412 lines
9.9 KiB
C
412 lines
9.9 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* mkmodules
|
|
*
|
|
* Re-build the modules database for the CVS system. Accepts one argument,
|
|
* which is the directory that the modules,v file lives in.
|
|
*/
|
|
|
|
#include "cvs.h"
|
|
|
|
#ifndef lint
|
|
static char rcsid[] = "$CVSid: @(#)mkmodules.c 1.45 94/09/30 $";
|
|
USE(rcsid)
|
|
#endif
|
|
|
|
#ifndef DBLKSIZ
|
|
#define DBLKSIZ 4096 /* since GNU ndbm doesn't define it */
|
|
#endif
|
|
|
|
char *program_name, *command_name;
|
|
|
|
char *Rcsbin = RCSBIN_DFLT;
|
|
int noexec = 0; /* Here only to satisfy use in subr.c */
|
|
int trace = 0; /* Here only to satisfy use in subr.c */
|
|
|
|
static int checkout_file PROTO((char *file, char *temp));
|
|
static void make_tempfile PROTO((char *temp));
|
|
static void mkmodules_usage PROTO((void));
|
|
static void rename_rcsfile PROTO((char *temp, char *real));
|
|
|
|
#ifndef MY_NDBM
|
|
static void rename_dbmfile PROTO((char *temp));
|
|
static void write_dbmfile PROTO((char *temp));
|
|
#endif /* !MY_NDBM */
|
|
|
|
|
|
int
|
|
main (argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
extern char *getenv ();
|
|
char temp[PATH_MAX];
|
|
char *cp, *last, *fname;
|
|
#ifdef MY_NDBM
|
|
DBM *db;
|
|
#endif
|
|
FILE *fp;
|
|
char line[512];
|
|
static struct _checkout_file {
|
|
char *filename;
|
|
char *errormsg;
|
|
} *fileptr, filelist[] = {
|
|
{CVSROOTADM_LOGINFO,
|
|
"no logging of 'cvs commit' messages is done without a %s file"},
|
|
{CVSROOTADM_RCSINFO,
|
|
"a %s file can be used to configure 'cvs commit' templates"},
|
|
{CVSROOTADM_EDITINFO,
|
|
"a %s file can be used to validate log messages"},
|
|
{CVSROOTADM_COMMITINFO,
|
|
"a %s file can be used to configure 'cvs commit' checking"},
|
|
{CVSROOTADM_IGNORE,
|
|
"a %s file can be used to specify files to ignore"},
|
|
{CVSROOTADM_CHECKOUTLIST,
|
|
"a %s file can specify extra CVSROOT files to auto-checkout"},
|
|
{NULL, NULL}};
|
|
|
|
/*
|
|
* Just save the last component of the path for error messages
|
|
*/
|
|
if ((program_name = strrchr (argv[0], '/')) == NULL)
|
|
program_name = argv[0];
|
|
else
|
|
program_name++;
|
|
|
|
if (argc != 2)
|
|
mkmodules_usage ();
|
|
|
|
if ((cp = getenv (RCSBIN_ENV)) != NULL)
|
|
Rcsbin = cp;
|
|
|
|
/*
|
|
* If Rcsbin is set to something, make sure it is terminated with a slash
|
|
* character. If not, add one.
|
|
*/
|
|
if (Rcsbin[0] != '\0')
|
|
{
|
|
int len = strlen (Rcsbin);
|
|
char *rcsbin;
|
|
|
|
if (Rcsbin[len - 1] != '/')
|
|
{
|
|
rcsbin = Rcsbin;
|
|
Rcsbin = xmalloc (len + 2); /* one for '/', one for NULL */
|
|
(void) strcpy (Rcsbin, rcsbin);
|
|
(void) strcat (Rcsbin, "/");
|
|
}
|
|
}
|
|
|
|
if (chdir (argv[1]) < 0)
|
|
error (1, errno, "cannot chdir to %s", argv[1]);
|
|
|
|
/*
|
|
* First, do the work necessary to update the "modules" database.
|
|
*/
|
|
make_tempfile (temp);
|
|
switch (checkout_file (CVSROOTADM_MODULES, temp))
|
|
{
|
|
|
|
case 0: /* everything ok */
|
|
#ifdef MY_NDBM
|
|
/* open it, to generate any duplicate errors */
|
|
if ((db = dbm_open (temp, O_RDONLY, 0666)) != NULL)
|
|
dbm_close (db);
|
|
#else
|
|
write_dbmfile (temp);
|
|
rename_dbmfile (temp);
|
|
#endif
|
|
rename_rcsfile (temp, CVSROOTADM_MODULES);
|
|
break;
|
|
|
|
case -1: /* fork failed */
|
|
(void) unlink_file (temp);
|
|
exit (1);
|
|
/* NOTREACHED */
|
|
|
|
default:
|
|
error (0, 0,
|
|
"'cvs checkout' is less functional without a %s file",
|
|
CVSROOTADM_MODULES);
|
|
break;
|
|
} /* switch on checkout_file() */
|
|
|
|
(void) unlink_file (temp);
|
|
|
|
/* Checkout the files that need it in CVSROOT dir */
|
|
for (fileptr = filelist; fileptr && fileptr->filename; fileptr++) {
|
|
make_tempfile (temp);
|
|
if (checkout_file (fileptr->filename, temp) == 0)
|
|
rename_rcsfile (temp, fileptr->filename);
|
|
#if 0
|
|
/*
|
|
* If there was some problem other than the file not existing,
|
|
* checkout_file already printed a real error message. If the
|
|
* file does not exist, it is harmless--it probably just means
|
|
* that the repository was created with an old version of CVS
|
|
* which didn't have so many files in CVSROOT.
|
|
*/
|
|
else if (fileptr->errormsg)
|
|
error (0, 0, fileptr->errormsg, fileptr->filename);
|
|
#endif
|
|
(void) unlink_file (temp);
|
|
}
|
|
|
|
/* Use 'fopen' instead of 'open_file' because we want to ignore error */
|
|
fp = fopen (CVSROOTADM_CHECKOUTLIST, "r");
|
|
if (fp)
|
|
{
|
|
/*
|
|
* File format:
|
|
* [<whitespace>]<filename><whitespace><error message><end-of-line>
|
|
*/
|
|
for (; fgets (line, sizeof (line), fp) != NULL;)
|
|
{
|
|
if ((last = strrchr (line, '\n')) != NULL)
|
|
*last = '\0'; /* strip the newline */
|
|
|
|
/* Skip leading white space. */
|
|
for (fname = line; *fname && isspace(*fname); fname++)
|
|
;
|
|
|
|
/* Find end of filename. */
|
|
for (cp = fname; *cp && !isspace(*cp); cp++)
|
|
;
|
|
*cp = '\0';
|
|
|
|
make_tempfile (temp);
|
|
if (checkout_file (fname, temp) == 0)
|
|
{
|
|
rename_rcsfile (temp, fname);
|
|
}
|
|
else
|
|
{
|
|
for (cp++; cp < last && *last && isspace(*last); cp++)
|
|
;
|
|
if (cp < last && *cp)
|
|
error (0, 0, cp, fname);
|
|
}
|
|
}
|
|
(void) fclose (fp);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Yeah, I know, there are NFS race conditions here.
|
|
*/
|
|
static void
|
|
make_tempfile (temp)
|
|
char *temp;
|
|
{
|
|
static int seed = 0;
|
|
int fd;
|
|
|
|
if (seed == 0)
|
|
seed = getpid ();
|
|
while (1)
|
|
{
|
|
(void) sprintf (temp, "%s%d", BAKPREFIX, seed++);
|
|
if ((fd = open (temp, O_CREAT|O_EXCL|O_RDWR, 0666)) != -1)
|
|
break;
|
|
if (errno != EEXIST)
|
|
error (1, errno, "cannot create temporary file %s", temp);
|
|
}
|
|
if (close(fd) < 0)
|
|
error(1, errno, "cannot close temporary file %s", temp);
|
|
}
|
|
|
|
static int
|
|
checkout_file (file, temp)
|
|
char *file;
|
|
char *temp;
|
|
{
|
|
char rcs[PATH_MAX];
|
|
int retcode = 0;
|
|
|
|
(void) sprintf (rcs, "%s%s", file, RCSEXT);
|
|
if (!isfile (rcs))
|
|
return (1);
|
|
run_setup ("%s%s -q -p", Rcsbin, RCS_CO);
|
|
run_arg (rcs);
|
|
if ((retcode = run_exec (RUN_TTY, temp, RUN_TTY, RUN_NORMAL)) != 0)
|
|
{
|
|
error (0, retcode == -1 ? errno : 0, "failed to check out %s file", file);
|
|
}
|
|
return (retcode);
|
|
}
|
|
|
|
#ifndef MY_NDBM
|
|
|
|
static void
|
|
write_dbmfile (temp)
|
|
char *temp;
|
|
{
|
|
char line[DBLKSIZ], value[DBLKSIZ];
|
|
FILE *fp;
|
|
DBM *db;
|
|
char *cp, *vp;
|
|
datum key, val;
|
|
int len, cont, err = 0;
|
|
|
|
fp = open_file (temp, "r");
|
|
if ((db = dbm_open (temp, O_RDWR | O_CREAT | O_TRUNC, 0666)) == NULL)
|
|
error (1, errno, "cannot open dbm file %s for creation", temp);
|
|
for (cont = 0; fgets (line, sizeof (line), fp) != NULL;)
|
|
{
|
|
if ((cp = strrchr (line, '\n')) != NULL)
|
|
*cp = '\0'; /* strip the newline */
|
|
|
|
/*
|
|
* Add the line to the value, at the end if this is a continuation
|
|
* line; otherwise at the beginning, but only after any trailing
|
|
* backslash is removed.
|
|
*/
|
|
vp = value;
|
|
if (cont)
|
|
vp += strlen (value);
|
|
|
|
/*
|
|
* See if the line we read is a continuation line, and strip the
|
|
* backslash if so.
|
|
*/
|
|
len = strlen (line);
|
|
if (len > 0)
|
|
cp = &line[len - 1];
|
|
else
|
|
cp = line;
|
|
if (*cp == '\\')
|
|
{
|
|
cont = 1;
|
|
*cp = '\0';
|
|
}
|
|
else
|
|
{
|
|
cont = 0;
|
|
}
|
|
(void) strcpy (vp, line);
|
|
if (value[0] == '#')
|
|
continue; /* comment line */
|
|
vp = value;
|
|
while (*vp && isspace (*vp))
|
|
vp++;
|
|
if (*vp == '\0')
|
|
continue; /* empty line */
|
|
|
|
/*
|
|
* If this was not a continuation line, add the entry to the database
|
|
*/
|
|
if (!cont)
|
|
{
|
|
key.dptr = vp;
|
|
while (*vp && !isspace (*vp))
|
|
vp++;
|
|
key.dsize = vp - key.dptr;
|
|
*vp++ = '\0'; /* NULL terminate the key */
|
|
while (*vp && isspace (*vp))
|
|
vp++; /* skip whitespace to value */
|
|
if (*vp == '\0')
|
|
{
|
|
error (0, 0, "warning: NULL value for key `%s'", key.dptr);
|
|
continue;
|
|
}
|
|
val.dptr = vp;
|
|
val.dsize = strlen (vp);
|
|
if (dbm_store (db, key, val, DBM_INSERT) == 1)
|
|
{
|
|
error (0, 0, "duplicate key found for `%s'", key.dptr);
|
|
err++;
|
|
}
|
|
}
|
|
}
|
|
dbm_close (db);
|
|
(void) fclose (fp);
|
|
if (err)
|
|
{
|
|
char dotdir[50], dotpag[50];
|
|
|
|
(void) sprintf (dotdir, "%s.dir", temp);
|
|
(void) sprintf (dotpag, "%s.pag", temp);
|
|
(void) unlink_file (dotdir);
|
|
(void) unlink_file (dotpag);
|
|
error (1, 0, "DBM creation failed; correct above errors");
|
|
}
|
|
}
|
|
|
|
static void
|
|
rename_dbmfile (temp)
|
|
char *temp;
|
|
{
|
|
char newdir[50], newpag[50];
|
|
char dotdir[50], dotpag[50];
|
|
char bakdir[50], bakpag[50];
|
|
|
|
(void) sprintf (dotdir, "%s.dir", CVSROOTADM_MODULES);
|
|
(void) sprintf (dotpag, "%s.pag", CVSROOTADM_MODULES);
|
|
(void) sprintf (bakdir, "%s%s.dir", BAKPREFIX, CVSROOTADM_MODULES);
|
|
(void) sprintf (bakpag, "%s%s.pag", BAKPREFIX, CVSROOTADM_MODULES);
|
|
(void) sprintf (newdir, "%s.dir", temp);
|
|
(void) sprintf (newpag, "%s.pag", temp);
|
|
|
|
(void) chmod (newdir, 0666);
|
|
(void) chmod (newpag, 0666);
|
|
|
|
/* don't mess with me */
|
|
SIG_beginCrSect ();
|
|
|
|
(void) unlink_file (bakdir); /* rm .#modules.dir .#modules.pag */
|
|
(void) unlink_file (bakpag);
|
|
(void) rename (dotdir, bakdir); /* mv modules.dir .#modules.dir */
|
|
(void) rename (dotpag, bakpag); /* mv modules.pag .#modules.pag */
|
|
(void) rename (newdir, dotdir); /* mv "temp".dir modules.dir */
|
|
(void) rename (newpag, dotpag); /* mv "temp".pag modules.pag */
|
|
|
|
/* OK -- make my day */
|
|
SIG_endCrSect ();
|
|
}
|
|
|
|
#endif /* !MY_NDBM */
|
|
|
|
static void
|
|
rename_rcsfile (temp, real)
|
|
char *temp;
|
|
char *real;
|
|
{
|
|
char bak[50];
|
|
struct stat statbuf;
|
|
char rcs[PATH_MAX];
|
|
|
|
/* Set "x" bits if set in original. */
|
|
(void) sprintf (rcs, "%s%s", real, RCSEXT);
|
|
statbuf.st_mode = 0; /* in case rcs file doesn't exist, but it should... */
|
|
(void) stat (rcs, &statbuf);
|
|
|
|
if (chmod (temp, 0444 | (statbuf.st_mode & 0111)) < 0)
|
|
error (0, errno, "warning: cannot chmod %s", temp);
|
|
(void) sprintf (bak, "%s%s", BAKPREFIX, real);
|
|
(void) unlink_file (bak); /* rm .#loginfo */
|
|
(void) rename (real, bak); /* mv loginfo .#loginfo */
|
|
(void) rename (temp, real); /* mv "temp" loginfo */
|
|
}
|
|
|
|
/*
|
|
* For error() only
|
|
*/
|
|
void
|
|
Lock_Cleanup ()
|
|
{
|
|
}
|
|
|
|
static void
|
|
mkmodules_usage ()
|
|
{
|
|
(void) fprintf (stderr, "Usage: %s modules-directory\n", program_name);
|
|
exit (1);
|
|
}
|