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commit.c
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1992-03-31
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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.
*
* Commit Files
*
* "commit" commits the present version to the RCS repository, AFTER
* having done a test on conflicts.
*
* The call is: cvs commit [options] files...
*
*/
#include "cvs.h"
#ifndef lint
static char rcsid[] = "@(#)commit.c 1.84 92/03/31";
#endif
#if __STDC__
static Dtype check_direntproc (char *dir, char *repos, char *update_dir);
static int check_fileproc (char *file, char *update_dir, char *repository,
List * entries, List * srcfiles);
static int check_filesdoneproc (int err, char *repos, char *update_dir);
static int checkaddfile (char *file, char *repository, char *tag);
static Dtype commit_direntproc (char *dir, char *repos, char *update_dir);
static int commit_dirleaveproc (char *dir, int err, char *update_dir);
static int commit_fileproc (char *file, char *update_dir, char *repository,
List * entries, List * srcfiles);
static int commit_filesdoneproc (int err, char *repository, char *update_dir);
static int finaladd (char *file, char *revision, char *tag, char *repository,
List *entries);
static int findmaxrev (Node * p);
static int fsortcmp (Node * p, Node * q);
static int lock_RCS (char *user, char *rcs, char *rev, char *repository);
static int lock_filesdoneproc (int err, char *repository, char *update_dir);
static int lockrcsfile (char *file, char *repository, char *rev);
static int precommit_list_proc (Node * p);
static int precommit_proc (char *repository, char *filter);
static int remove_file (char *file, char *repository, char *tag,
List *entries);
static void fix_rcs_modes (char *rcs, char *user);
static void fixaddfile (char *file, char *repository);
static void fixbranch (char *file, char *repository, char *branch);
static void unlockrcs (char *file, char *repository);
static void ci_delproc (Node *p);
static void locate_rcs (char *file, char *repository, char *rcs);
#else
static int fsortcmp ();
static int lock_filesdoneproc ();
static int check_fileproc ();
static Dtype check_direntproc ();
static int precommit_list_proc ();
static int precommit_proc ();
static int check_filesdoneproc ();
static int commit_fileproc ();
static int commit_filesdoneproc ();
static Dtype commit_direntproc ();
static int commit_dirleaveproc ();
static int findmaxrev ();
static int remove_file ();
static int finaladd ();
static void unlockrcs ();
static void fixaddfile ();
static void fixbranch ();
static int checkaddfile ();
static int lockrcsfile ();
static int lock_RCS ();
static void fix_rcs_modes ();
static void ci_delproc ();
static void locate_rcs ();
#endif /* __STDC__ */
struct commit_info
{
Ctype status; /* as returned from Classify_File() */
char *rev; /* a numeric rev, if we know it */
char *tag; /* any sticky tag, or -r option */
};
struct master_lists
{
List *ulist; /* list for Update_Logfile */
List *cilist; /* list with commit_info structs */
};
static int got_message;
static int run_module_prog = 1;
static int aflag;
static char *tag;
static char *write_dirtag;
static char *logfile;
static List *mulist;
static List *locklist;
static char *message;
static char *commit_usage[] =
{
"Usage: %s %s [-nRl] [-m msg | -f logfile] [-r rev] files...\n",
"\t-n\tDo not run the module program (if any).\n",
"\t-R\tProcess directories recursively.\n",
"\t-l\tLocal directory only (not recursive).\n",
"\t-f file\tRead the log message from file.\n",
"\t-m msg\tLog message.\n",
"\t-r rev\tCommit to this branch or trunk revision.\n",
NULL
};
int
commit (argc, argv)
int argc;
char *argv[];
{
int c;
int err = 0;
int local = 0;
if (argc == -1)
usage (commit_usage);
#ifdef CVS_BADROOT
/*
* For log purposes, do not allow "root" to commit files. If you look
* like root, but are really logged in as a non-root user, it's OK.
*/
if (geteuid () == (uid_t) 0)
{
struct passwd *pw;
if ((pw = (struct passwd *) getpwnam (getcaller ())) == NULL)
error (1, 0, "you are unknown to this system");
if (pw->pw_uid == (uid_t) 0)
error (1, 0, "cannot commit files as 'root'");
}
#endif /* CVS_BADROOT */
message = xmalloc (MAXMESGLEN + 1);
message[0] = '\0'; /* Null message by default */
optind = 1;
while ((c = gnu_getopt (argc, argv, "nlRm:f:r:")) != -1)
{
switch (c)
{
case 'n':
run_module_prog = 0;
break;
case 'm':
#ifdef FORCE_USE_EDITOR
use_editor = TRUE;
#else
use_editor = FALSE;
#endif
if (strlen (optarg) >= (size_t) MAXMESGLEN)
{
error (0, 0, "warning: message too long; truncated!");
(void) strncpy (message, optarg, MAXMESGLEN);
message[MAXMESGLEN] = '\0';
}
else
(void) strcpy (message, optarg);
break;
case 'r':
if (tag)
free (tag);
tag = xstrdup (optarg);
break;
case 'l':
local = 1;
break;
case 'R':
local = 0;
break;
case 'f':
#ifdef FORCE_USE_EDITOR
use_editor = TRUE;
#else
use_editor = FALSE;
#endif
logfile = optarg;
break;
case '?':
default:
usage (commit_usage);
break;
}
}
argc -= optind;
argv += optind;
/* numeric specified revision means we ignore sticky tags... */
if (tag && isdigit (*tag))
{
aflag = 1;
/* strip trailing dots */
while (tag[strlen (tag) - 1] == '.')
tag[strlen (tag) - 1] = '\0';
}
/* some checks related to the "-f logfile" option */
if (logfile)
{
int n, logfd;
if (*message)
error (1, 0, "cannot specify both a message and a log file");
if ((logfd = open (logfile, O_RDONLY)) < 0 ||
(n = read (logfd, message, MAXMESGLEN)) < 0)
{
error (1, errno, "cannot read log message from %s", logfile);
}
(void) close (logfd);
message[n] = '\0';
}
/* XXX - this is not the perfect check for this */
if (argc <= 0)
write_dirtag = tag;
/*
* Run the recursion processor to find all the dirs to lock and lock all
* the dirs
*/
locklist = getlist ();
err = start_recursion ((int (*) ()) NULL, lock_filesdoneproc,
(Dtype (*) ()) NULL, (int (*) ()) NULL, argc,
argv, local, W_LOCAL, aflag, 0, (char *) NULL, 0);
sortlist (locklist, fsortcmp);
if (Writer_Lock (locklist) != 0)
error (1, 0, "lock failed - giving up");
/*
* Set up the master update list
*/
mulist = getlist ();
/*
* Run the recursion processor to verify the files are all up-to-date
*/
err = start_recursion (check_fileproc, check_filesdoneproc,
check_direntproc, (int (*) ()) NULL, argc,
argv, local, W_LOCAL, aflag, 0, (char *) NULL, 1);
if (err)
{
Lock_Cleanup ();
error (1, 0, "correct above errors first!");
}
/*
* Run the recursion processor to commit the files
*/
if (noexec == 0)
err = start_recursion (commit_fileproc, commit_filesdoneproc,
commit_direntproc, commit_dirleaveproc,
argc, argv, local, W_LOCAL, aflag, 0,
(char *) NULL, 1);
/*
* Unlock all the dirs and clean up
*/
Lock_Cleanup ();
dellist (&mulist);
dellist (&locklist);
return (err);
}
/*
* compare two lock list nodes (for sort)
*/
static int
fsortcmp (p, q)
Node *p, *q;
{
return (strcmp (p->key, q->key));
}
/*
* Create a list of repositories to lock
*/
/* ARGSUSED */
static int
lock_filesdoneproc (err, repository, update_dir)
int err;
char *repository;
char *update_dir;
{
Node *p;
p = getnode ();
p->type = LOCK;
p->key = xstrdup (repository);
if (p->key == NULL || addnode (locklist, p) != 0)
freenode (p);
return (err);
}
/*
* Check to see if a file is ok to commit and make sure all files are
* up-to-date
*/
/* ARGSUSED */
static int
check_fileproc (file, update_dir, repository, entries, srcfiles)
char *file;
char *update_dir;
char *repository;
List *entries;
List *srcfiles;
{
Ctype status;
char *xdir;
Node *p;
List *ulist, *cilist;
Vers_TS *vers;
struct commit_info *ci;
int save_noexec, save_quiet, save_really_quiet;
save_noexec = noexec;
save_quiet = quiet;
save_really_quiet = really_quiet;
noexec = quiet = really_quiet = 1;
/* handle specified numeric revision specially */
if (tag && isdigit (*tag))
{
/* If the tag is for the trunk, make sure we're at the head */
if (numdots (tag) < 2)
{
status = Classify_File (file, (char *) NULL, (char *) NULL,
(char *) NULL, 1, aflag, repository,
entries, srcfiles, &vers);
if (status == T_UPTODATE)
{
freevers_ts (&vers);
status = Classify_File (file, tag, (char *) NULL,
(char *) NULL, 1, aflag, repository,
entries, srcfiles, &vers);
if (status == T_REMOVE_ENTRY)
status = T_MODIFIED;
}
}
else
{
char *xtag, *cp;
/*
* The revision is off the main trunk; make sure we're
* up-to-date with the head of the specified branch.
*/
xtag = xstrdup (tag);
if ((numdots (xtag) & 1) != 0)
{
cp = rindex (xtag, '.');
*cp = '\0';
}
status = Classify_File (file, xtag, (char *) NULL,
(char *) NULL, 1, aflag, repository,
entries, srcfiles, &vers);
if ((status == T_REMOVE_ENTRY || status == T_CONFLICT)
&& (cp = rindex (xtag, '.')) != NULL)
{
/* pluck one more dot off the revision */
*cp = '\0';
freevers_ts (&vers);
status = Classify_File (file, xtag, (char *) NULL,
(char *) NULL, 1, aflag, repository,
entries, srcfiles, &vers);
if (status == T_UPTODATE || status == T_REMOVE_ENTRY)
status = T_MODIFIED;
}
/* now, muck with vers to make the tag correct */
free (vers->tag);
vers->tag = xstrdup (tag);
free (xtag);
}
}
else
status = Classify_File (file, tag, (char *) NULL, (char *) NULL,
1, 0, repository, entries, srcfiles, &vers);
noexec = save_noexec;
quiet = save_quiet;
really_quiet = save_really_quiet;
switch (status)
{
case T_CHECKOUT:
case T_NEEDS_MERGE:
case T_CONFLICT:
case T_REMOVE_ENTRY:
error (0, 0, "Up-to-date check failed for `%s'", file);
freevers_ts (&vers);
return (1);
case T_MODIFIED:
case T_ADDED:
case T_REMOVED:
/*
* some quick sanity checks; if no numeric -r option specified:
* - can't have a sticky date
* - can't have a sticky tag that is not a branch
* Also,
* - if status is T_REMOVED, can't have a numeric tag
* - if status is T_ADDED, rcs file must not exist
* - if status is T_ADDED, can't have a non-trunk numeric rev
*/
if (!tag || !isdigit (*tag))
{
if (vers->date)
{
error (0, 0,
"cannot commit with sticky date for file `%s'",
file);
freevers_ts (&vers);
return (1);
}
if (status == T_MODIFIED && vers->tag &&
!RCS_isbranch (file, vers->tag, srcfiles))
{
error (0, 0,
"sticky tag `%s' for file `%s' is not a branch",
vers->tag, file);
freevers_ts (&vers);
return (1);
}
}
if (status == T_REMOVED && vers->tag && isdigit (*vers->tag))
{
error (0, 0,
"cannot remove file `%s' which has a numeric sticky tag of `%s'",
file, vers->tag);
freevers_ts (&vers);
return (1);
}
if (status == T_ADDED)
{
char rcs[PATH_MAX];
locate_rcs (file, repository, rcs);
if (isreadable (rcs))
{
error (0, 0,
"cannot add file `%s' when RCS file `%s' already exists",
file, rcs);
freevers_ts (&vers);
return (1);
}
if (vers->tag && isdigit (*vers->tag) &&
numdots (vers->tag) > 1)
{
error (0, 0,
"cannot add file `%s' with revision `%s'; must be on trunk",
file, vers->tag);
freevers_ts (&vers);
return (1);
}
}
/* done with consistency checks; now, to get on with the commit */
if (update_dir[0] == '\0')
xdir = ".";
else
xdir = update_dir;
if ((p = findnode (mulist, xdir)) != NULL)
{
ulist = ((struct master_lists *) p->data)->ulist;
cilist = ((struct master_lists *) p->data)->cilist;
}
else
{
struct master_lists *ml;
ulist = getlist ();
cilist = getlist ();
p = getnode ();
p->key = xstrdup (xdir);
p->type = UPDATE;
ml = (struct master_lists *)
xmalloc (sizeof (struct master_lists));
ml->ulist = ulist;
ml->cilist = cilist;
p->data = (char *) ml;
(void) addnode (mulist, p);
}
/* first do ulist, then cilist */
p = getnode ();
p->key = xstrdup (file);
p->type = UPDATE;
p->delproc = update_delproc;
p->data = (char *) status;
(void) addnode (ulist, p);
p = getnode ();
p->key = xstrdup (file);
p->type = UPDATE;
p->delproc = ci_delproc;
ci = (struct commit_info *) xmalloc (sizeof (struct commit_info));
ci->status = status;
if (vers->tag)
if (isdigit (*vers->tag))
ci->rev = xstrdup (vers->tag);
else
ci->rev = RCS_whatbranch (file, vers->tag, srcfiles);
else
ci->rev = (char *) NULL;
ci->tag = xstrdup (vers->tag);
p->data = (char *) ci;
(void) addnode (cilist, p);
break;
case T_UNKNOWN:
error (0, 0, "nothing known about `%s'", file);
freevers_ts (&vers);
return (1);
case T_UPTODATE:
break;
default:
error (0, 0, "Unknown status 0x%x for `%s'", status, file);
break;
}
freevers_ts (&vers);
return (0);
}
/*
* Print warm fuzzies while examining the dirs
*/
/* ARGSUSED */
static Dtype
check_direntproc (dir, repos, update_dir)
char *dir;
char *repos;
char *update_dir;
{
if (!quiet)
error (0, 0, "Examining %s", update_dir);
return (R_PROCESS);
}
/*
* Walklist proc to run pre-commit checks
*/
static int
precommit_list_proc (p)
Node *p;
{
if (p->data == (char *) T_ADDED || p->data == (char *) T_MODIFIED)
run_arg (p->key);
return (0);
}
/*
* Callback proc for pre-commit checking
*/
static List *ulist;
static int
precommit_proc (repository, filter)
char *repository;
char *filter;
{
/* see if the filter is there, only if it's a full path */
if (filter[0] == '/' && !isfile (filter))
{
error (0, errno, "cannot find pre-commit filter `%s'", filter);
return (1); /* so it fails! */
}
run_setup ("%s %s", filter, repository);
(void) walklist (ulist, precommit_list_proc);
return (run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL|RUN_REALLY));
}
/*
* Run the pre-commit checks for the dir
*/
/* ARGSUSED */
static int
check_filesdoneproc (err, repos, update_dir)
int err;
char *repos;
char *update_dir;
{
int n;
Node *p;
/* find the update list for this dir */
p = findnode (mulist, update_dir);
if (p != NULL)
ulist = ((struct master_lists *) p->data)->ulist;
else
ulist = (List *) NULL;
/* skip the checks if there's nothing to do */
if (ulist == NULL || ulist->list->next == ulist->list)
return (err);
/* run any pre-commit checks */
if ((n = Parse_Info (CVSROOTADM_COMMITINFO, repos, precommit_proc, 1)) > 0)
{
error (0, 0, "Pre-commit check failed");
err += n;
}
return (err);
}
/*
* Do the work of committing a file
*/
static int maxrev;
static char sbranch[PATH_MAX];
/* ARGSUSED */
static int
commit_fileproc (file, update_dir, repository, entries, srcfiles)
char *file;
char *update_dir;
char *repository;
List *entries;
List *srcfiles;
{
Node *p;
int err = 0;
List *ulist, *cilist;
struct commit_info *ci;
char rcs[PATH_MAX];
if (update_dir[0] == '\0')
p = findnode (mulist, ".");
else
p = findnode (mulist, update_dir);
/*
* if p is null, there were file type command line args which were
* all up-to-date so nothing really needs to be done
*/
if (p == NULL)
return (0);
ulist = ((struct master_lists *) p->data)->ulist;
cilist = ((struct master_lists *) p->data)->cilist;
/*
* At this point, we should have the commit message unless we were called
* with files as args from the command line. In that latter case, we
* need to get the commit message ourselves
*/
if (use_editor && !got_message)
{
got_message = 1;
do_editor (update_dir, message, repository, ulist);
}
p = findnode (cilist, file);
if (p == NULL)
return (0);
ci = (struct commit_info *) p->data;
if (ci->status == T_MODIFIED)
{
if (lockrcsfile (file, repository, ci->rev) != 0)
{
unlockrcs (file, repository);
return (1);
}
}
else if (ci->status == T_ADDED)
{
if (checkaddfile (file, repository, ci->tag) != 0)
{
fixaddfile (file, repository);
return (1);
}
}
/*
* Add the file for real
*/
if (ci->status == T_ADDED)
{
char *xrev = (char *) NULL;
if (ci->rev == NULL)
{
/* find the max major rev number in this directory */
maxrev = 0;
(void) walklist (entries, findmaxrev);
if (maxrev == 0)
maxrev = 1;
xrev = xmalloc (20);
(void) sprintf (xrev, "%d", maxrev);
}
/* XXX - an added file with symbolic -r should add tag as well */
err = finaladd (file, ci->rev ? ci->rev : xrev, ci->tag,
repository, entries);
if (xrev)
free (xrev);
return (err);
}
if (ci->status == T_MODIFIED)
{
locate_rcs (file, repository, rcs);
err = Checkin ('M', file, repository, rcs, ci->rev, ci->tag,
message, entries);
if (err != 0)
{
unlockrcs (file, repository);
fixbranch (file, repository, sbranch);
}
}
if (ci->status == T_REMOVED)
err = remove_file (file, repository, ci->tag, entries);
return (err);
}
/*
* Log the commit and clean up the update list
*/
/* ARGSUSED */
static int
commit_filesdoneproc (err, repository, update_dir)
int err;
char *repository;
char *update_dir;
{
List *ulist, *cilist;
char *xtag = (char *) NULL;
Node *p;
p = findnode (mulist, update_dir);
if (p != NULL)
{
ulist = ((struct master_lists *) p->data)->ulist;
cilist = ((struct master_lists *) p->data)->cilist;
}
else
return (err);
got_message = 0;
/* see if we need to specify a per-directory or -r option tag */
if (tag == NULL)
ParseTag (&xtag, (char **) NULL);
Update_Logfile (repository, message, tag ? tag : xtag, (FILE *) 0, ulist);
dellist (&ulist);
dellist (&cilist);
if (xtag)
free (xtag);
if (err == 0 && run_module_prog)
{
char *cp;
FILE *fp;
char line[MAXLINELEN];
char *repository;
/* It is not an error if Checkin.prog does not exist. */
if ((fp = fopen (CVSADM_CIPROG, "r")) != NULL)
{
if (fgets (line, sizeof (line), fp) != NULL)
{
if ((cp = rindex (line, '\n')) != NULL)
*cp = '\0';
repository = Name_Repository ((char *) NULL, update_dir);
run_setup ("%s %s", line, repository);
(void) printf ("%s %s: Executing '", program_name,
command_name);
run_print (stdout);
(void) printf ("'\n");
(void) run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL);
free (repository);
}
(void) fclose (fp);
}
}
return (err);
}
/*
* Get the log message for a dir and print a warm fuzzy
*/
/* ARGSUSED */
static Dtype
commit_direntproc (dir, repos, update_dir)
char *dir;
char *repos;
char *update_dir;
{
Node *p;
List *ulist;
char *real_repos;
/* find the update list for this dir */
p = findnode (mulist, update_dir);
if (p != NULL)
ulist = ((struct master_lists *) p->data)->ulist;
else
ulist = (List *) NULL;
/* skip the files as an optimization */
if (ulist == NULL || ulist->list->next == ulist->list)
return (R_SKIP_FILES);
/* print the warm fuzzy */
if (!quiet)
error (0, 0, "Committing %s", update_dir);
/* get commit message */
if (use_editor)
{
got_message = 1;
real_repos = Name_Repository (dir, update_dir);
do_editor (update_dir, message, real_repos, ulist);
free (real_repos);
}
return (R_PROCESS);
}
/*
* Process the post-commit proc if necessary
*/
/* ARGSUSED */
static int
commit_dirleaveproc (dir, err, update_dir)
char *dir;
int err;
char *update_dir;
{
/* update the per-directory tag info */
if (err == 0 && write_dirtag != NULL)
WriteTag ((char *) NULL, write_dirtag, (char *) NULL);
return (err);
}
/*
* find the maximum major rev number in an entries file
*/
static int
findmaxrev (p)
Node *p;
{
char *cp;
int thisrev;
Entnode *entdata;
entdata = (Entnode *) p->data;
cp = index (entdata->version, '.');
if (cp != NULL)
*cp = '\0';
thisrev = atoi (entdata->version);
if (cp != NULL)
*cp = '.';
if (thisrev > maxrev)
maxrev = thisrev;
return (0);
}
/*
* Actually remove a file by moving it to the attic
* XXX - if removing a ,v file that is a relative symbolic link to
* another ,v file, we probably should add a ".." component to the
* link to keep it relative after we move it into the attic.
*/
static int
remove_file (file, repository, tag, entries)
char *file;
char *repository;
char *tag;
List *entries;
{
int omask;
int retcode;
char rcs[PATH_MAX];
char tmp[PATH_MAX];
locate_rcs (file, repository, rcs);
if (tag)
{
/* a symbolic tag is specified; just remove the tag from the file */
run_setup ("%s%s -q -N%s", Rcsbin, RCS, tag);
run_arg (rcs);
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'", tag, rcs);
return (1);
}
return (0);
}
else
{
/* no symbolic tag specified; really move it into the Attic */
(void) sprintf (tmp, "%s/%s", repository, CVSATTIC);
omask = umask (2);
(void) mkdir (tmp, 0777);
(void) umask (omask);
(void) sprintf (tmp, "%s/%s/%s%s", repository, CVSATTIC, file, RCSEXT);
if ((strcmp (rcs, tmp) == 0 || rename (rcs, tmp) != -1) ||
(!isreadable (rcs) && isreadable (tmp)))
{
Scratch_Entry (entries, file);
return (0);
}
}
return (1);
}
/*
* Do the actual checkin for added files
*/
static int
finaladd (file, rev, tag, repository, entries)
char *file;
char *rev;
char *tag;
char *repository;
List *entries;
{
int ret;
char tmp[PATH_MAX];
char rcs[PATH_MAX];
locate_rcs (file, repository, rcs);
ret = Checkin ('A', file, repository, rcs, rev, tag,
message, entries);
if (ret == 0)
{
(void) sprintf (tmp, "%s/%s%s", CVSADM, file, CVSEXT_OPT);
(void) unlink_file (tmp);
(void) sprintf (tmp, "%s/%s%s", CVSADM, file, CVSEXT_LOG);
(void) unlink_file (tmp);
}
else
fixaddfile (file, repository);
return (ret);
}
/*
* Unlock an rcs file
*/
static void
unlockrcs (file, repository)
char *file;
char *repository;
{
char rcs[PATH_MAX];
int retcode = 0;
locate_rcs (file, repository, rcs);
run_setup ("%s%s -q -u", Rcsbin, RCS);
run_arg (rcs);
if ((retcode = run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL)) != 0)
error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
"could not unlock %s", rcs);
}
/*
* remove a partially added file. if we can parse it, leave it alone.
*/
static void
fixaddfile (file, repository)
char *file;
char *repository;
{
RCSNode *rcsfile;
char rcs[PATH_MAX];
int save_really_quiet;
locate_rcs (file, repository, rcs);
save_really_quiet = really_quiet;
really_quiet = 1;
if ((rcsfile = RCS_parsercsfile (rcs)) == NULL)
(void) unlink_file (rcs);
else
freercsnode (&rcsfile);
really_quiet = save_really_quiet;
}
/*
* put the branch back on an rcs file
*/
static void
fixbranch (file, repository, branch)
char *file;
char *repository;
char *branch;
{
char rcs[PATH_MAX];
int retcode = 0;
if (branch != NULL && branch[0] != '\0')
{
locate_rcs (file, repository, rcs);
run_setup ("%s%s -q -b%s", Rcsbin, RCS, branch);
run_arg (rcs);
if ((retcode = run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL)) != 0)
error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
"cannot restore branch to %s for %s", branch, rcs);
}
}
/*
* do the initial part of a file add for the named file. if adding
* with a tag, put the file in the Attic and point the symbolic tag
* at the committed revision.
*/
static int
checkaddfile (file, repository, tag)
char *file;
char *repository;
char *tag;
{
FILE *fp;
char *cp;
char rcs[PATH_MAX];
char fname[PATH_MAX];
int omask;
int retcode = 0;
if (tag)
{
(void) sprintf(rcs, "%s/%s", repository, CVSATTIC);
omask = umask (2);
(void) mkdir (rcs, 0777);
(void) umask (omask);
(void) sprintf (rcs, "%s/%s/%s%s", repository, CVSATTIC, file, RCSEXT);
}
else
locate_rcs (file, repository, rcs);
run_setup ("%s%s -i", Rcsbin, RCS);
run_args ("-t%s/%s%s", CVSADM, file, CVSEXT_LOG);
(void) sprintf (fname, "%s/%s%s", CVSADM, file, CVSEXT_OPT);
fp = open_file (fname, "r");
while (fgets (fname, sizeof (fname), fp) != NULL)
{
if ((cp = rindex (fname, '\n')) != NULL)
*cp = '\0';
if (*fname)
run_arg (fname);
}
(void) fclose (fp);
run_arg (rcs);
if ((retcode = run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL)) != 0)
{
error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
"could not create %s", rcs);
return (1);
}
fix_rcs_modes (rcs, file);
return (0);
}
/*
* Lock the rcs file ``file''
*/
static int
lockrcsfile (file, repository, rev)
char *file;
char *repository;
char *rev;
{
char rcs[PATH_MAX];
locate_rcs (file, repository, rcs);
if (lock_RCS (file, rcs, rev, repository) != 0)
return (1);
else
return (0);
}
/*
* Attempt to place a lock on the RCS file; returns 0 if it could and 1 if it
* couldn't. If the RCS file currently has a branch as the head, we must
* move the head back to the trunk before locking the file, and be sure to
* put the branch back as the head if there are any errors.
*/
static int
lock_RCS (user, rcs, rev, repository)
char *user;
char *rcs;
char *rev;
char *repository;
{
RCSNode *rcsfile;
char *branch = NULL;
int err = 0;
/*
* For a specified, numeric revision of the form "1" or "1.1", (or when
* no revision is specified ""), definitely move the branch to the trunk
* before locking the RCS file.
*
* The assumption is that if there is more than one revision on the trunk,
* the head points to the trunk, not a branch... and as such, it's not
* necessary to move the head in this case.
*/
if (rev == NULL || (rev && isdigit (*rev) && numdots (rev) < 2))
{
if ((rcsfile = RCS_parsercsfile (rcs)) == NULL)
{
/* invalid rcs file? */
err = 1;
}
else
{
/* rcsfile is valid */
branch = xstrdup (rcsfile->branch);
freercsnode (&rcsfile);
if (branch != NULL)
{
run_setup ("%s%s -q -b", Rcsbin, RCS);
run_arg (rcs);
if (run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL) != 0)
{
error (0, 0, "cannot change branch to default for %s",
rcs);
if (branch)
free (branch);
return (1);
}
}
run_setup ("%s%s -q -l", Rcsbin, RCS);
run_arg (rcs);
err = run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL);
}
}
else
{
run_setup ("%s%s -q -l%s", Rcsbin, RCS, rev ? rev : "");
run_arg (rcs);
(void) run_exec (RUN_TTY, RUN_TTY, DEVNULL, RUN_NORMAL);
}
if (err == 0)
{
if (branch)
{
(void) strcpy (sbranch, branch);
free (branch);
}
else
sbranch[0] = '\0';
return (0);
}
/* try to restore the branch if we can on error */
if (branch != NULL)
fixbranch (user, repository, branch);
if (branch)
free (branch);
return (1);
}
/*
* Called when "add"ing files to the RCS respository, as it is necessary to
* preserve the file modes in the same fashion that RCS does. This would be
* automatic except that we are placing the RCS ,v file very far away from
* the user file, and I can't seem to convince RCS of the location of the
* user file. So we munge it here, after the ,v file has been successfully
* initialized with "rcs -i".
*/
static void
fix_rcs_modes (rcs, user)
char *rcs;
char *user;
{
struct stat sb;
if (stat (user, &sb) != -1)
(void) chmod (rcs, (int) sb.st_mode & ~0222);
}
/*
* free an UPDATE node's data (really nothing to do)
*/
void
update_delproc (p)
Node *p;
{
p->data = (char *) NULL;
}
/*
* Free the commit_info structure in p.
*/
static void
ci_delproc (p)
Node *p;
{
struct commit_info *ci;
ci = (struct commit_info *) p->data;
if (ci->rev)
free (ci->rev);
if (ci->tag)
free (ci->tag);
free (ci);
}
/*
* Find an RCS file in the repository.
*/
static void
locate_rcs (file, repository, rcs)
char *file;
char *repository;
char *rcs;
{
(void) sprintf (rcs, "%s/%s%s", repository, file, RCSEXT);
if (!isreadable (rcs))
{
(void) sprintf (rcs, "%s/%s/%s%s", repository, CVSATTIC, file, RCSEXT);
if (!isreadable (rcs))
(void) sprintf (rcs, "%s/%s%s", repository, file, RCSEXT);
}
}