xbps-bin(8): added a new target "find-files".

This new target 'find-files' can be used to find which installed package(s) own a file. Exact matches like "/bin/mount" or patterns like "/usr/lib/libb[ao]b\*" can be specified.
2010-10-27 00:25:02 +02:00
parent 992583311b
commit ef7da88db1
6 changed files with 163 additions and 3 deletions
--- a/bin/xbps-bin/find-files.c
+++ b/bin/xbps-bin/find-files.c
@@ -0,0 +1,129 @@
+/*-
+ * Copyright (c) 2010 Juan Romero Pardines.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <fnmatch.h>
+#include <dirent.h>
+
+#include <xbps_api.h>
+#include "../xbps-repo/defs.h"
+#include "defs.h"
+
+static int
+match_files_by_pattern(prop_dictionary_t pkg_filesd, prop_dictionary_keysym_t key,
+		       const char *pattern, const char *pkgname)
+{
+	prop_object_iterator_t iter;
+	prop_array_t array;
+	prop_object_t obj;
+	const char *keyname, *filestr, *typestr;
+
+	keyname = prop_dictionary_keysym_cstring_nocopy(key);
+	array = prop_dictionary_get_keysym(pkg_filesd, key);
+
+	if (strcmp(keyname, "files") == 0)
+		typestr = "regular file";
+	else if (strcmp(keyname, "dirs") == 0)
+		typestr = "directory";
+	else if (strcmp(keyname, "links") == 0)
+		typestr = "link";
+	else
+		typestr = "configuration file";
+
+	iter = prop_array_iterator(array);
+	while ((obj = prop_object_iterator_next(iter))) {
+		prop_dictionary_get_cstring_nocopy(obj, "file", &filestr);
+		if ((strcmp(filestr, pattern) == 0) ||
+		    (xbps_pkgpattern_match(filestr, __UNCONST(pattern)) == 1))
+			printf("%s: %s (%s)\n", pkgname, filestr, typestr);
+	}
+	prop_object_iterator_release(iter);
+
+	return 0;
+}
+
+int
+find_files_in_packages(const char *pattern)
+{
+	prop_dictionary_t pkg_filesd;
+	prop_array_t files_keys;
+	DIR *dirp;
+	struct dirent *dp;
+	char *path, *filesplist;
+	int rv = 0;
+	unsigned int i, count;
+
+	path = xbps_xasprintf("%s/%s/metadata", xbps_get_rootdir(),
+	    XBPS_META_PATH);
+	if (path == NULL)
+		return -1;
+
+	if ((dirp = opendir(path)) == NULL) {
+		free(path);
+		return -1;
+	}
+
+	while ((dp = readdir(dirp)) != NULL) {
+		if ((strcmp(dp->d_name, ".") == 0) ||
+		    (strcmp(dp->d_name, "..") == 0))
+			continue;
+
+		filesplist = xbps_xasprintf("%s/%s/%s", path, dp->d_name,
+		    XBPS_PKGFILES);
+		if (filesplist == NULL) {
+			rv = -1;
+			break;
+		}
+
+		pkg_filesd = prop_dictionary_internalize_from_zfile(filesplist);
+		if (pkg_filesd == NULL) {
+			free(filesplist);
+			if (errno == ENOENT)
+				continue;
+			rv = -1;
+			break;
+		}
+		files_keys = prop_dictionary_all_keys(pkg_filesd);
+		count = prop_array_count(files_keys);
+		for (i = 0; i < count; i++) {
+			rv = match_files_by_pattern(pkg_filesd,
+			    prop_array_get(files_keys, i), pattern, dp->d_name);
+			if (rv == -1)
+				break;
+		}
+		prop_object_release(pkg_filesd);
+		free(filesplist);
+		if (rv == -1)
+			break;
+	}
+	(void)closedir(dirp);
+	free(path);
+
+	return rv;
+}