Documentation: help: explain 'man.viewer' multiple values

diff --git a/builtin-prune.c b/builtin-prune.c
index b5e768421ba548efaf0dd62ca876c15911df55d2..bb8ead92cf41c3cbdbc421a1490fb40ce19f11c3 100644 (file)
--- a/builtin-prune.c
+++ b/builtin-prune.c
@@ -83,6 +83,44 @@ static void prune_object_dir(const char *path)
        }
 }
 
+/*
+ * Write errors (particularly out of space) can result in
+ * failed temporary packs (and more rarely indexes and other
+ * files begining with "tmp_") accumulating in the
+ * object directory.
+ */
+static void remove_temporary_files(void)
+{
+       DIR *dir;
+       struct dirent *de;
+       char* dirname=get_object_directory();
+
+       dir = opendir(dirname);
+       if (!dir) {
+               fprintf(stderr, "Unable to open object directory %s\n",
+                       dirname);
+               return;
+       }
+       while ((de = readdir(dir)) != NULL) {
+               if (!prefixcmp(de->d_name, "tmp_")) {
+                       char name[PATH_MAX];
+                       int c = snprintf(name, PATH_MAX, "%s/%s",
+                                        dirname, de->d_name);
+                       if (c < 0 || c >= PATH_MAX)
+                               continue;
+                       if (expire) {
+                               struct stat st;
+                               if (stat(name, &st) != 0 || st.st_mtime >= expire)
+                                       continue;
+                       }
+                       printf("Removing stale temporary file %s\n", name);
+                       if (!show_only)
+                               unlink(name);
+               }
+       }
+       closedir(dir);
+}
+
 int cmd_prune(int argc, const char **argv, const char *prefix)
 {
        int i;
@@ -115,5 +153,6 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
 
        sync();
        prune_packed_objects(show_only);
+       remove_temporary_files();
        return 0;
 }