fsmonitor: teach git to optionally utilize a file system monitor to speed up detecting new or changed files.

diff --git a/builtin/difftool.c b/builtin/difftool.c
index 9199227f6e9dc0b6d0c3e350f701aeaf9caaddd3..b2d3ba7539d5b9cdc7ec6f910ee24510e709f76c 100644 (file)
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -111,7 +111,7 @@ static int use_wt_file(const char *workdir, const char *name,
                int fd = open(buf.buf, O_RDONLY);
 
                if (fd >= 0 &&
-                   !index_fd(wt_oid.hash, fd, &st, OBJ_BLOB, name, 0)) {
+                   !index_fd(&wt_oid, fd, &st, OBJ_BLOB, name, 0)) {
                        if (is_null_oid(oid)) {
                                oidcpy(oid, &wt_oid);
                                use = 1;
@@ -130,9 +130,13 @@ struct working_tree_entry {
        char path[FLEX_ARRAY];
 };
 
-static int working_tree_entry_cmp(struct working_tree_entry *a,
-                                 struct working_tree_entry *b, void *keydata)
+static int working_tree_entry_cmp(const void *unused_cmp_data,
+                                 const void *entry,
+                                 const void *entry_or_key,
+                                 const void *unused_keydata)
 {
+       const struct working_tree_entry *a = entry;
+       const struct working_tree_entry *b = entry_or_key;
        return strcmp(a->path, b->path);
 }
 
@@ -146,8 +150,14 @@ struct pair_entry {
        const char path[FLEX_ARRAY];
 };
 
-static int pair_cmp(struct pair_entry *a, struct pair_entry *b, void *keydata)
+static int pair_cmp(const void *unused_cmp_data,
+                   const void *entry,
+                   const void *entry_or_key,
+                   const void *unused_keydata)
 {
+       const struct pair_entry *a = entry;
+       const struct pair_entry *b = entry_or_key;
+
        return strcmp(a->path, b->path);
 }
 
@@ -174,8 +184,14 @@ struct path_entry {
        char path[FLEX_ARRAY];
 };
 
-static int path_entry_cmp(struct path_entry *a, struct path_entry *b, void *key)
+static int path_entry_cmp(const void *unused_cmp_data,
+                         const void *entry,
+                         const void *entry_or_key,
+                         const void *key)
 {
+       const struct path_entry *a = entry;
+       const struct path_entry *b = entry_or_key;
+
        return strcmp(a->path, key ? key : b->path);
 }
 
@@ -366,10 +382,9 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
        rdir_len = rdir.len;
        wtdir_len = wtdir.len;
 
-       hashmap_init(&working_tree_dups,
-                    (hashmap_cmp_fn)working_tree_entry_cmp, 0);
-       hashmap_init(&submodules, (hashmap_cmp_fn)pair_cmp, 0);
-       hashmap_init(&symlinks2, (hashmap_cmp_fn)pair_cmp, 0);
+       hashmap_init(&working_tree_dups, working_tree_entry_cmp, NULL, 0);
+       hashmap_init(&submodules, pair_cmp, NULL, 0);
+       hashmap_init(&symlinks2, pair_cmp, NULL, 0);
 
        child.no_stdin = 1;
        child.git_cmd = 1;
@@ -579,10 +594,8 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
         * in the common case of --symlinks and the difftool updating
         * files through the symlink.
         */
-       hashmap_init(&wt_modified, (hashmap_cmp_fn)path_entry_cmp,
-                    wtindex.cache_nr);
-       hashmap_init(&tmp_modified, (hashmap_cmp_fn)path_entry_cmp,
-                    wtindex.cache_nr);
+       hashmap_init(&wt_modified, path_entry_cmp, NULL, wtindex.cache_nr);
+       hashmap_init(&tmp_modified, path_entry_cmp, NULL, wtindex.cache_nr);
 
        for (i = 0; i < wtindex.cache_nr; i++) {
                struct hashmap_entry dummy;