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List:       git
Subject:    [PATCH 20/31] tree: convert read_tree to take an index parameter
From:       Brandon Williams <bmwill () google ! com>
Date:       2017-05-31 21:44:06
Message-ID: 20170531214417.38857-21-bmwill () google ! com
[Download RAW message or body]

Signed-off-by: Brandon Williams <bmwill@google.com>
---
 builtin/ls-files.c |  2 +-
 tree.c             | 28 ++++++++++++++++++----------
 tree.h             |  3 ++-
 3 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index f16ce0053..620487a77 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -461,7 +461,7 @@ void overlay_tree_on_cache(const char *tree_name, const char \
*prefix)  PATHSPEC_PREFER_CWD, prefix, matchbuf);
 	} else
 		memset(&pathspec, 0, sizeof(pathspec));
-	if (read_tree(tree, 1, &pathspec))
+	if (read_tree(tree, 1, &pathspec, &the_index))
 		die("unable to read tree entries %s", tree_name);
 
 	for (i = 0; i < active_nr; i++) {
diff --git a/tree.c b/tree.c
index 603b29ee8..dd69423d9 100644
--- a/tree.c
+++ b/tree.c
@@ -1,3 +1,4 @@
+#define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
 #include "cache-tree.h"
 #include "tree.h"
@@ -8,7 +9,11 @@
 
 const char *tree_type = "tree";
 
-static int read_one_entry_opt(const unsigned char *sha1, const char *base, int \
baselen, const char *pathname, unsigned mode, int stage, int opt) +static int \
read_one_entry_opt(struct index_state *istate, +			      const unsigned char *sha1,
+			      const char *base, int baselen,
+			      const char *pathname,
+			      unsigned mode, int stage, int opt)
 {
 	int len;
 	unsigned int size;
@@ -27,14 +32,15 @@ static int read_one_entry_opt(const unsigned char *sha1, const \
char *base, int b  memcpy(ce->name, base, baselen);
 	memcpy(ce->name + baselen, pathname, len+1);
 	hashcpy(ce->oid.hash, sha1);
-	return add_cache_entry(ce, opt);
+	return add_index_entry(istate, ce, opt);
 }
 
 static int read_one_entry(const unsigned char *sha1, struct strbuf *base,
 			  const char *pathname, unsigned mode, int stage,
 			  void *context)
 {
-	return read_one_entry_opt(sha1, base->buf, base->len, pathname,
+	struct index_state *istate = context;
+	return read_one_entry_opt(istate, sha1, base->buf, base->len, pathname,
 				  mode, stage,
 				  ADD_CACHE_OK_TO_ADD|ADD_CACHE_SKIP_DFCHECK);
 }
@@ -47,7 +53,8 @@ static int read_one_entry_quick(const unsigned char *sha1, struct \
strbuf *base,  const char *pathname, unsigned mode, int stage,
 				void *context)
 {
-	return read_one_entry_opt(sha1, base->buf, base->len, pathname,
+	struct index_state *istate = context;
+	return read_one_entry_opt(istate, sha1, base->buf, base->len, pathname,
 				  mode, stage,
 				  ADD_CACHE_JUST_APPEND);
 }
@@ -144,7 +151,8 @@ static int cmp_cache_name_compare(const void *a_, const void *b_)
 				  ce2->name, ce2->ce_namelen, ce_stage(ce2));
 }
 
-int read_tree(struct tree *tree, int stage, struct pathspec *match)
+int read_tree(struct tree *tree, int stage, struct pathspec *match,
+	      struct index_state *istate)
 {
 	read_tree_fn_t fn = NULL;
 	int i, err;
@@ -164,23 +172,23 @@ int read_tree(struct tree *tree, int stage, struct pathspec \
                *match)
 	 * do it the original slow way, otherwise, append and then
 	 * sort at the end.
 	 */
-	for (i = 0; !fn && i < active_nr; i++) {
-		const struct cache_entry *ce = active_cache[i];
+	for (i = 0; !fn && i < istate->cache_nr; i++) {
+		const struct cache_entry *ce = istate->cache[i];
 		if (ce_stage(ce) == stage)
 			fn = read_one_entry;
 	}
 
 	if (!fn)
 		fn = read_one_entry_quick;
-	err = read_tree_recursive(tree, "", 0, stage, match, fn, NULL);
+	err = read_tree_recursive(tree, "", 0, stage, match, fn, istate);
 	if (fn == read_one_entry || err)
 		return err;
 
 	/*
 	 * Sort the cache entry -- we need to nuke the cache tree, though.
 	 */
-	cache_tree_free(&active_cache_tree);
-	QSORT(active_cache, active_nr, cmp_cache_name_compare);
+	cache_tree_free(&istate->cache_tree);
+	QSORT(istate->cache, istate->cache_nr, cmp_cache_name_compare);
 	return 0;
 }
 
diff --git a/tree.h b/tree.h
index 0d4734b94..744e6dc2a 100644
--- a/tree.h
+++ b/tree.h
@@ -34,6 +34,7 @@ extern int read_tree_recursive(struct tree *tree,
 			       int stage, const struct pathspec *pathspec,
 			       read_tree_fn_t fn, void *context);
 
-extern int read_tree(struct tree *tree, int stage, struct pathspec *pathspec);
+extern int read_tree(struct tree *tree, int stage, struct pathspec *pathspec,
+		     struct index_state *istate);
 
 #endif /* TREE_H */
-- 
2.13.0.506.g27d5fe0cd-goog


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