From: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Date: Mon, 25 Feb 2008 21:46:06 +0000 (+0100)
Subject: Remove unused object-ref code
X-Git-Tag: v1.5.5-rc0~93^2~7
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=7914053;p=git.git
Remove unused object-ref code
Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
diff --git a/Makefile b/Makefile
index 33c367dfb..8ff0c772f 100644
--- a/Makefile
+++ b/Makefile
@@ -312,7 +312,7 @@ LIB_OBJS = \
patch-ids.o \
object.o pack-check.o pack-write.o patch-delta.o path.o pkt-line.o \
sideband.o reachable.o reflog-walk.o \
- quote.o read-cache.o refs.o run-command.o dir.o object-refs.o \
+ quote.o read-cache.o refs.o run-command.o dir.o \
server-info.o setup.o sha1_file.o sha1_name.o strbuf.o \
tag.o tree.o usage.o config.o environment.o ctype.o copy.o \
revision.o pager.o tree-walk.o xdiff-interface.o \
diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c
index e68e01592..410414d91 100644
--- a/builtin-fetch-pack.c
+++ b/builtin-fetch-pack.c
@@ -385,7 +385,6 @@ static int everything_local(struct ref **refs, int nr_match, char **match)
int retval;
unsigned long cutoff = 0;
- track_object_refs = 0;
save_commit_buffer = 0;
for (ref = *refs; ref; ref = ref->next) {
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index d3efeff03..6f8f388bd 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -2009,7 +2009,6 @@ static void get_object_list(int ac, const char **av)
init_revisions(&revs, NULL);
save_commit_buffer = 0;
- track_object_refs = 0;
setup_revisions(ac, av, &revs, NULL);
while (fgets(line, sizeof(line), stdin) != NULL) {
diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index de80158fd..14e86ceab 100644
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -605,7 +605,6 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
usage(rev_list_usage);
save_commit_buffer = revs.verbose_header || revs.grep_filter;
- track_object_refs = 0;
if (bisect_list)
revs.limited = 1;
diff --git a/commit.c b/commit.c
index 22ce77686..6684c4e73 100644
--- a/commit.c
+++ b/commit.c
@@ -290,17 +290,6 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
}
item->date = parse_commit_date(bufptr, tail);
- if (track_object_refs) {
- unsigned i = 0;
- struct commit_list *p;
- struct object_refs *refs = alloc_object_refs(n_refs);
- if (item->tree)
- refs->ref[i++] = &item->tree->object;
- for (p = item->parents; p; p = p->next)
- refs->ref[i++] = &p->item->object;
- set_object_refs(&item->object, refs);
- }
-
return 0;
}
diff --git a/object-refs.c b/object-refs.c
deleted file mode 100644
index 534567156..000000000
--- a/object-refs.c
+++ /dev/null
@@ -1,87 +0,0 @@
-#include "cache.h"
-#include "object.h"
-#include "decorate.h"
-
-int track_object_refs = 0;
-
-static struct decoration ref_decorate;
-
-struct object_refs *lookup_object_refs(struct object *base)
-{
- return lookup_decoration(&ref_decorate, base);
-}
-
-static void add_object_refs(struct object *obj, struct object_refs *refs)
-{
- if (add_decoration(&ref_decorate, obj, refs))
- die("object %s tried to add refs twice!", sha1_to_hex(obj->sha1));
-}
-
-struct object_refs *alloc_object_refs(unsigned count)
-{
- struct object_refs *refs;
- size_t size = sizeof(*refs) + count*sizeof(struct object *);
-
- refs = xcalloc(1, size);
- refs->count = count;
- return refs;
-}
-
-static int compare_object_pointers(const void *a, const void *b)
-{
- const struct object * const *pa = a;
- const struct object * const *pb = b;
- if (*pa == *pb)
- return 0;
- else if (*pa < *pb)
- return -1;
- else
- return 1;
-}
-
-void set_object_refs(struct object *obj, struct object_refs *refs)
-{
- unsigned int i, j;
-
- /* Do not install empty list of references */
- if (refs->count < 1) {
- free(refs);
- return;
- }
-
- /* Sort the list and filter out duplicates */
- qsort(refs->ref, refs->count, sizeof(refs->ref[0]),
- compare_object_pointers);
- for (i = j = 1; i < refs->count; i++) {
- if (refs->ref[i] != refs->ref[i - 1])
- refs->ref[j++] = refs->ref[i];
- }
- if (j < refs->count) {
- /* Duplicates were found - reallocate list */
- size_t size = sizeof(*refs) + j*sizeof(struct object *);
- refs->count = j;
- refs = xrealloc(refs, size);
- }
-
- for (i = 0; i < refs->count; i++)
- refs->ref[i]->used = 1;
- add_object_refs(obj, refs);
-}
-
-void mark_reachable(struct object *obj, unsigned int mask)
-{
- const struct object_refs *refs;
-
- if (!track_object_refs)
- die("cannot do reachability with object refs turned off");
- /* If we've been here already, don't bother */
- if (obj->flags & mask)
- return;
- obj->flags |= mask;
- refs = lookup_object_refs(obj);
- if (refs) {
- unsigned i;
- for (i = 0; i < refs->count; i++)
- mark_reachable(refs->ref[i], mask);
- }
-}
diff --git a/object.h b/object.h
index 397bbfa09..036bd66fe 100644
--- a/object.h
+++ b/object.h
@@ -35,14 +35,11 @@ struct object {
unsigned char sha1[20];
};
-extern int track_object_refs;
-
extern const char *typename(unsigned int type);
extern int type_from_string(const char *str);
extern unsigned int get_max_object_index(void);
extern struct object *get_indexed_object(unsigned int);
-extern struct object_refs *lookup_object_refs(struct object *);
/** Internal only **/
struct object *lookup_object(const unsigned char *sha1);
@@ -61,11 +58,6 @@ struct object *parse_object_buffer(const unsigned char *sha1, enum object_type t
/** Returns the object, with potentially excess memory allocated. **/
struct object *lookup_unknown_object(const unsigned char *sha1);
-struct object_refs *alloc_object_refs(unsigned count);
-void set_object_refs(struct object *obj, struct object_refs *refs);
-
-void mark_reachable(struct object *obj, unsigned int mask);
-
struct object_list *object_list_insert(struct object *item,
struct object_list **list_p);
diff --git a/tag.c b/tag.c
index 38bf9134f..d19f56d60 100644
--- a/tag.c
+++ b/tag.c
@@ -84,12 +84,6 @@ int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
item->tagged = NULL;
}
- if (item->tagged && track_object_refs) {
- struct object_refs *refs = alloc_object_refs(1);
- refs->ref[0] = item->tagged;
- set_object_refs(&item->object, refs);
- }
-
return 0;
}
diff --git a/tree.c b/tree.c
index 8c0819fa7..113e1bb0a 100644
--- a/tree.c
+++ b/tree.c
@@ -202,52 +202,6 @@ struct tree *lookup_tree(const unsigned char *sha1)
return (struct tree *) obj;
}
-/*
- * NOTE! Tree refs to external git repositories
- * (ie gitlinks) do not count as real references.
- *
- * You don't have to have those repositories
- * available at all, much less have the objects
- * accessible from the current repository.
- */
-static void track_tree_refs(struct tree *item)
-{
- int n_refs = 0, i;
- struct object_refs *refs;
- struct tree_desc desc;
- struct name_entry entry;
-
- /* Count how many entries there are.. */
- init_tree_desc(&desc, item->buffer, item->size);
- while (tree_entry(&desc, &entry)) {
- if (S_ISGITLINK(entry.mode))
- continue;
- n_refs++;
- }
-
- /* Allocate object refs and walk it again.. */
- i = 0;
- refs = alloc_object_refs(n_refs);
- init_tree_desc(&desc, item->buffer, item->size);
- while (tree_entry(&desc, &entry)) {
- struct object *obj;
-
- if (S_ISGITLINK(entry.mode))
- continue;
- if (S_ISDIR(entry.mode))
- obj = &lookup_tree(entry.sha1)->object;
- else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode))
- obj = &lookup_blob(entry.sha1)->object;
- else {
- warning("in tree %s: entry %s has bad mode %.6o\n",
- sha1_to_hex(item->object.sha1), entry.path, entry.mode);
- obj = lookup_unknown_object(entry.sha1);
- }
- refs->ref[i++] = obj;
- }
- set_object_refs(&item->object, refs);
-}
-
int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size)
{
if (item->object.parsed)
@@ -256,8 +210,6 @@ int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size)
item->buffer = buffer;
item->size = size;
- if (track_object_refs)
- track_tree_refs(item);
return 0;
}
diff --git a/upload-pack.c b/upload-pack.c
index d1d2c2a1f..ba9ba5997 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -392,7 +392,6 @@ static int get_common_commits(void)
char hex[41], last_hex[41];
int len;
- track_object_refs = 0;
save_commit_buffer = 0;
for(;;) {
diff --git a/walker.c b/walker.c
index adc3e80ce..c10eca882 100644
--- a/walker.c
+++ b/walker.c
@@ -256,7 +256,6 @@ int walker_fetch(struct walker *walker, int targets, char **target,
int i;
save_commit_buffer = 0;
- track_object_refs = 0;
for (i = 0; i < targets; i++) {
if (!write_ref || !write_ref[i])