Simplify package naming

- do not prepend scl_* prefix to package names
- unify package naming to <SCL>-package-version
- add scl --list functionality to list available SCLs

.gitignore

@@ -1,3 +1,3 @@
 /scl
 /scl.o
-/scl-utils-20120209.tar.gz
+/scl-utils-20120229.tar.gz

macros.scl

@@ -5,10 +5,9 @@
 
 %scl_package() %{expand:%{!?_root_prefix:
 %global pkg_name		%1
-%global scl_short_prefix	scl
+%global scl_name		%{scl}
-%global scl_name		%{scl_short_prefix}_%{scl}
+%global scl_prefix		%{scl}-
-%global scl_runtime		%{scl_name}-runtime
+%global scl_runtime		%{scl}-runtime
-%global scl_prefix		%{scl_name}_
 %{!?_scl_prefix:		%global _scl_prefix /opt/rh}
 %global _scl_scripts		%{_scl_prefix}/%{scl}
 %global _scl_root		%{_scl_prefix}/%{scl}/root
@@ -41,7 +40,7 @@
 %global _mandir			%{_datadir}/man
 %global _docdir			%{_datadir}/doc
 %global _defaultdocdir		%{_docdir}
-%global scl_pkg_name		%{scl_short_prefix}_%{scl}_%{pkg_name}
+%global scl_pkg_name		%{scl}-%{pkg_name}
 BuildRequires: scl-utils-build
 }}
 

scl-utils.spec

@@ -1,6 +1,6 @@
 Summary:	Utilities for alternative packaging
 Name:		scl-utils
-Version:	20120209
+Version:	20120229
 Release:	1%{?dist}
 License:	GPLv2+
 Group:		Applications/File
@@ -47,6 +47,11 @@ rm -rf %buildroot
 %{_sysconfdir}/rpm/macros.scl
 
 %changelog
+* Wed Feb 29 2012 Jindrich Novy <jnovy@redhat.com> 20120229-1
+- do not prepend scl_* prefix to package names
+- unify package naming to <SCL>-package-version
+- add scl --list functionality to list available SCLs
+
 * Thu Feb 09 2012 Jindrich Novy <jnovy@redhat.com> 20120209-1
 - fix minor bugs (#788194)
   - clear temp files

scl.c

@@ -50,6 +50,37 @@ static void write_script( int tfd, char *s ) {
 	}
 }
 
+static void list_collections() {
+	struct stat sb;
+	struct dirent **nl;
+	int n, i;
+        const char prefix[] = "/etc/scl/prefixes/";
+
+	if (stat(prefix, &sb) == -1) {
+		perror("stat");
+		exit(EXIT_FAILURE);
+	}
+
+	if (!S_ISDIR(sb.st_mode)) {
+		fprintf(stderr, "%s is not a directory\n", prefix);
+		exit(EXIT_FAILURE);
+	}
+
+
+	if ((n = scandir(prefix, &nl, 0, alphasort)) < 0) {
+		perror("scandir");
+		exit(EXIT_FAILURE);
+	}
+
+	for (i=0; i<n; i++) {
+		if (*nl[i]->d_name != '.') {
+			printf("%s\n", nl[i]->d_name);
+		}
+	}
+
+	free(nl);
+}
+
 int main(int argc, char **argv) {
 	struct stat st;
 	char *path, *enablepath;
@@ -57,6 +88,11 @@ int main(int argc, char **argv) {
 	char *cmd = NULL, *bash_cmd, *echo, *enabled;
 	int i, tfd, ffd, stdin_read = 0;
 
+	if (argc == 2 && (!strcmp(argv[1],"--list") || !strcmp(argv[1],"-l"))) {
+		list_collections();
+		return 0;
+	}
+
 	if (!strcmp(argv[argc-1], "-")) {	/* reading command from stdin */
 		size_t r;
 

sources

@@ -1 +1 @@
-d52975ee97b0be67ffb8c014b68f9012  scl-utils-20120209.tar.gz
+56205bacbc93096c482f8027e15c9b7f  scl-utils-20120229.tar.gz