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-rw-r--r--src/ls.c688
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diff --git a/src/ls.c b/src/ls.c
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+++ b/src/ls.c
@@ -0,0 +1,688 @@
+/*
+ * Copyright (c) 1992, Brian Berliner and Jeff Polk
+ * Copyright (c) 1989-1992, Brian Berliner
+ * Copyright (c) 2001, Tony Hoyle
+ * Copyright (c) 2004, Derek R. Price & Ximbiot <http://ximbiot.com>
+ *
+ * You may distribute under the terms of the GNU General Public License as
+ * specified in the README file that comes with the CVS source distribution.
+ *
+ * Query CVS/Entries from server
+ */
+
+#include "cvs.h"
+#include <stdbool.h>
+
+static int ls_proc (int argc, char **argv, char *xwhere, char *mwhere,
+ char *mfile, int shorten, int local, char *mname,
+ char *msg);
+
+static const char *const ls_usage[] =
+{
+ "Usage: %s %s [-e | -l] [-RP] [-r rev] [-D date] [path...]\n",
+ "\t-d\tShow dead revisions (with tag when specified).\n",
+ "\t-e\tDisplay in CVS/Entries format.\n",
+ "\t-l\tDisplay all details.\n",
+ "\t-P\tPrune empty directories.\n",
+ "\t-R\tList recursively.\n",
+ "\t-r rev\tShow files with revision or tag.\n",
+ "\t-D date\tShow files from date.\n",
+ "(Specify the --help global option for a list of other help options)\n",
+ NULL
+};
+
+static bool entries_format;
+static bool long_format;
+static char *show_tag;
+static char *show_date;
+static bool set_tag;
+static char *created_dir;
+static bool tag_validated;
+static bool recurse;
+static bool ls_prune_dirs;
+static char *regexp_match;
+static bool is_rls;
+static bool show_dead_revs;
+
+
+
+int
+ls (int argc, char **argv)
+{
+ int c;
+ int err = 0;
+
+ is_rls = strcmp (cvs_cmd_name, "rls") == 0;
+
+ if (argc == -1)
+ usage (ls_usage);
+
+ entries_format = false;
+ long_format = false;
+ show_tag = NULL;
+ show_date = NULL;
+ tag_validated = false;
+ recurse = false;
+ ls_prune_dirs = false;
+ show_dead_revs = false;
+
+ optind = 0;
+
+ while ((c = getopt (argc, argv,
+#ifdef SERVER_SUPPORT
+ server_active ? "qdelr:D:PR" :
+#endif /* SERVER_SUPPORT */
+ "delr:D:RP"
+ )) != -1)
+ {
+ switch (c)
+ {
+#ifdef SERVER_SUPPORT
+ case 'q':
+ if (server_active)
+ {
+ error (0, 0,
+"`%s ls -q' is deprecated. Please use the global `-q' option instead.",
+ program_name);
+ quiet = true;
+ }
+ else
+ usage (ls_usage);
+ break;
+#endif /* SERVER_SUPPORT */
+ case 'd':
+ show_dead_revs = true;
+ break;
+ case 'e':
+ entries_format = true;
+ break;
+ case 'l':
+ long_format = true;
+ break;
+ case 'r':
+ parse_tagdate (&show_tag, &show_date, optarg);
+ break;
+ case 'D':
+ if (show_date) free (show_date);
+ show_date = Make_Date (optarg);
+ break;
+ case 'P':
+ ls_prune_dirs = true;
+ break;
+ case 'R':
+ recurse = true;
+ break;
+ case '?':
+ default:
+ usage (ls_usage);
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (entries_format && long_format)
+ {
+ error (0, 0, "`-e' & `-l' are mutually exclusive.");
+ usage (ls_usage);
+ }
+
+ wrap_setup ();
+
+#ifdef CLIENT_SUPPORT
+ if (current_parsed_root->isremote)
+ {
+ /* We're the local client. Fire up the remote server. */
+ start_server ();
+
+ ign_setup ();
+
+ if (is_rls ? !(supported_request ("rlist") || supported_request ("ls"))
+ : !supported_request ("list"))
+ error (1, 0, "server does not support %s", cvs_cmd_name);
+
+ if (quiet && !supported_request ("global-list-quiet"))
+ send_arg ("-q");
+ if (entries_format)
+ send_arg ("-e");
+ if (long_format)
+ send_arg ("-l");
+ if (ls_prune_dirs)
+ send_arg ("-P");
+ if (recurse)
+ send_arg ("-R");
+ if (show_dead_revs)
+ send_arg ("-d");
+ if (show_tag)
+ option_with_arg ("-r", show_tag);
+ if (show_date)
+ client_senddate (show_date);
+
+ send_arg ("--");
+
+ if (is_rls)
+ {
+ int i;
+ for (i = 0; i < argc; i++)
+ send_arg (argv[i]);
+ if (supported_request ("rlist"))
+ send_to_server ("rlist\012", 0);
+ else
+ /* For backwards compatibility with CVSNT... */
+ send_to_server ("ls\012", 0);
+ }
+ else
+ {
+ /* Setting this means, I think, that any empty directories created
+ * by the server will be deleted by the client. Since any dirs
+ * created at all by ls should remain empty, this should cause any
+ * dirs created by the server for the ls command to be deleted.
+ */
+ client_prune_dirs = 1;
+
+ /* I explicitly decide not to send contents here. We *could* let
+ * the user pull status information with this command, but why
+ * don't they just use update or status?
+ */
+ send_files (argc, argv, !recurse, 0, SEND_NO_CONTENTS);
+ send_file_names (argc, argv, SEND_EXPAND_WILD);
+ send_to_server ("list\012", 0);
+ }
+
+ err = get_responses_and_close ();
+ return err;
+ }
+#endif
+
+ if (is_rls)
+ {
+ DBM *db;
+ int i;
+ db = open_module ();
+ if (argc)
+ {
+ for (i = 0; i < argc; i++)
+ {
+ char *mod = xstrdup (argv[i]);
+ char *p;
+
+ for (p=strchr (mod,'\\'); p; p=strchr (p,'\\'))
+ *p='/';
+
+ p = strrchr (mod,'/');
+ if (p && (strchr (p,'?') || strchr (p,'*')))
+ {
+ *p='\0';
+ regexp_match = p+1;
+ }
+ else
+ regexp_match = NULL;
+
+ /* Frontends like to do 'ls -q /', so we support it explicitly.
+ */
+ if (!strcmp (mod,"/"))
+ {
+ *mod='\0';
+ }
+
+ err += do_module (db, mod, MISC, "Listing",
+ ls_proc, NULL, 0, 0, 0, 0, NULL);
+
+ free (mod);
+ }
+ }
+ else
+ {
+ /* should be ".", but do_recursion()
+ fails this: assert ( strstr ( repository, "/./" ) == NULL ); */
+ char *topmod = xstrdup ("");
+ err += do_module (db, topmod, MISC, "Listing",
+ ls_proc, NULL, 0, 0, 0, 0, NULL);
+ free (topmod);
+ }
+ close_module (db);
+ }
+ else
+ ls_proc (argc + 1, argv - 1, NULL, NULL, NULL, 0, 0, NULL, NULL);
+
+ return err;
+}
+
+
+
+struct long_format_data
+{
+ char *header;
+ char *time;
+ char *footer;
+};
+
+static int
+ls_print (Node *p, void *closure)
+{
+ if (long_format)
+ {
+ struct long_format_data *data = p->data;
+ cvs_output_tagged ("text", data->header);
+ if (data->time)
+ cvs_output_tagged ("date", data->time);
+ if (data->footer)
+ cvs_output_tagged ("text", data->footer);
+ cvs_output_tagged ("newline", NULL);
+ }
+ else
+ cvs_output (p->data, 0);
+ return 0;
+}
+
+
+
+static int
+ls_print_dir (Node *p, void *closure)
+{
+ static bool printed = false;
+
+ if (recurse && !(ls_prune_dirs && list_isempty (p->data)))
+ {
+ /* Keep track of whether we've printed. If we have, then put a blank
+ * line before directory headers, to separate the header from the
+ * listing of the previous directory.
+ */
+ if (printed)
+ cvs_output ("\n", 1);
+ else
+ printed = true;
+
+ if (!strcmp (p->key, ""))
+ cvs_output (".", 1);
+ else
+ cvs_output (p->key, 0);
+ cvs_output (":\n", 2);
+ }
+ walklist (p->data, ls_print, NULL);
+ return 0;
+}
+
+
+
+/*
+ * Delproc for a node containing a struct long_format_data as data.
+ */
+static void
+long_format_data_delproc (Node *n)
+{
+ struct long_format_data *data = (struct long_format_data *)n->data;
+ if (data->header) free (data->header);
+ if (data->time) free (data->time);
+ if (data->footer) free (data->footer);
+ free (data);
+}
+
+
+
+/* A delproc for a List Node containing a List *. */
+static void
+ls_delproc (Node *p)
+{
+ dellist ((List **)&p->data);
+}
+
+
+
+/*
+ * Add a file to our list of data to print for a directory.
+ */
+/* ARGSUSED */
+static int
+ls_fileproc (void *callerdat, struct file_info *finfo)
+{
+ Vers_TS *vers;
+ char *regex_err;
+ Node *p, *n;
+ bool isdead;
+ const char *filename;
+
+ if (regexp_match)
+ {
+#ifdef FILENAMES_CASE_INSENSITIVE
+ re_set_syntax (REG_ICASE|RE_SYNTAX_EGREP);
+#else
+ re_set_syntax (RE_SYNTAX_EGREP);
+#endif
+ if ((regex_err = re_comp (regexp_match)) != NULL)
+ {
+ error (1, 0, "bad regular expression passed to 'ls': %s",
+ regex_err);
+ }
+ if (re_exec (finfo->file) == 0)
+ return 0; /* no match */
+ }
+
+ vers = Version_TS (finfo, NULL, show_tag, show_date, 1, 0);
+ /* Skip dead revisions unless specifically requested to do otherwise.
+ * We also bother to check for long_format so we can print the state.
+ */
+ if (vers->vn_rcs && (!show_dead_revs || long_format))
+ isdead = RCS_isdead (finfo->rcs, vers->vn_rcs);
+ else
+ isdead = false;
+ if (!vers->vn_rcs || (!show_dead_revs && isdead))
+ {
+ freevers_ts (&vers);
+ return 0;
+ }
+
+ p = findnode (callerdat, finfo->update_dir);
+ if (!p)
+ {
+ /* This only occurs when a complete path to a file is specified on the
+ * command line. Put the file in the root list.
+ */
+ filename = finfo->fullname;
+
+ /* Add update_dir node. */
+ p = findnode (callerdat, ".");
+ if (!p)
+ {
+ p = getnode ();
+ p->key = xstrdup (".");
+ p->data = getlist ();
+ p->delproc = ls_delproc;
+ addnode (callerdat, p);
+ }
+ }
+ else
+ filename = finfo->file;
+
+ n = getnode();
+ if (entries_format)
+ {
+ char *outdate = entries_time (RCS_getrevtime (finfo->rcs, vers->vn_rcs,
+ 0, 0));
+ n->data = Xasprintf ("/%s/%s/%s/%s/%s%s\n",
+ filename, vers->vn_rcs,
+ outdate, vers->options,
+ show_tag ? "T" : "", show_tag ? show_tag : "");
+ free (outdate);
+ }
+ else if (long_format)
+ {
+ struct long_format_data *out =
+ xmalloc (sizeof (struct long_format_data));
+ out->header = Xasprintf ("%-5.5s",
+ vers->options[0] != '\0' ? vers->options
+ : "----");
+ /* FIXME: Do we want to mimc the real `ls' command's date format? */
+ out->time = gmformat_time_t (RCS_getrevtime (finfo->rcs, vers->vn_rcs,
+ 0, 0));
+ out->footer = Xasprintf (" %-9.9s%s %s%s", vers->vn_rcs,
+ strlen (vers->vn_rcs) > 9 ? "+" : " ",
+ show_dead_revs ? (isdead ? "dead " : " ")
+ : "",
+ filename);
+ n->data = out;
+ n->delproc = long_format_data_delproc;
+ }
+ else
+ n->data = Xasprintf ("%s\n", filename);
+
+ addnode (p->data, n);
+
+ freevers_ts (&vers);
+ return 0;
+}
+
+
+
+/*
+ * Add this directory to the list of data to be printed for a directory and
+ * decide whether to tell the recursion processor whether to continue
+ * recursing or not.
+ */
+static Dtype
+ls_direntproc (void *callerdat, const char *dir, const char *repos,
+ const char *update_dir, List *entries)
+{
+ Dtype retval;
+ Node *p;
+
+ /* Due to the way we called start_recursion() from ls_proc() with a single
+ * argument at a time, we can assume that if we don't yet have a parent
+ * directory in DIRS then this directory should be processed.
+ */
+
+ if (strcmp (dir, "."))
+ {
+ /* Search for our parent directory. */
+ char *parent;
+ parent = xmalloc (strlen (update_dir) - strlen (dir) + 1);
+ strncpy (parent, update_dir, strlen (update_dir) - strlen (dir));
+ parent[strlen (update_dir) - strlen (dir)] = '\0';
+ strip_trailing_slashes (parent);
+ p = findnode (callerdat, parent);
+ }
+ else
+ p = NULL;
+
+ if (p)
+ {
+ /* Push this dir onto our parent directory's listing. */
+ Node *n = getnode();
+
+ if (entries_format)
+ n->data = Xasprintf ("D/%s////\n", dir);
+ else if (long_format)
+ {
+ struct long_format_data *out =
+ xmalloc (sizeof (struct long_format_data));
+ out->header = xstrdup ("d--- ");
+ out->time = gmformat_time_t (unix_time_stamp (repos));
+ out->footer = Xasprintf ("%12s%s%s", "",
+ show_dead_revs ? " " : "", dir);
+ n->data = out;
+ n->delproc = long_format_data_delproc;
+ }
+ else
+ n->data = Xasprintf ("%s\n", dir);
+
+ addnode (p->data, n);
+ }
+
+ if (!p || recurse)
+ {
+ /* Create a new list for this directory. */
+ p = getnode ();
+ p->key = xstrdup (strcmp (update_dir, ".") ? update_dir : "");
+ p->data = getlist ();
+ p->delproc = ls_delproc;
+ addnode (callerdat, p);
+
+ /* Create a local directory and mark it as needing deletion. This is
+ * the behavior the recursion processor relies upon, a la update &
+ * checkout.
+ */
+ if (!isdir (dir))
+ {
+ int nonbranch;
+ if (show_tag == NULL && show_date == NULL)
+ {
+ ParseTag (&show_tag, &show_date, &nonbranch);
+ set_tag = true;
+ }
+
+ if (!created_dir)
+ created_dir = xstrdup (update_dir);
+
+ make_directory (dir);
+ Create_Admin (dir, update_dir, repos, show_tag, show_date,
+ nonbranch, 0, 0);
+ Subdir_Register (entries, NULL, dir);
+ }
+
+ /* Tell do_recursion to keep going. */
+ retval = R_PROCESS;
+ }
+ else
+ retval = R_SKIP_ALL;
+
+ return retval;
+}
+
+
+
+/* Clean up tags, dates, and dirs if we created this directory.
+ */
+static int
+ls_dirleaveproc (void *callerdat, const char *dir, int err,
+ const char *update_dir, List *entries)
+{
+ if (created_dir && !strcmp (created_dir, update_dir))
+ {
+ if (set_tag)
+ {
+ if (show_tag) free (show_tag);
+ if (show_date) free (show_date);
+ show_tag = show_date = NULL;
+ set_tag = false;
+ }
+
+ (void)CVS_CHDIR ("..");
+ if (unlink_file_dir (dir))
+ error (0, errno, "Failed to remove directory `%s'",
+ created_dir);
+ Subdir_Deregister (entries, NULL, dir);
+
+ free (created_dir);
+ created_dir = NULL;
+ }
+ return err;
+}
+
+
+
+static int
+ls_proc (int argc, char **argv, char *xwhere, char *mwhere, char *mfile,
+ int shorten, int local, char *mname, char *msg)
+{
+ char *repository;
+ int err = 0;
+ int which;
+ char *where;
+ int i;
+
+ if (is_rls)
+ {
+ char *myargv[2];
+
+ if (!quiet)
+ error (0, 0, "Listing module: `%s'",
+ strcmp (mname, "") ? mname : ".");
+
+ repository = xmalloc (strlen (current_parsed_root->directory)
+ + strlen (argv[0])
+ + (mfile == NULL ? 0 : strlen (mfile) + 1)
+ + 2);
+ (void)sprintf (repository, "%s/%s", current_parsed_root->directory,
+ argv[0]);
+ where = xmalloc (strlen (argv[0])
+ + (mfile == NULL ? 0 : strlen (mfile) + 1)
+ + 1);
+ (void)strcpy (where, argv[0]);
+
+ /* If mfile isn't null, we need to set up to do only part of the
+ * module.
+ */
+ if (mfile != NULL)
+ {
+ char *cp;
+ char *path;
+
+ /* If the portion of the module is a path, put the dir part on
+ * repos.
+ */
+ if ((cp = strrchr (mfile, '/')) != NULL)
+ {
+ *cp = '\0';
+ (void)strcat (repository, "/");
+ (void)strcat (repository, mfile);
+ (void)strcat (where, "/");
+ (void)strcat (where, mfile);
+ mfile = cp + 1;
+ }
+
+ /* take care of the rest */
+ path = Xasprintf ("%s/%s", repository, mfile);
+ if (isdir (path))
+ {
+ /* directory means repository gets the dir tacked on */
+ (void)strcpy (repository, path);
+ (void)strcat (where, "/");
+ (void)strcat (where, mfile);
+ }
+ else
+ {
+ myargv[1] = mfile;
+ argc = 2;
+ argv = myargv;
+ }
+ free (path);
+ }
+
+ /* cd to the starting repository */
+ if (CVS_CHDIR (repository) < 0)
+ {
+ error (0, errno, "cannot chdir to %s", repository);
+ free (repository);
+ free (where);
+ return 1;
+ }
+
+ which = W_REPOS;
+ }
+ else /* !is_rls */
+ {
+ repository = NULL;
+ where = NULL;
+ which = W_LOCAL | W_REPOS;
+ }
+
+ if (show_tag || show_date || show_dead_revs)
+ which |= W_ATTIC;
+
+ if (show_tag != NULL && !tag_validated)
+ {
+ tag_check_valid (show_tag, argc - 1, argv + 1, local, 0, repository,
+ false);
+ tag_validated = true;
+ }
+
+ /* Loop on argc so that we are guaranteed that any directory passed to
+ * ls_direntproc should be processed if its parent is not yet in DIRS.
+ */
+ if (argc == 1)
+ {
+ List *dirs = getlist ();
+ err = start_recursion (ls_fileproc, NULL, ls_direntproc,
+ ls_dirleaveproc, dirs, 0, NULL, local, which, 0,
+ CVS_LOCK_READ, where, 1, repository);
+ walklist (dirs, ls_print_dir, NULL);
+ dellist (&dirs);
+ }
+ else
+ {
+ for (i = 1; i < argc; i++)
+ {
+ List *dirs = getlist ();
+ err = start_recursion (ls_fileproc, NULL, ls_direntproc,
+ NULL, dirs, 1, argv + i, local, which, 0,
+ CVS_LOCK_READ, where, 1, repository);
+ walklist (dirs, ls_print_dir, NULL);
+ dellist (&dirs);
+ }
+ }
+
+ if (!(which & W_LOCAL)) free (repository);
+ if (where) free (where);
+
+ return err;
+}
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