xbps-repo: new 'remove-obsoletes' target to remove obsolete pkgs in a local repo.

bin/xbps-repo/common.c

@@ -0,0 +1,70 @@
+/*-
+ * Copyright (c) 2012 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 <sys/stat.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <dirent.h>
+#include <libgen.h>
+#include <assert.h>
+
+#include <xbps_api.h>
+#include "defs.h"
+
+int
+repo_remove_pkg(const char *repodir, const char *arch, const char *file)
+{
+	char *filepath;
+	int rv;
+
+	/* Remove real binpkg */
+	filepath = xbps_xasprintf("%s/%s/%s", repodir, arch, file);
+	assert(filepath);
+	if (remove(filepath) == -1) {
+		rv = errno;
+		xbps_error_printf("failed to remove old binpkg `%s': %s\n",
+		    file, strerror(rv));
+		free(filepath);
+		return rv;
+	}
+	free(filepath);
+
+	/* Remove symlink to binpkg */
+	filepath = xbps_xasprintf("%s/%s", repodir, file);
+	assert(filepath);
+	if (remove(filepath) == -1) {
+		rv = errno;
+		xbps_error_printf("failed to remove old binpkg `%s': %s\n",
+		    file, strerror(rv));
+		free(filepath);
+		return rv;
+	}
+	free(filepath);
+
+	return 0;
+}