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authorNguyễn Thái Ngọc Duy <pclouds@gmail.com>2014-06-13 19:19:27 +0700
committerJunio C Hamano <gitster@pobox.com>2014-06-13 11:49:38 -0700
commite636a7b4d0304608fe063ffcbbaf99e46f23dbea (patch)
treeb49b7a71aa55fe85073c4fb4813581e4d9008315
parentad837d9ef9d555ab5077767c8672ff48c6cb562b (diff)
downloadgit-e636a7b4d0304608fe063ffcbbaf99e46f23dbea.tar.gz
read-cache: be specific what part of the index has changed
cache entry additions, removals and modifications are separated out. The rest of changes are still in the catch-all flag SOMETHING_CHANGED, which would be more specific later. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/update-index.c6
-rw-r--r--cache.h5
-rw-r--r--read-cache.c11
-rw-r--r--resolve-undo.c2
4 files changed, 15 insertions, 9 deletions
diff --git a/builtin/update-index.c b/builtin/update-index.c
index 42cbe4ba1e..d2654d643d 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -56,7 +56,7 @@ static int mark_ce_flags(const char *path, int flag, int mark)
else
active_cache[pos]->ce_flags &= ~flag;
cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+ active_cache_changed = SOMETHING_CHANGED;
return 0;
}
return -1;
@@ -268,7 +268,7 @@ static void chmod_path(int flip, const char *path)
goto fail;
}
cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+ active_cache_changed = SOMETHING_CHANGED;
report("chmod %cx '%s'", flip, path);
return;
fail:
@@ -889,7 +889,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
INDEX_FORMAT_LB, INDEX_FORMAT_UB);
if (the_index.version != preferred_index_format)
- active_cache_changed = 1;
+ active_cache_changed = SOMETHING_CHANGED;
the_index.version = preferred_index_format;
}
diff --git a/cache.h b/cache.h
index 57ad318679..31d4541bc6 100644
--- a/cache.h
+++ b/cache.h
@@ -268,6 +268,11 @@ static inline unsigned int canon_mode(unsigned int mode)
#define cache_entry_size(len) (offsetof(struct cache_entry,name) + (len) + 1)
+#define SOMETHING_CHANGED (1 << 0) /* unclassified changes go here */
+#define CE_ENTRY_CHANGED (1 << 1)
+#define CE_ENTRY_REMOVED (1 << 2)
+#define CE_ENTRY_ADDED (1 << 3)
+
struct index_state {
struct cache_entry **cache;
unsigned int version;
diff --git a/read-cache.c b/read-cache.c
index c0c2e39ced..035c72e101 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -51,7 +51,7 @@ static void replace_index_entry(struct index_state *istate, int nr, struct cache
remove_name_hash(istate, old);
free(old);
set_index_entry(istate, nr, ce);
- istate->cache_changed = 1;
+ istate->cache_changed |= CE_ENTRY_CHANGED;
}
void rename_index_entry_at(struct index_state *istate, int nr, const char *new_name)
@@ -482,7 +482,7 @@ int remove_index_entry_at(struct index_state *istate, int pos)
record_resolve_undo(istate, ce);
remove_name_hash(istate, ce);
free(ce);
- istate->cache_changed = 1;
+ istate->cache_changed |= CE_ENTRY_REMOVED;
istate->cache_nr--;
if (pos >= istate->cache_nr)
return 0;
@@ -512,7 +512,7 @@ void remove_marked_cache_entries(struct index_state *istate)
}
if (j == istate->cache_nr)
return;
- istate->cache_changed = 1;
+ istate->cache_changed |= CE_ENTRY_REMOVED;
istate->cache_nr = j;
}
@@ -1002,7 +1002,7 @@ int add_index_entry(struct index_state *istate, struct cache_entry *ce, int opti
istate->cache + pos,
(istate->cache_nr - pos - 1) * sizeof(ce));
set_index_entry(istate, pos, ce);
- istate->cache_changed = 1;
+ istate->cache_changed |= CE_ENTRY_ADDED;
return 0;
}
@@ -1101,6 +1101,7 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
!(ce->ce_flags & CE_VALID))
updated->ce_flags &= ~CE_VALID;
+ /* istate->cache_changed is updated in the caller */
return updated;
}
@@ -1182,7 +1183,7 @@ int refresh_index(struct index_state *istate, unsigned int flags,
* means the index is not valid anymore.
*/
ce->ce_flags &= ~CE_VALID;
- istate->cache_changed = 1;
+ istate->cache_changed |= CE_ENTRY_CHANGED;
}
if (quiet)
continue;
diff --git a/resolve-undo.c b/resolve-undo.c
index 44c697c36d..e9dff57824 100644
--- a/resolve-undo.c
+++ b/resolve-undo.c
@@ -110,7 +110,7 @@ void resolve_undo_clear_index(struct index_state *istate)
string_list_clear(resolve_undo, 1);
free(resolve_undo);
istate->resolve_undo = NULL;
- istate->cache_changed = 1;
+ istate->cache_changed = SOMETHING_CHANGED;
}
int unmerge_index_entry_at(struct index_state *istate, int pos)