#include <assert.h>
#include "cvs.h"
static char *findslash PROTO((char *start, char *p));
static int checkout_proc PROTO((int *pargc, char **argv, char *where,
char *mwhere, char *mfile, int shorten,
int local_specified, char *omodule,
char *msg));
static int safe_location PROTO((void));
static const char *const checkout_usage[] =
{
"Usage:\n %s %s [-ANPRcflnps] [-r rev | -D date] [-d dir]\n",
" [-j rev1] [-j rev2] [-k kopt] modules...\n",
"\t-A\tReset any sticky tags/date/kopts.\n",
"\t-N\tDon't shorten module paths if -d specified.\n",
"\t-P\tPrune empty directories.\n",
"\t-R\tProcess directories recursively.\n",
"\t-c\t\"cat\" the module database.\n",
"\t-f\tForce a head revision match if tag/date not found.\n",
"\t-l\tLocal directory only, not recursive\n",
"\t-n\tDo not run module program (if any).\n",
"\t-p\tCheck out files to standard output (avoids stickiness).\n",
"\t-s\tLike -c, but include module status.\n",
"\t-r rev\tCheck out revision or tag. (implies -P) (is sticky)\n",
"\t-D date\tCheck out revisions as of date. (implies -P) (is sticky)\n",
"\t-d dir\tCheck out into dir instead of module name.\n",
"\t-k kopt\tUse RCS kopt -k option on checkout.\n",
"\t-j rev\tMerge in changes made between current revision and rev.\n",
"(Specify the --help global option for a list of other help options)\n",
NULL
};
static const char *const export_usage[] =
{
"Usage: %s %s [-NRfln] [-r rev | -D date] [-d dir] [-k kopt] module...\n",
"\t-N\tDon't shorten module paths if -d specified.\n",
"\t-f\tForce a head revision match if tag/date not found.\n",
"\t-l\tLocal directory only, not recursive\n",
"\t-R\tProcess directories recursively (default).\n",
"\t-n\tDo not run module program (if any).\n",
"\t-r rev\tExport revision or tag.\n",
"\t-D date\tExport revisions as of date.\n",
"\t-d dir\tExport into dir instead of module name.\n",
"\t-k kopt\tUse RCS kopt -k option on checkout.\n",
"(Specify the --help global option for a list of other help options)\n",
NULL
};
static int checkout_prune_dirs;
static int force_tag_match = 1;
static int pipeout;
static int aflag;
static char *options = NULL;
static char *tag = NULL;
static int tag_validated = 0;
static char *date = NULL;
static char *join_rev1 = NULL;
static char *join_rev2 = NULL;
static int join_tags_validated = 0;
static char *preload_update_dir = NULL;
static char *history_name = NULL;
int
checkout (argc, argv)
int argc;
char **argv;
{
int i;
int c;
DBM *db;
int cat = 0, err = 0, status = 0;
int run_module_prog = 1;
int local = 0;
int shorten = -1;
char *where = NULL;
char *valid_options;
const char *const *valid_usage;
enum mtype m_type;
if (strcmp (command_name, "export") == 0)
{
m_type = EXPORT;
valid_options = "+Nnk:d:flRQqr:D:";
valid_usage = export_usage;
}
else
{
m_type = CHECKOUT;
valid_options = "+ANnk:d:flRpQqcsr:D:j:P";
valid_usage = checkout_usage;
}
if (argc == -1)
usage (valid_usage);
ign_setup ();
wrap_setup ();
optind = 0;
while ((c = getopt (argc, argv, valid_options)) != -1)
{
switch (c)
{
case 'A':
aflag = 1;
break;
case 'N':
shorten = 0;
break;
case 'k':
if (options)
free (options);
options = RCS_check_kflag (optarg);
break;
case 'n':
run_module_prog = 0;
break;
case 'Q':
case 'q':
#ifdef SERVER_SUPPORT
if (!server_active)
#endif
error (1, 0,
"-q or -Q must be specified before \"%s\"",
command_name);
break;
case 'l':
local = 1;
break;
case 'R':
local = 0;
break;
case 'P':
checkout_prune_dirs = 1;
break;
case 'p':
pipeout = 1;
run_module_prog = 0;
noexec = 1;
break;
case 'c':
cat = 1;
break;
case 'd':
where = optarg;
if (shorten == -1)
shorten = 1;
break;
case 's':
status = 1;
break;
case 'f':
force_tag_match = 0;
break;
case 'r':
tag = optarg;
checkout_prune_dirs = 1;
break;
case 'D':
date = Make_Date (optarg);
checkout_prune_dirs = 1;
break;
case 'j':
if (join_rev2)
error (1, 0, "only two -j options can be specified");
if (join_rev1)
join_rev2 = optarg;
else
join_rev1 = optarg;
break;
case '?':
default:
usage (valid_usage);
break;
}
}
argc -= optind;
argv += optind;
if (shorten == -1)
shorten = 0;
if ((cat || status) && argc != 0)
error (1, 0, "-c and -s must not get any arguments");
if (!(cat || status) && argc == 0)
error (1, 0, "must specify at least one module or directory");
if (where && pipeout)
error (1, 0, "-d and -p are mutually exclusive");
if (strcmp (command_name, "export") == 0)
{
if (!tag && !date)
error (1, 0, "must specify a tag or date");
if (tag && isdigit (tag[0]))
error (1, 0, "tag `%s' must be a symbolic tag", tag);
}
#ifdef SERVER_SUPPORT
if (server_active && where != NULL)
{
server_pathname_check (where);
}
#endif
if (!safe_location()) {
error(1, 0, "Cannot check out files into the repository itself");
}
#ifdef CLIENT_SUPPORT
if (client_active)
{
int expand_modules;
start_server ();
ign_setup ();
expand_modules = (!cat && !status && !pipeout
&& supported_request ("expand-modules"));
if (expand_modules)
{
client_expand_modules (argc, argv, local);
}
if (!run_module_prog)
send_arg ("-n");
if (local)
send_arg ("-l");
if (pipeout)
send_arg ("-p");
if (!force_tag_match)
send_arg ("-f");
if (aflag)
send_arg("-A");
if (!shorten)
send_arg("-N");
if (checkout_prune_dirs && strcmp (command_name, "export") != 0)
send_arg("-P");
client_prune_dirs = checkout_prune_dirs;
if (cat)
send_arg("-c");
if (where != NULL)
option_with_arg ("-d", where);
if (status)
send_arg("-s");
if (options != NULL && options[0] != '\0')
send_arg (options);
option_with_arg ("-r", tag);
if (date)
client_senddate (date);
if (join_rev1 != NULL)
option_with_arg ("-j", join_rev1);
if (join_rev2 != NULL)
option_with_arg ("-j", join_rev2);
if (expand_modules)
{
client_send_expansions (local, where, 1);
}
else
{
int i;
for (i = 0; i < argc; ++i)
send_arg (argv[i]);
client_nonexpanded_setup ();
}
send_to_server (strcmp (command_name, "export") == 0 ?
"export\012" : "co\012",
0);
return get_responses_and_close ();
}
#endif
if (cat || status)
{
cat_module (status);
if (options)
free (options);
return (0);
}
db = open_module ();
if (argc > 1)
shorten = 0;
if (strcmp (command_name, "export") != 0 && !pipeout)
{
if (tag && date)
{
history_name = xmalloc (strlen (tag) + strlen (date) + 2);
sprintf (history_name, "%s:%s", tag, date);
}
else if (tag)
history_name = tag;
else
history_name = date;
}
for (i = 0; i < argc; i++)
err += do_module (db, argv[i], m_type, "Updating", checkout_proc,
where, shorten, local, run_module_prog,
(char *) NULL);
close_module (db);
if (options)
free (options);
return (err);
}
static int
safe_location ()
{
char *current;
char hardpath[PATH_MAX+5];
size_t hardpath_len;
int x;
int retval;
#ifdef HAVE_READLINK
x = readlink(CVSroot_directory, hardpath, sizeof hardpath - 1);
#else
x = -1;
#endif
if (x == -1)
{
strcpy(hardpath, CVSroot_directory);
}
else
{
hardpath[x] = '\0';
}
current = xgetwd ();
if (current == NULL)
error (1, errno, "could not get working directory");
hardpath_len = strlen (hardpath);
if (strlen (current) >= hardpath_len
&& strncmp (current, hardpath, hardpath_len) == 0)
{
if (
current[hardpath_len] == '/'
|| current[hardpath_len] == '\0')
retval = 0;
else
retval = 1;
}
else
retval = 1;
free (current);
return retval;
}
struct dir_to_build
{
char *repository;
char *dirpath;
int just_chdir;
struct dir_to_build *next;
};
static int build_dirs_and_chdir PROTO ((struct dir_to_build *list,
int sticky));
static void build_one_dir PROTO ((char *, char *, int));
static void
build_one_dir (repository, dirpath, sticky)
char *repository;
char *dirpath;
int sticky;
{
FILE *fp;
if (!isfile (CVSADM) && strcmp (command_name, "export") != 0)
{
if (!isdir (repository))
error (1, 0, "there is no repository %s", repository);
if (Create_Admin (".", dirpath, repository,
sticky ? (char *) NULL : tag,
sticky ? (char *) NULL : date,
0, 1))
return;
if (!noexec)
{
fp = open_file (CVSADM_ENTSTAT, "w+");
if (fclose (fp) == EOF)
error (1, errno, "cannot close %s", CVSADM_ENTSTAT);
#ifdef SERVER_SUPPORT
if (server_active)
server_set_entstat (dirpath, repository);
#endif
}
}
}
static int
checkout_proc (pargc, argv, where_orig, mwhere, mfile, shorten,
local_specified, omodule, msg)
int *pargc;
char **argv;
char *where_orig;
char *mwhere;
char *mfile;
int shorten;
int local_specified;
char *omodule;
char *msg;
{
int err = 0;
int which;
char *cp;
char *repository;
char *oldupdate = NULL;
char *where;
repository = xmalloc (strlen (CVSroot_directory)
+ strlen (argv[0])
+ (mfile == NULL ? 0 : strlen (mfile))
+ 10);
(void) sprintf (repository, "%s/%s", CVSroot_directory, argv[0]);
Sanitize_Repository_Name (repository);
if (preload_update_dir != NULL)
oldupdate = xstrdup (preload_update_dir);
where = xmalloc (strlen (argv[0])
+ (mfile == NULL ? 0 : strlen (mfile))
+ (mwhere == NULL ? 0 : strlen (mwhere))
+ (where_orig == NULL ? 0 : strlen (where_orig))
+ 10);
if (shorten)
{
if (where_orig != NULL)
{
(void) strcpy (where, where_orig);
}
else if (mwhere != NULL)
{
(void) strcpy (where, mwhere);
}
else
{
(void) strcpy (where, argv[0]);
}
}
else
{
*where = '\0';
if (where_orig != NULL)
{
(void) strcat (where, where_orig);
(void) strcat (where, "/");
}
if ((mwhere != NULL) && (! isabsolute (mwhere)))
(void) strcat (where, mwhere);
else
(void) strcat (where, argv[0]);
}
strip_trailing_slashes (where);
if (mfile != NULL)
{
char *cp;
char *path;
if (mfile[strlen (mfile) - 1] == '/')
{
error (0, 0, "checkout_proc: trailing slash on mfile (%s)!",
mfile);
}
cp = strrchr (mfile, '/');
if (cp != NULL)
{
*cp = '\0';
(void) strcat (repository, "/");
(void) strcat (repository, mfile);
(void) strcat (where, "/");
(void) strcat (where, mfile);
mfile = cp + 1;
}
path = xmalloc (strlen (repository) + strlen (mfile) + 5);
(void) sprintf (path, "%s/%s", repository, mfile);
if (isdir (path))
{
(void) strcat (repository, "/");
(void) strcat (repository, mfile);
(void) strcat (where, "/");
(void) strcat (where, mfile);
}
else
{
int i;
if (*pargc > 1)
{
error (0, 0, "checkout_proc: trashing argv elements!");
for (i = 1; i < *pargc; i++)
{
error (0, 0, "checkout_proc: argv[%d] `%s'",
i, argv[i]);
}
}
for (i = 1; i < *pargc; i++)
free (argv[i]);
argv[1] = xstrdup (mfile);
(*pargc) = 2;
}
free (path);
}
if (preload_update_dir != NULL)
{
preload_update_dir =
xrealloc (preload_update_dir,
strlen (preload_update_dir) + strlen (where) + 5);
strcat (preload_update_dir, "/");
strcat (preload_update_dir, where);
}
else
preload_update_dir = xstrdup (where);
if (!pipeout)
{
struct dir_to_build *head;
char *reposcopy;
if (strncmp (repository, CVSroot_directory,
strlen (CVSroot_directory)) != 0)
error (1, 0, "\
internal error: %s doesn't start with %s in checkout_proc",
repository, CVSroot_directory);
head = (struct dir_to_build *) xmalloc (sizeof (struct dir_to_build));
head->repository = NULL;
head->dirpath = xstrdup (where);
head->next = NULL;
head->just_chdir = 0;
reposcopy = xstrdup (repository);
cp = where + strlen (where);
while (1)
{
struct dir_to_build *new;
cp = findslash (where, cp - 1);
if (cp == NULL)
break;
new = (struct dir_to_build *)
xmalloc (sizeof (struct dir_to_build));
new->dirpath = xmalloc (strlen (where));
if (cp - where)
{
strncpy (new->dirpath, where, cp - where);
new->dirpath[cp - where] = '\0';
}
else
{
assert (strlen (where));
strcpy (new->dirpath, "/");
}
new->next = head;
head = new;
if (where_orig != NULL
&& cp - where < strlen (where_orig))
{
new->repository = NULL;
new->just_chdir = 1;
continue;
}
new->just_chdir = 0;
if (strcmp (reposcopy, CVSroot_directory) == 0)
{
new->repository = emptydir_name ();
}
else
{
if ((where_orig != NULL)
&& (strcmp (new->dirpath, where_orig) == 0))
{
strcpy (reposcopy, CVSroot_directory);
goto allocate_repos;
}
else if (mwhere != NULL)
{
new->repository = emptydir_name ();
}
else
{
char *rp = strrchr (reposcopy, '/');
if (rp == NULL)
error (1, 0,
"internal error: %s doesn't contain a slash",
reposcopy);
*rp = '\0';
allocate_repos:
new->repository = xmalloc (strlen (reposcopy) + 5);
(void) strcpy (new->repository, reposcopy);
if (strcmp (reposcopy, CVSroot_directory) == 0)
{
(void) strcat (new->repository, "/.");
}
}
}
}
free (reposcopy);
{
int where_is_absolute = isabsolute (where);
if (! where_is_absolute && top_level_admin)
{
build_one_dir (CVSroot_directory, ".", *pargc <= 1);
#ifdef SERVER_SUPPORT
if (server_active)
server_clear_entstat (".", CVSroot_directory);
#endif
}
if (build_dirs_and_chdir (head, *pargc <= 1) != 0)
{
error (0, 0, "ignoring module %s", omodule);
err = 1;
goto out;
}
}
if (!isfile (CVSADM))
{
FILE *fp;
if (!noexec && *pargc > 1)
{
if (!isdir (repository))
error (1, 0, "there is no repository %s", repository);
Create_Admin (".", preload_update_dir, repository,
(char *) NULL, (char *) NULL, 0, 0);
fp = open_file (CVSADM_ENTSTAT, "w+");
if (fclose(fp) == EOF)
error(1, errno, "cannot close %s", CVSADM_ENTSTAT);
#ifdef SERVER_SUPPORT
if (server_active)
server_set_entstat (where, repository);
#endif
}
else
{
if (!isdir (repository))
error (1, 0, "there is no repository %s", repository);
Create_Admin (".", preload_update_dir, repository, tag, date,
0, 0);
}
}
else
{
char *repos;
repos = Name_Repository ((char *) NULL, preload_update_dir);
if (fncmp (repository, repos) != 0)
{
error (0, 0, "existing repository %s does not match %s",
repos, repository);
error (0, 0, "ignoring module %s", omodule);
free (repos);
err = 1;
goto out;
}
free (repos);
}
}
if (pipeout)
{
if ( CVS_CHDIR (repository) < 0)
{
error (0, errno, "cannot chdir to %s", repository);
err = 1;
goto out;
}
which = W_REPOS;
if (tag != NULL && !tag_validated)
{
tag_check_valid (tag, *pargc - 1, argv + 1, 0, aflag, NULL);
tag_validated = 1;
}
}
else
{
which = W_LOCAL | W_REPOS;
if (tag != NULL && !tag_validated)
{
tag_check_valid (tag, *pargc - 1, argv + 1, 0, aflag,
repository);
tag_validated = 1;
}
}
if (tag != NULL || date != NULL || join_rev1 != NULL)
which |= W_ATTIC;
if (! join_tags_validated)
{
if (join_rev1 != NULL)
tag_check_valid_join (join_rev1, *pargc - 1, argv + 1, 0, aflag,
repository);
if (join_rev2 != NULL)
tag_check_valid_join (join_rev2, *pargc - 1, argv + 1, 0, aflag,
repository);
join_tags_validated = 1;
}
if (!(local_specified || *pargc > 1))
{
if (strcmp (command_name, "export") != 0 && !pipeout)
history_write ('O', preload_update_dir, history_name, where,
repository);
else if (strcmp (command_name, "export") == 0 && !pipeout)
history_write ('E', preload_update_dir, tag ? tag : date, where,
repository);
err += do_update (0, (char **) NULL, options, tag, date,
force_tag_match, 0 ,
1 , aflag, checkout_prune_dirs,
pipeout, which, join_rev1, join_rev2,
preload_update_dir);
goto out;
}
if (!pipeout)
{
int i;
List *entries;
entries = Entries_Open (0, NULL);
for (i = 1; i < *pargc; i++)
{
char *line;
Vers_TS *vers;
struct file_info finfo;
memset (&finfo, 0, sizeof finfo);
finfo.file = argv[i];
finfo.update_dir = NULL;
finfo.fullname = argv[i];
finfo.repository = repository;
finfo.entries = entries;
finfo.rcs = RCS_parse (finfo.file, repository);
vers = Version_TS (&finfo, options, tag, date,
force_tag_match, 0);
if (vers->ts_user == NULL)
{
line = xmalloc (strlen (finfo.file) + 15);
(void) sprintf (line, "Initial %s", finfo.file);
Register (entries, finfo.file,
vers->vn_rcs ? vers->vn_rcs : "0",
line, vers->options, vers->tag,
vers->date, (char *) 0);
free (line);
}
freevers_ts (&vers);
freercsnode (&finfo.rcs);
}
Entries_Close (entries);
}
if (strcmp (command_name, "export") != 0 && !pipeout)
history_write ('O', preload_update_dir, history_name, where,
repository);
err += do_update (*pargc - 1, argv + 1, options, tag, date,
force_tag_match, local_specified, 1 ,
aflag, checkout_prune_dirs, pipeout, which, join_rev1,
join_rev2, preload_update_dir);
out:
free (preload_update_dir);
preload_update_dir = oldupdate;
free (where);
free (repository);
return (err);
}
static char *
findslash (start, p)
char *start;
char *p;
{
while (p >= start && *p != '/')
p--;
if (p < start)
return (NULL);
else
return (p);
}
char *
emptydir_name ()
{
char *repository;
repository = xmalloc (strlen (CVSroot_directory)
+ sizeof (CVSROOTADM)
+ sizeof (CVSNULLREPOS)
+ 10);
(void) sprintf (repository, "%s/%s/%s", CVSroot_directory,
CVSROOTADM, CVSNULLREPOS);
if (!isfile (repository))
{
mode_t omask;
omask = umask (cvsumask);
if (CVS_MKDIR (repository, 0777) < 0)
error (1, errno, "cannot create %s", repository);
(void) umask (omask);
}
return repository;
}
static int
build_dirs_and_chdir (dirs, sticky)
struct dir_to_build *dirs;
int sticky;
{
int retval = 0;
struct dir_to_build *nextdir;
while (dirs != NULL)
{
char *dir = last_component (dirs->dirpath);
if (!dirs->just_chdir)
{
mkdir_if_needed (dir);
Subdir_Register (NULL, NULL, dir);
}
if (CVS_CHDIR (dir) < 0)
{
error (0, errno, "cannot chdir to %s", dir);
retval = 1;
goto out;
}
if (dirs->repository != NULL)
{
build_one_dir (dirs->repository, dirs->dirpath, sticky);
free (dirs->repository);
}
nextdir = dirs->next;
free (dirs->dirpath);
free (dirs);
dirs = nextdir;
}
out:
return retval;
}