Added support to keep track of reverse depends on installed packages.

--HG--
extra : convert_revision : 9e3e46f726ef28843dc52b95ce818637c2a18de5

bin/xbps-pkgdb/main.c

@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2008 Juan Romero Pardines.
+ * Copyright (c) 2008-2009 Juan Romero Pardines.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -113,7 +113,7 @@ main(int argc, char **argv)
 		if (argc != 4)
 			usage();
 
-		rv = xbps_register_pkg(argv[1], argv[2], argv[3]);
+		rv = xbps_register_pkg(NULL, argv[1], argv[2], argv[3]);
 		if (rv == EEXIST) {
 			printf("%s=> %s-%s already registered.\n",
 			    in_chroot ? "[chroot] " : "", argv[1], argv[2]);

include/install.h

@@ -31,10 +31,12 @@ int xbps_install_pkg_deps(prop_dictionary_t, const char *);
 int xbps_install_binary_pkg(const char *, const char *);
 int xbps_install_binary_pkg_fini(prop_dictionary_t, prop_dictionary_t,
 				 const char *);
-int xbps_register_pkg(const char *, const char *, const char *);
+int xbps_register_pkg(prop_dictionary_t, const char *, const char *,
+		      const char *);
 int xbps_unpack_binary_pkg(prop_dictionary_t, prop_dictionary_t,
 			   const char *,
 			   void (*cb_print)(prop_dictionary_t));
+int xbps_update_pkg_requiredby(prop_array_t, prop_dictionary_t);
 int xbps_find_deps_in_pkg(prop_dictionary_t, prop_dictionary_t);
 
 #endif /* !_XBPS_INSTALL_H_ */

lib/Makefile

@@ -8,8 +8,9 @@ LIBXBPS_SO	= $(LIBXBPS).$(MAJOR).$(MINOR).$(MICRO)
 LIBXBPS		= libxbps.so
 LIBXBPS_LDFLAGS	= -larchive -lprop -shared -Wl,-soname,$(LIBXBPS).$(MAJOR)
 
-OBJECTS	=	cmpver.o depends.o humanize_number.o install.o plist.o
-OBJECTS	+=	sha256.o util.o repository.o fexec.o remove.o unpack.o
+OBJECTS	=	cmpver.o depends.o fexec.o humanize_number.o install.o
+OBJECTS	+=	plist.o remove.o repository.o requiredby.o sha256.o
+OBJECTS	+=	unpack.o util.o
 
 all: $(LIBXBPS)
 .PHONY: all

lib/depends.c

@@ -112,7 +112,7 @@ store_dependency(prop_dictionary_t origind, prop_dictionary_t depd,
 		 prop_dictionary_t repod)
 {
 	prop_dictionary_t dict, curpkgdir, curpkgindir;
-	prop_array_t array;
+	prop_array_t array, rundeps_array;
 	uint32_t prio = 0;
 	size_t len = 0;
 	const char *pkgname, *version, *reqbyname, *reqbyver;
@@ -216,6 +216,9 @@ store_dependency(prop_dictionary_t origind, prop_dictionary_t depd,
 	prop_dictionary_set_cstring(dict, "pkgname", pkgname);
 	prop_dictionary_set_cstring(dict, "version", version);
 	prop_dictionary_set_cstring(dict, "requiredby", reqby);
+	rundeps_array = prop_dictionary_get(depd, "run_depends");
+	if (rundeps_array && prop_array_count(rundeps_array) > 0)
+		prop_dictionary_set(dict, "run_depends", rundeps_array);
 
 	if ((strcmp(array_key, "direct_deps") == 0) ||
 	    (strcmp(array_key, "indirect_deps") == 0)) {

lib/install.c

@@ -51,7 +51,7 @@ xbps_install_binary_pkg_fini(prop_dictionary_t repo, prop_dictionary_t pkg,
 
 	rv = xbps_unpack_binary_pkg(repo, pkg, destdir, NULL);
 	if (rv == 0) {
-		rv = xbps_register_pkg(pkgname, version, desc);
+		rv = xbps_register_pkg(pkg, pkgname, version, desc);
 		if (rv == EEXIST)
 			rv = 0;
 	}
@@ -189,7 +189,8 @@ make_dict_from_pkg(const char *name, const char *ver, const char *desc)
 }
 
 int
-xbps_register_pkg(const char *pkgname, const char *version, const char *desc)
+xbps_register_pkg(prop_dictionary_t pkgrd, const char *pkgname,
+		  const char *version, const char *desc)
 {
 	prop_dictionary_t dict, pkgd;
 	prop_array_t array;
@@ -215,52 +216,58 @@ xbps_register_pkg(const char *pkgname, const char *version, const char *desc)
 
 		array = prop_array_create();
 		if (array == NULL) {
-			free(plist);
-			prop_object_release(dict);
-			return ENOMEM;
+			rv = ENOMEM;
+			goto out;
 		}
 
 		pkgd = make_dict_from_pkg(pkgname, version, desc);
-
 		if (!xbps_add_obj_to_array(array, pkgd)) {
 			prop_object_release(array);
-			prop_object_release(dict);
-			prop_object_release(pkgd);
-			free(plist);
-			return EINVAL;
+			rv = EINVAL;
+			goto out;
 		}
 
 		if (!xbps_add_obj_to_dict(dict, array, "packages")) {
 			prop_object_release(array);
-			prop_object_release(dict);
-			free(plist);
-			return EINVAL;
+			rv = EINVAL;
+			goto out;
 		}
 
 	} else {
 		/* Check if package is already registered. */
 		pkgd = xbps_find_pkg_in_dict(dict, "packages", pkgname);
 		if (pkgd != NULL) {
-			prop_object_release(dict);
-			free(plist);
-			return EEXIST;
+			rv = EEXIST;
+			goto out;
 		}
 
 		pkgd = make_dict_from_pkg(pkgname, version, desc);
 		array = prop_dictionary_get(dict, "packages");
-		assert(array != NULL);
+		if (array == NULL) {
+			prop_object_release(pkgd);
+			rv = ENOENT;
+			goto out;
+		}
+
+		if (xbps_pkg_has_rundeps(pkgrd)) {
+			rv = xbps_update_pkg_requiredby(array, pkgrd);
+			if (rv != 0) {
+				prop_object_release(pkgd);
+				goto out;
+			}
+		}
 
 		if (!xbps_add_obj_to_array(array, pkgd)) {
 			prop_object_release(pkgd);
-			prop_object_release(dict);
-			free(plist);
-			return EINVAL;
+			rv = EINVAL;
+			goto out;
 		}
 	}
 
 	if (!prop_dictionary_externalize_to_file(dict, plist))
 		rv = errno;
 
+out:
 	prop_object_release(dict);
 	free(plist);
 

lib/requiredby.c

@@ -0,0 +1,150 @@
+/*-
+ * Copyright (c) 2009 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 <limits.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <xbps_api.h>
+
+static int
+add_pkg_into_requiredby(prop_dictionary_t pkgd, const char *reqname)
+{
+	prop_array_t array;
+	prop_string_t reqstr;
+	bool alloc = false;
+
+	array = prop_dictionary_get(pkgd, "requiredby");
+	if (array == NULL) {
+		alloc = true;
+		array = prop_array_create();
+		if (array == NULL)
+			return ENOMEM;
+	}
+
+	reqstr = prop_string_create_cstring(reqname);
+	if (reqstr == NULL) {
+		if (alloc)
+			prop_object_release(array);
+		return errno;
+	}
+
+	if (!xbps_add_obj_to_array(array, reqstr)) {
+		if (alloc)
+			prop_object_release(array);
+
+		prop_object_release(reqstr);
+		return EINVAL;
+	}
+
+	if (!alloc)
+		return 0;
+
+	if (!xbps_add_obj_to_dict(pkgd, array, "requiredby")) {
+		if (alloc)
+			prop_object_release(array);
+
+		return EINVAL;
+	}
+
+	return 0;
+}
+
+int
+xbps_update_pkg_requiredby(prop_array_t regar, prop_dictionary_t pkg)
+{
+	prop_array_t rdeps;
+	prop_object_t obj, obj2;
+	prop_object_iterator_t iter, iter2;
+	size_t len = 0;
+	const char *reqname, *pkgname, *version;
+	char *rdepname, *fpkgn;
+	int rv = 0;
+
+	prop_dictionary_get_cstring_nocopy(pkg, "pkgname", &pkgname);
+	prop_dictionary_get_cstring_nocopy(pkg, "version", &version);
+	len = strlen(pkgname) + strlen(version) + 2;
+	fpkgn = malloc(len);
+	if (fpkgn == NULL)
+		return ENOMEM;
+
+	(void)snprintf(fpkgn, len, "%s-%s", pkgname, version);
+
+	rdeps = prop_dictionary_get(pkg, "run_depends");
+	if (rdeps == NULL || prop_array_count(rdeps) == 0) {
+		free(fpkgn);
+		return EINVAL;
+	}
+
+	iter = prop_array_iterator(rdeps);
+	if (iter == NULL) {
+		free(fpkgn);
+		return ENOMEM;
+	}
+
+	while ((obj = prop_object_iterator_next(iter)) != NULL) {
+		rdepname = xbps_get_pkg_name(prop_string_cstring_nocopy(obj));
+
+		iter2 = prop_array_iterator(regar);
+		if (iter2 == NULL) {
+			free(fpkgn);
+			free(rdepname);
+			prop_object_iterator_release(iter);
+			return ENOMEM;
+		}
+
+		/*
+		 * Iterate over the array to find the dictionary for the
+		 * current run dependency.
+		 */
+		while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
+			prop_dictionary_get_cstring_nocopy(obj2, "pkgname",
+			    &reqname);
+			if (strcmp(rdepname, reqname) == 0) {
+				rv = add_pkg_into_requiredby(obj2, fpkgn);
+				if (rv != 0) {
+					free(fpkgn);
+					free(rdepname);
+					prop_object_iterator_release(iter2);
+					goto out;
+				}
+				break;
+			}
+		}
+		free(rdepname);
+		prop_object_iterator_release(iter2);
+	}
+
+out:
+	free(fpkgn);
+	prop_object_iterator_release(iter);
+
+	return rv;
+}