home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Geek Gadgets 1
/
ADE-1.bin
/
ade-dist
/
cvs-1.8.7-src.tgz
/
tar.out
/
fsf
/
cvs
/
src
/
repos.c
< prev
next >
Wrap
C/C++ Source or Header
|
1996-09-28
|
4KB
|
135 lines
/*
* 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 1.4 kit.
*/
#include "cvs.h"
/* Determine the name of the RCS repository for directory DIR in the
current working directory, or for the current working directory
itself if DIR is NULL. Returns the name in a newly-malloc'd
string. On error, gives a fatal error and does not return.
UPDATE_DIR is the path from where cvs was invoked (for use in error
messages), and should contain DIR as its last component.
UPDATE_DIR can be NULL to signify the directory in which cvs was
invoked. */
char *
Name_Repository (dir, update_dir)
char *dir;
char *update_dir;
{
FILE *fpin;
char *ret, *xupdate_dir;
char repos[PATH_MAX];
char path[PATH_MAX];
char tmp[PATH_MAX];
char *cp;
if (update_dir && *update_dir)
xupdate_dir = update_dir;
else
xupdate_dir = ".";
if (dir != NULL)
(void) sprintf (tmp, "%s/%s", dir, CVSADM_REP);
else
(void) strcpy (tmp, CVSADM_REP);
/*
* The assumption here is that the repository is always contained in the
* first line of the "Repository" file.
*/
fpin = CVS_FOPEN (tmp, "r");
if (fpin == NULL)
{
int save_errno = errno;
char cvsadm[PATH_MAX];
if (dir != NULL)
(void) sprintf (cvsadm, "%s/%s", dir, CVSADM);
else
(void) strcpy (cvsadm, CVSADM);
if (!isdir (cvsadm))
{
error (0, 0, "in directory %s:", xupdate_dir);
error (1, 0, "there is no version here; do '%s checkout' first",
program_name);
}
if (existence_error (save_errno))
{
error (0, 0, "in directory %s:", xupdate_dir);
error (1, 0, "*PANIC* administration files missing");
}
error (1, save_errno, "cannot open %s", tmp);
}
if (fgets (repos, PATH_MAX, fpin) == NULL)
{
error (0, 0, "in directory %s:", xupdate_dir);
error (1, errno, "cannot read %s", CVSADM_REP);
}
(void) fclose (fpin);
if ((cp = strrchr (repos, '\n')) != NULL)
*cp = '\0'; /* strip the newline */
/*
* If this is a relative repository pathname, turn it into an absolute
* one by tacking on the CVSROOT environment variable. If the CVSROOT
* environment variable is not set, die now.
*/
if (strcmp (repos, "..") == 0 || strncmp (repos, "../", 3) == 0)
{
error (0, 0, "in directory %s:", xupdate_dir);
error (0, 0, "`..'-relative repositories are not supported.");
error (1, 0, "illegal source repository");
}
if (! isabsolute(repos))
{
if (CVSroot_original == NULL)
{
error (0, 0, "in directory %s:", xupdate_dir);
error (0, 0, "must set the CVSROOT environment variable\n");
error (0, 0, "or specify the '-d' option to %s.", program_name);
error (1, 0, "illegal repository setting");
}
(void) strcpy (path, repos);
(void) sprintf (repos, "%s/%s", CVSroot_directory, path);
}
/* allocate space to return and fill it in */
strip_path (repos);
ret = xstrdup (repos);
return (ret);
}
/*
* Return a pointer to the repository name relative to CVSROOT from a
* possibly fully qualified repository
*/
char *
Short_Repository (repository)
char *repository;
{
if (repository == NULL)
return (NULL);
/* If repository matches CVSroot at the beginning, strip off CVSroot */
/* And skip leading '/' in rep, in case CVSroot ended with '/'. */
if (strncmp (CVSroot_directory, repository,
strlen (CVSroot_directory)) == 0)
{
char *rep = repository + strlen (CVSroot_directory);
return (*rep == '/') ? rep+1 : rep;
}
else
return (repository);
}