Don't continue installing a binpkg if newest version in repos is already installed.

--HG--
extra : convert_revision : b73376d091fd95f4cfd92cbdba21f4bc93781504

bin/xbps-bin/main.c

@@ -214,7 +214,6 @@ main(int argc, char **argv)
 		if (argc != 2)
 			usage();
 
-		/* Install into root directory by default. */
 		rv = xbps_install_binary_pkg(argv[1]);
 		if (rv != 0) {
 			if (rv == EAGAIN) {
@@ -224,6 +223,10 @@ main(int argc, char **argv)
 				dict = xbps_get_pkg_deps_dictionary();
 				if (dict)
 					show_missing_deps(dict, argv[1]);
+			} else if (rv == EEXIST) {
+				printf("Package '%s' is already up to date.\n",
+				    argv[1]);
+				exit(EXIT_SUCCESS);
 			}
 
 			exit(EXIT_FAILURE);

doc/TODO

@@ -19,8 +19,6 @@ xbps-bin:
  * Show binpkg size and installed size for all packages that are going
    to be installed before installation happens.
  * Add support to update packages. [IN PROGRESS]
- * While installing a package, check if version that is going to be
-   installed is already installed. [IN PROGRESS]
  * Add a flag to reinstall a package version that is already installed,
    overwritting files on disk and updating required_by if required.
    Perhaps change the automatic-install object to false, like pkg_install

lib/install.c

@@ -90,8 +90,9 @@ static int
 install_binpkg_repo_cb(prop_object_t obj, void *arg, bool *cbloop_done)
 {
 	prop_dictionary_t repod, pkgrd;
-	const char *repoloc, *pkgname = arg;
-	char *plist;
+	size_t len = 0;
+	const char *repoloc, *instver, *pkgname = arg;
+	char *plist, *pkg;
 	int rv = 0;
 
 	plist = xbps_get_pkg_index_plist(prop_string_cstring_nocopy(obj));
@@ -116,6 +117,25 @@ install_binpkg_repo_cb(prop_object_t obj, void *arg, bool *cbloop_done)
 		return 0;
 	}
 
+	/*
+	 * Check if available version in repository is already installed,
+	 * and return immediately in that case.
+	 */
+	prop_dictionary_get_cstring_nocopy(pkgrd, "version", &instver);
+	len = strlen(pkgname) + strlen(instver) + 2;
+	pkg = malloc(len);
+	if (pkg == NULL) {
+		rv = EINVAL;
+		goto out;
+	}
+	(void)snprintf(pkg, len, "%s-%s", pkgname, instver);
+	if (xbps_check_is_installed_pkg(pkg) == 0) {
+		free(pkg);
+		rv = EEXIST;
+		goto out;
+	}
+	free(pkg);
+
 	/*
 	 * Check SHA256 hash for binary package before anything else.
 	 */