fix: new applet to reinstall and fix package

also makes it possibly to upgrade package without adding it to
top-level deps. fixes #69.

1 files changed, 113 insertions, 0 deletions

diff --git a/src/fix.c b/src/fix.c
new file mode 100644
index 0000000..3086428
--- /dev/null
+++ b/src/fix.c
@@ -0,0 +1,113 @@
+/* fix.c - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
+ * Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation. See http://www.gnu.org/ for details.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include "apk_applet.h"
+#include "apk_database.h"
+#include "apk_state.h"
+
+struct fix_ctx {
+	unsigned int reinstall : 1;
+};
+
+static int fix_parse(void *pctx, int optch, int optindex, const char *optarg)
+{
+	struct fix_ctx *ctx = (struct fix_ctx *) pctx;
+	switch (optch) {
+	case 'u':
+		apk_flags |= APK_UPGRADE;
+		break;
+	case 'r':
+		ctx->reinstall = 1;
+		break;
+	default:
+		return -1;
+	}
+	return 0;
+}
+
+static int fix_main(void *pctx, int argc, char **argv)
+{
+	struct fix_ctx *ctx = (struct fix_ctx *) pctx;
+	struct apk_database db;
+	struct apk_state *state = NULL;
+	struct apk_name *name;
+	int r, i, j;
+
+	r = apk_db_open(&db, apk_root, APK_OPENF_WRITE);
+	if (r != 0)
+		return r;
+
+	state = apk_state_new(&db);
+	if (state == NULL)
+		goto err;
+
+	for (i = 0; i < argc; i++) {
+		name = apk_db_get_name(&db, APK_BLOB_STR(argv[i]));
+		if (name == NULL)
+			goto err;
+
+		for (j = 0; j < name->pkgs->num; j++) {
+			if (apk_pkg_get_state(name->pkgs->item[j]) == APK_PKG_INSTALLED)
+				break;
+		}
+		if (j >= name->pkgs->num) {
+			apk_error("Package '%s' is not installed", name->name);
+			goto err;
+		}
+
+		if (ctx->reinstall)
+			name->flags |= APK_NAME_REINSTALL;
+	}
+
+	for (i = 0; i < argc; i++) {
+		struct apk_dependency dep;
+
+		r = apk_dep_from_blob(&dep, &db, APK_BLOB_STR(argv[i]));
+		if (r != 0)
+			goto err;
+
+		r = apk_state_lock_dependency(state, &dep);
+		if (r != 0) {
+			if (!(apk_flags & APK_FORCE))
+				goto err;
+		}
+	}
+	r = apk_state_commit(state, &db);
+err:
+	if (r != 0 && i < argc)
+		apk_error("Error while processing '%s'", argv[i]);
+	if (state != NULL)
+		apk_state_unref(state);
+	apk_db_close(&db);
+	return r;
+}
+
+static struct apk_option fix_options[] = {
+	{ 'u',		"upgrade",	"Upgrade package if possible" },
+	{ 'r',		"reinstall",	"Reinstall the package" },
+};
+
+static struct apk_applet apk_fix = {
+	.name = "fix",
+	.help = "Repair package or upgrade it without modifying main "
+		"dependencies.",
+	.arguments = "PACKAGE...",
+	.context_size = sizeof(struct fix_ctx),
+	.num_options = ARRAY_SIZE(fix_options),
+	.options = fix_options,
+	.parse = fix_parse,
+	.main = fix_main,
+};
+
+APK_DEFINE_APPLET(apk_fix);
+