Add git-config-set, a simple helper for scripts to set config variables

[git.git] / server-info.c

diff --git a/server-info.c b/server-info.c
index cb58eb6..e4006f0 100644 (file)
--- a/server-info.c
+++ b/server-info.c
@@ -3,30 +3,26 @@
 #include "object.h"
 #include "commit.h"
 #include "tag.h"
-#include "rev-cache.h"
 
 /* refs */
 static FILE *info_ref_fp;
-static unsigned long info_ref_time;
-static int info_ref_is_stale = 0;
-
-static int stat_ref(const char *path, const unsigned char *sha1)
-{
-       struct stat st;
-       if (!stat(path, &st) && info_ref_time < st.st_mtime)
-               info_ref_is_stale = 1;
-       return 0;
-}
 
 static int add_info_ref(const char *path, const unsigned char *sha1)
 {
+       struct object *o = parse_object(sha1);
+
        fprintf(info_ref_fp, "%s        %s\n", sha1_to_hex(sha1), path);
+       if (o->type == tag_type) {
+               o = deref_tag(o, path, 0);
+               if (o)
+                       fprintf(info_ref_fp, "%s        %s^{}\n",
+                               sha1_to_hex(o->sha1), path);
+       }
        return 0;
 }
 
 static int update_info_refs(int force)
 {
-       struct stat st;
        char *path0 = strdup(git_path("info/refs"));
        int len = strlen(path0);
        char *path1 = xmalloc(len + 2);
@@ -34,21 +30,6 @@ static int update_info_refs(int force)
        strcpy(path1, path0);
        strcpy(path1 + len, "+");
 
-       if (!force) {
-               if (stat(path0, &st)) {
-                       if (errno == ENOENT)
-                               info_ref_is_stale = 1;
-                       else
-                               return error("cannot stat %s", path0);
-               }
-               else {
-                       info_ref_time = st.st_mtime;
-                       for_each_ref(stat_ref);
-               }
-               if (!info_ref_is_stale)
-                       return 0;
-       }
-
        safe_create_leading_directories(path0);
        info_ref_fp = fopen(path1, "w");
        if (!info_ref_fp)
@@ -70,7 +51,7 @@ static struct pack_info {
        int nr_alloc;
        int nr_heads;
        unsigned char (*head)[20];
-       char dep[]; /* more */
+       char dep[0]; /* more */
 } **info;
 static int num_pack;
 static const char *objdir;
@@ -86,6 +67,16 @@ static struct object *parse_object_cheap(const unsigned char *sha1)
                struct commit *commit = (struct commit *)o;
                free(commit->buffer);
                commit->buffer = NULL;
+       } else if (o->type == tree_type) {
+               struct tree *tree = (struct tree *)o;
+               struct tree_entry_list *e, *n;
+               for (e = tree->entries; e; e = n) {
+                       free(e->name);
+                       e->name = NULL;
+                       n = e->next;
+                       free(e);
+               }
+               tree->entries = NULL;
        }
        return o;
 }
@@ -433,7 +424,6 @@ static void find_pack_info_one(int pack_ix)
 {
        unsigned char sha1[20];
        struct object *o;
-       struct object_list *ref;
        int i;
        struct packed_git *p = info[pack_ix]->p;
        int num = num_packed_objects(p);
@@ -446,8 +436,12 @@ static void find_pack_info_one(int pack_ix)
                        die("corrupt pack file %s?", p->pack_name);
                if ((o = lookup_object(sha1)) == NULL)
                        die("cannot parse %s", sha1_to_hex(sha1));
-               for (ref = o->refs; ref; ref = ref->next)
-                       ref->item->flags = 0;
+               if (o->refs) {
+                       struct object_refs *refs = o->refs;
+                       int j;
+                       for (j = 0; j < refs->count; j++)
+                               refs->ref[j]->flags = 0;
+               }
                o->flags = 0;
        }
 
@@ -457,8 +451,12 @@ static void find_pack_info_one(int pack_ix)
                        die("corrupt pack file %s?", p->pack_name);
                if ((o = lookup_object(sha1)) == NULL)
                        die("cannot find %s", sha1_to_hex(sha1));
-               for (ref = o->refs; ref; ref = ref->next)
-                       ref->item->flags |= REFERENCED;
+               if (o->refs) {
+                       struct object_refs *refs = o->refs;
+                       int j;
+                       for (j = 0; j < refs->count; j++)
+                               refs->ref[j]->flags |= REFERENCED;
+               }
                o->flags |= INTERNAL;
        }
 
@@ -469,8 +467,12 @@ static void find_pack_info_one(int pack_ix)
                        die("cannot find %s", sha1_to_hex(sha1));
 
                show(o, pack_ix);
-               for (ref = o->refs; ref; ref = ref->next)
-                       show(ref->item, pack_ix);
+               if (o->refs) {
+                       struct object_refs *refs = o->refs;
+                       int j;
+                       for (j = 0; j < refs->count; j++)
+                               show(refs->ref[j], pack_ix);
+               }
        }
 
 }
@@ -516,45 +518,6 @@ static int update_info_packs(int force)
        return 0;
 }
 
-/* rev-cache */
-static int record_rev_cache_ref(const char *path, const unsigned char *sha1)
-{
-       struct object *obj = parse_object(sha1);
-
-       if (!obj)
-               return error("ref %s has bad sha %s", path, sha1_to_hex(sha1));
-       while (obj && obj->type == tag_type)
-               obj = parse_object(((struct tag *)obj)->tagged->sha1);
-       if (!obj || obj->type != commit_type)
-               /* tag pointing at a non-commit */
-               return 0;
-       return record_rev_cache(obj->sha1, NULL);
-}
-
-static int update_info_revs(int force)
-{
-       char *path0 = strdup(git_path("info/rev-cache"));
-       int len = strlen(path0);
-       char *path1 = xmalloc(len + 2);
-
-       strcpy(path1, path0);
-       strcpy(path1 + len, "+");
-
-       /* read existing rev-cache */
-       if (!force)
-               read_rev_cache(path0, NULL, 0);
-       safe_create_leading_directories(path0);
-
-       for_each_ref(record_rev_cache_ref);
-
-       /* update the rev-cache database */
-       write_rev_cache(path1, force ? "/dev/null" : path0);
-       rename(path1, path0);
-       free(path1);
-       free(path0);
-       return 0;
-}
-
 /* public */
 int update_server_info(int force)
 {
@@ -566,7 +529,6 @@ int update_server_info(int force)
 
        errs = errs | update_info_refs(force);
        errs = errs | update_info_packs(force);
-       errs = errs | update_info_revs(force);
 
        return errs;
 }