libopkg: add option to strip ABI versions from listed names

Listing packages without the ABI versions appended to their names is
needed in some situations. Add a new command line option '--strip-abi'
for that which affects the 'list' and 'list-installed' command.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

libopkg/opkg_cmd.c

@@ -45,7 +45,23 @@ static void print_pkg(pkg_t * pkg)
 {
 	char *version = pkg_version_str_alloc(pkg);
 	char *description = pkg_get_string(pkg, PKG_DESCRIPTION);
-	printf("%s - %s", pkg->name, version);
+	const char *abiver;
+	char *tmp, *tmpname = NULL;
+
+	if (conf->strip_abi &&
+	    (abiver = pkg_get_string(pkg, PKG_ABIVERSION)) &&
+	    (strlen(pkg->name) > strlen(abiver))) {
+		tmpname = strdup(pkg->name);
+		tmp = &tmpname[strlen(tmpname) - strlen(abiver)];
+		if (!strncmp(abiver, tmp, strlen(abiver)))
+			*tmp = '\0';
+	};
+
+	printf("%s - %s", tmpname?tmpname:pkg->name, version);
+
+	if (tmpname)
+		free(tmpname);
+
 	if (conf->size)
 		printf(" - %lu", (unsigned long) pkg_get_int(pkg, PKG_SIZE));
 	if (description)
@@ -578,7 +594,8 @@ static void opkg_list_find_cmd_cb(pkg_t *pkg, void *priv)
 	char *description = pkg_get_string(pkg, PKG_DESCRIPTION);
 	char *version = pkg_version_str_alloc(pkg);
 	struct opkg_list_find_cmd_item *item;
-	char *nameptr, *versionptr, *descriptionptr;
+	char *nameptr, *versionptr, *descriptionptr, *tmp;
+	const char *abiver;
 	int i, found = 0;
 
 	/* if we have package name or pattern and pkg does not match, then skip it */
@@ -603,6 +620,15 @@ static void opkg_list_find_cmd_cb(pkg_t *pkg, void *priv)
 		                &descriptionptr, description ? strlen(description) + 1 : 0);
 
 		item->name = strcpy(nameptr, pkg->name);
+
+		if (conf->strip_abi &&
+		    (abiver = pkg_get_string(pkg, PKG_ABIVERSION)) &&
+		    (strlen(item->name) > strlen(abiver))) {
+			tmp = &item->name[strlen(item->name) - strlen(abiver)];
+			if (!strncmp(abiver, tmp, strlen(abiver)))
+				*tmp = '\0';
+		};
+
 		item->size = pkg_get_int(pkg, PKG_SIZE);
 		item->version = strcpy(versionptr, version);
 		item->description = description ? strcpy(descriptionptr, description) : NULL;

libopkg/opkg_conf.c

@@ -70,6 +70,7 @@ opkg_option_t options[] = {
 	{"proxy_user", OPKG_OPT_TYPE_STRING, &_conf.proxy_user},
 	{"query-all", OPKG_OPT_TYPE_BOOL, &_conf.query_all},
 	{"size", OPKG_OPT_TYPE_BOOL, &_conf.size},
+	{"strip_abi", OPKG_OPT_TYPE_BOOL, &_conf.strip_abi},
 	{"tmp_dir", OPKG_OPT_TYPE_STRING, &_conf.tmp_dir},
 	{"verbosity", OPKG_OPT_TYPE_INT, &_conf.verbosity},
 	{"verify_program", OPKG_OPT_TYPE_STRING, &_conf.verify_program},

libopkg/opkg_conf.h

@@ -89,6 +89,7 @@ struct opkg_conf {
 	char *verify_program;
 	int noaction;
 	int size;
+	int strip_abi;
 	int download_only;
 	char *cache;
 

src/opkg-cl.c

@@ -55,6 +55,7 @@ enum {
 	ARGS_OPT_NO_CHECK_CERTIFICATE,
 	ARGS_OPT_VERIFY_PROGRAM,
 	ARGS_OPT_SIZE,
+	ARGS_OPT_STRIP_ABI,
 };
 
 static struct option long_options[] = {
@@ -104,6 +105,8 @@ static struct option long_options[] = {
 	{"add-arch", 1, 0, ARGS_OPT_ADD_ARCH},
 	{"add-dest", 1, 0, ARGS_OPT_ADD_DEST},
 	{"size", 0, 0, ARGS_OPT_SIZE},
+	{"strip-abi", 0, 0, ARGS_OPT_STRIP_ABI},
+	{"strip_abi", 0, 0, ARGS_OPT_STRIP_ABI},
 	{"test", 0, 0, ARGS_OPT_NOACTION},
 	{"tmp-dir", 1, 0, 't'},
 	{"tmp_dir", 1, 0, 't'},
@@ -238,6 +241,9 @@ static int args_parse(int argc, char *argv[])
 		case ARGS_OPT_VERIFY_PROGRAM:
 			conf->verify_program = xstrdup(optarg);
 			break;
+		case ARGS_OPT_STRIP_ABI:
+			conf->strip_abi = 1;
+			break;
 		case ':':
 			parse_err = -1;
 			break;
@@ -357,6 +363,8 @@ static void usage()
 	    ("\t--nocase		Perform case insensitive pattern matching\n");
 	printf
 	    ("\t--size			Print package size when listing available packages\n");
+	printf
+	    ("\t--strip-abi		Print package name without appended ABI version\n");
 	printf("\t--force-removal-of-dependent-packages\n");
 	printf("\t			Remove package and all dependencies\n");
 	printf("\t--autoremove		Remove packages that were installed\n");