NULL)
	rcsexpand = RCS_getexpand (finfo->rcs);

    /*
     * -k options specified on the command line override (and overwrite)
     * options stored in the entries file and default options from the RCS
     * archive, except for binary mode (-kb).
     */
    if (options && *options != '\0')
    {
	if (vers_ts->options != NULL)
	    free (vers_ts->options);
	if (rcsexpand != NULL && strcmp (rcsexpand, "b") == 0)
	    vers_ts->options = xstrdup ("-kb");
	else
	    vers_ts->options = xstrdup (options);
    }
    else if ((!vers_ts->options || *vers_ts->options == '\0')
             && rcsexpand != NULL)
    {
	/* If no keyword expansion was specified on command line,
	   use whatever was in the rcs file (if there is one).  This
	   is how we, if we are the server, tell the client whether
	   a file is binary.  */
	if (vers_ts->options != NULL)
	    free (vers_ts->options);
	vers_ts->options = xmalloc (strlen (rcsexpand) + 3);
	strcpy (vers_ts->options, "-k");
	strcat (vers_ts->options, rcsexpand);
    }
    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);
	    vers_ts->nonbranch = sdtp->nonbranch;
	}
	if (!vers_ts->date)
	    vers_ts->date = xstrdup (sdtp->date);
    }

    /* Now look up the info on the source controlled file */
    if (finfo->rcs != NULL)
    {
	rcsdata = finfo->rcs;
	rcsdata->refcount++;
    }
    else if (finfo->repository != NULL)
	rcsdata = RCS_parse (finfo->file, finfo->repository);
    else
	rcsdata = NULL;

    if (rcsdata != NULL)
    {
	/* squirrel away the rcsdata pointer for others */
	vers_ts->srcfile = rcsdata;

	if (vers_ts->tag && strcmp (vers_ts->tag, TAG_BASE) == 0)
	{
	    vers_ts->vn_rcs = xstrdup (vers_ts->vn_user);
	    vers_ts->vn_tag = xstrdup (vers_ts->vn_user);
	}
	else
	{
	    int simple;

	    vers_ts->vn_rcs = RCS_getversion (rcsdata, vers_ts->tag,
					      vers_ts->date, force_tag_match,
					      &simple);
	    if (vers_ts->vn_rcs == NULL)
		vers_ts->vn_tag = NULL;
	    else if (simple)
		vers_ts->vn_tag = xstrdup (vers_ts->tag);
	    else
		vers_ts->vn_tag = xstrdup (vers_ts->vn_rcs);
	}

	/*
	 * 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 && vers_ts->vn_rcs != NULL)
	{
#ifdef SERVER_SUPPORT
	    if (server_active)
		server_modtime (finfo, vers_ts);
	    else
#endif
	    {
		struct utimbuf t;

		memset (&t, 0, sizeof (t));
		t.modtime = RCS_getrevtime (rcsdata, vers_ts->vn_rcs, 0, 0);
		if (t.modtime != (time_t) -1)
		{
#ifdef UTIME_EXPECTS_WRITABLE
		    int change_it_back = 0;
#endif

		    (void) time (&t.actime);

#ifdef UTIME_EXPECTS_WRITABLE
		    if (!iswritable (finfo->file))
		    {
			xchmod (finfo->file, 1);
			change_it_back = 1;
		    }
#endif  /* UTIME_EXPECTS_WRITABLE  */

		    /* This used to need to ignore existence_errors
		       (for cases like where update.c now clears
		       set_time if noexec, but didn't used to).  I
		       think maybe now it doesn't (server_modtime does
		       not like those kinds of cases).  */
		    (void) utime (finfo->file, &t);

#ifdef UTIME_EXPECTS_WRITABLE
		    if (change_it_back)
			xchmod (finfo->file, 0);
#endif  /*  UTIME_EXPECTS_WRITABLE  */
		}
	    }
	}
    }

    /* get user file time-stamp in ts_user */
    if (finfo->entries != NULL)
    {
#ifdef SERVER_SUPPORT
	if (server_active)
	    time_stamp_server (finfo->file, vers_ts, entdata);
	else
#endif
	    vers_ts->ts_user = time_stamp (finfo->file);
    }

    return (vers_ts);
}
Ejemplo n.º 2
0
/*
 * Process each of the files in the list with the callback proc
 */
static int do_file_proc (Node *p, void *closure)
{
    struct frame_and_file *frfile = (struct frame_and_file *)closure;
    struct file_info *finfo = frfile->finfo;
    int ret;
	Entnode *e;
	const char *mapped_name;
	const char *mapped_file_repository = NULL;

	if(!current_parsed_root->isremote)
		mapped_name = map_filename(finfo->virtual_repository, p->key, &mapped_file_repository);
	else
		mapped_name = xstrdup(p->key);

	finfo->file = p->key;
	finfo->mapped_file = mapped_name;

	char *ff = (char*)xmalloc (strlen (finfo->file)
			       + strlen (finfo->update_dir)
			       + 2);
	finfo->fullname = ff;
    ff[0] = '\0';
    if (finfo->update_dir[0] != '\0')
    {
		strcat (ff, finfo->update_dir);
		strcat (ff, "/");
    }
    strcat (ff, finfo->file);

    if (frfile->frame->dosrcs && mapped_file_repository)
    {
	finfo->rcs = RCS_parse (finfo->mapped_file, mapped_file_repository);

	/* OK, without W_LOCAL the error handling becomes relatively
	   simple.  The file names came from readdir() on the
	   repository and so we know any ENOENT is an error
	   (e.g. symlink pointing to nothing).  Now, the logic could
	   be simpler - since we got the name from readdir, we could
	   just be calling RCS_parsercsfile.  */
	if (finfo->rcs == NULL
	    && !(frfile->frame->which & W_LOCAL))
	{
	    error (0, 0, "could not read RCS file for %s", fn_root(finfo->fullname));
	    xfree (finfo->fullname);
	    cvs_flushout ();
	    return 0;
	}
    }
    else 
        finfo->rcs = (RCSNode *) NULL;

	p = findnode_fn(finfo->entries,finfo->file);
	if(p)
	{
		const char *message;
		const char *v_type;

		e = (Entnode *)p->data;

		if (! verify_access(frfile->frame->permproc, finfo->repository, finfo->file, finfo->update_dir, e->tag, &message, &v_type))
		{
			if(e->tag && !quiet && !(frfile->frame->which&W_QUIET))
				error (0, 0, "User %s is unable to %s %s/%s on branch/tag %s",CVS_Username,v_type,finfo->update_dir,finfo->file,e->tag);
			else if(!quiet && !(frfile->frame->which&W_QUIET))
				error (0, 0, "User %s is unable to %s %s/%s",CVS_Username,v_type,finfo->update_dir,finfo->file);
			if(message && !quiet && !(frfile->frame->which&W_QUIET))
				error (0, 0, "%s", message);
			ret = 1;
		}
		else
			ret = frfile->frame->fileproc (frfile->frame->callerdat, finfo);
	}
	else
		ret = frfile->frame->fileproc (frfile->frame->callerdat, finfo);

    freercsnode(&finfo->rcs);
    xfree (finfo->fullname);
	xfree (mapped_name);
	xfree (mapped_file_repository);

    /* Allow the user to monitor progress with tail -f.  Doing this once
       per file should be no big deal, but we don't want the performance
       hit of flushing on every line like previous versions of CVS.  */
    cvs_flushout ();

    return (ret);
}