Write out the new repo on install.

We write the repo to a lock file repo, and once the RPMs are installed
we rename() the lock repo back in place.

diff --git a/main.c b/main.c
index 2583a11..0e15a63 100644 (file)
--- a/main.c
+++ b/main.c
@@ -12,6 +12,7 @@
 #include "razor-internal.h"
 
 static const char system_repo_filename[] = "system.repo";
+static const char next_repo_filename[] = "system-next.repo";
 static const char rawhide_repo_filename[] = "rawhide.repo";
 static const char updated_repo_filename[] = "system-updated.repo";
 static const char razor_root_path[] = "/var/lib/razor";
@@ -502,11 +503,11 @@ list_packages(int count, struct razor_set *set)
 static int
 command_install(int argc, const char *argv[])
 {
-       struct razor_set *system, *upstream, *new;
+       struct razor_set *system, *upstream, *next;
        struct razor_transaction *trans;
        struct razor_rpm *rpm;
        const char *filename;
-       char path[PATH_MAX], **packages;
+       char path[PATH_MAX], new_path[PATH_MAX], **packages;
        int i;
 
        upstream = create_set_from_rpms(argc, argv);
@@ -532,9 +533,21 @@ command_install(int argc, const char *argv[])
         * destroying the transaction.  Nice for transient objects
         * such as the merger and the importer.  Should we do that for
         * transactions too, that is, razor_transaction_finish()? */
-       new = razor_transaction_run(trans);
+       next = razor_transaction_run(trans);
        razor_transaction_destroy(trans);
 
+       /* FIXME: Need razor_set_write_to_fd() so we can open it excl
+        * up front here or fail if it already exists. */
+       snprintf(new_path, sizeof new_path,
+                "%s%s/%s", root, razor_root_path, next_repo_filename);
+       razor_set_write(next, path);
+
+       razor_set_destroy(next);
+       razor_set_destroy(system);
+       razor_set_destroy(upstream);
+
+       printf("wrote %s\n", new_path);
+
        for (i = 0; i < argc; i++) {
                filename = argv[i];
                rpm = razor_rpm_open(argv[i]);
@@ -550,6 +563,10 @@ command_install(int argc, const char *argv[])
                razor_rpm_close(rpm);
        }       
 
+       /* Make it so. */
+       rename(new_path, path);
+       printf("renamed %s to %s\n", new_path, path);
+
        return 0;
 }