[PATCH 13/32] cache-tree: mark istate->cache_changed on cache tree update

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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 cache-tree.c           | 25 +++++++++++--------------
 cache-tree.h           |  2 +-
 merge-recursive.c      |  4 +---
 sequencer.c            |  4 +---
 test-dump-cache-tree.c |  7 ++++---
 5 files changed, 18 insertions(+), 24 deletions(-)

diff --git a/cache-tree.c b/cache-tree.c
index 23ddc73..18055f1 100644
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -151,7 +151,7 @@ void cache_tree_invalidate_path(struct index_state *istate, const char *path)
 		istate->cache_changed |= CACHE_TREE_CHANGED;
 }
 
-static int verify_cache(const struct cache_entry * const *cache,
+static int verify_cache(struct cache_entry **cache,
 			int entries, int flags)
 {
 	int i, funny;
@@ -236,7 +236,7 @@ int cache_tree_fully_valid(struct cache_tree *it)
 }
 
 static int update_one(struct cache_tree *it,
-		      const struct cache_entry * const *cache,
+		      struct cache_entry **cache,
 		      int entries,
 		      const char *base,
 		      int baselen,
@@ -398,18 +398,19 @@ static int update_one(struct cache_tree *it,
 	return i;
 }
 
-int cache_tree_update(struct cache_tree *it,
-		      const struct cache_entry * const *cache,
-		      int entries,
-		      int flags)
+int cache_tree_update(struct index_state *istate, int flags)
 {
-	int i, skip;
-	i = verify_cache(cache, entries, flags);
+	struct cache_tree *it = istate->cache_tree;
+	struct cache_entry **cache = istate->cache;
+	int entries = istate->cache_nr;
+	int skip, i = verify_cache(cache, entries, flags);
+
 	if (i)
 		return i;
 	i = update_one(it, cache, entries, "", 0, &skip, flags);
 	if (i < 0)
 		return i;
+	istate->cache_changed |= CACHE_TREE_CHANGED;
 	return 0;
 }
 
@@ -597,9 +598,7 @@ int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix)
 
 	was_valid = cache_tree_fully_valid(active_cache_tree);
 	if (!was_valid) {
-		if (cache_tree_update(active_cache_tree,
-				      (const struct cache_entry * const *)active_cache,
-				      active_nr, flags) < 0)
+		if (cache_tree_update(&the_index, flags) < 0)
 			return WRITE_TREE_UNMERGED_INDEX;
 		if (0 <= newfd) {
 			if (!write_locked_index(&the_index, lock_file, COMMIT_LOCK))
@@ -698,7 +697,5 @@ int update_main_cache_tree(int flags)
 {
 	if (!the_index.cache_tree)
 		the_index.cache_tree = cache_tree();
-	return cache_tree_update(the_index.cache_tree,
-				 (const struct cache_entry * const *)the_index.cache,
-				 the_index.cache_nr, flags);
+	return cache_tree_update(&the_index, flags);
 }
diff --git a/cache-tree.h b/cache-tree.h
index dfbcfab..154b357 100644
--- a/cache-tree.h
+++ b/cache-tree.h
@@ -30,7 +30,7 @@ void cache_tree_write(struct strbuf *, struct cache_tree *root);
 struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
 
 int cache_tree_fully_valid(struct cache_tree *);
-int cache_tree_update(struct cache_tree *, const struct cache_entry * const *, int, int);
+int cache_tree_update(struct index_state *, int);
 
 int update_main_cache_tree(int);
 
diff --git a/merge-recursive.c b/merge-recursive.c
index 442c1ec..0b5d34d 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -265,9 +265,7 @@ struct tree *write_tree_from_memory(struct merge_options *o)
 		active_cache_tree = cache_tree();
 
 	if (!cache_tree_fully_valid(active_cache_tree) &&
-	    cache_tree_update(active_cache_tree,
-			      (const struct cache_entry * const *)active_cache,
-			      active_nr, 0) < 0)
+	    cache_tree_update(&the_index, 0) < 0)
 		die(_("error building trees"));
 
 	result = lookup_tree(active_cache_tree->sha1);
diff --git a/sequencer.c b/sequencer.c
index 4fb0774..377c877 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -371,9 +371,7 @@ static int is_index_unchanged(void)
 		active_cache_tree = cache_tree();
 
 	if (!cache_tree_fully_valid(active_cache_tree))
-		if (cache_tree_update(active_cache_tree,
-				      (const struct cache_entry * const *)active_cache,
-				      active_nr, 0))
+		if (cache_tree_update(&the_index, 0))
 			return error(_("Unable to update cache tree\n"));
 
 	return !hashcmp(active_cache_tree->sha1, head_commit->tree->object.sha1);
diff --git a/test-dump-cache-tree.c b/test-dump-cache-tree.c
index 47eab97..330ba4f 100644
--- a/test-dump-cache-tree.c
+++ b/test-dump-cache-tree.c
@@ -56,11 +56,12 @@ static int dump_cache_tree(struct cache_tree *it,
 
 int main(int ac, char **av)
 {
+	struct index_state istate;
 	struct cache_tree *another = cache_tree();
 	if (read_cache() < 0)
 		die("unable to read index file");
-	cache_tree_update(another,
-			  (const struct cache_entry * const *)active_cache,
-			  active_nr, WRITE_TREE_DRY_RUN);
+	istate = the_index;
+	istate.cache_tree = another;
+	cache_tree_update(&istate, WRITE_TREE_DRY_RUN);
 	return dump_cache_tree(active_cache_tree, another, "");
 }
-- 
1.9.1.346.ga2b5940

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