Merge branch 'js/azure-pipelines-msvc'

[thirdparty/git.git] / read-cache.c

diff --git a/read-cache.c b/read-cache.c
index ec13953a21686f8ed69b1cd4ff0d61e3c7e6aaf3..133f790fa4cd52e503da5ae6be3f78389f7674b7 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -1472,6 +1472,27 @@ static void show_file(const char * fmt, const char * name, int in_porcelain,
        printf(fmt, name);
 }
 
+int repo_refresh_and_write_index(struct repository *repo,
+                                unsigned int refresh_flags,
+                                unsigned int write_flags,
+                                int gentle,
+                                const struct pathspec *pathspec,
+                                char *seen, const char *header_msg)
+{
+       struct lock_file lock_file = LOCK_INIT;
+       int fd, ret = 0;
+
+       fd = repo_hold_locked_index(repo, &lock_file, 0);
+       if (!gentle && fd < 0)
+               return -1;
+       if (refresh_index(repo->index, refresh_flags, pathspec, seen, header_msg))
+               ret = 1;
+       if (0 <= fd && write_locked_index(repo->index, &lock_file, COMMIT_LOCK | write_flags))
+               ret = -1;
+       return ret;
+}
+
+
 int refresh_index(struct index_state *istate, unsigned int flags,
                  const struct pathspec *pathspec,
                  char *seen, const char *header_msg)
@@ -1599,16 +1620,17 @@ struct cache_entry *refresh_cache_entry(struct index_state *istate,
 
 #define INDEX_FORMAT_DEFAULT 3
 
-static unsigned int get_index_format_default(void)
+static unsigned int get_index_format_default(struct repository *r)
 {
        char *envversion = getenv("GIT_INDEX_VERSION");
        char *endp;
-       int value;
        unsigned int version = INDEX_FORMAT_DEFAULT;
 
        if (!envversion) {
-               if (!git_config_get_int("index.version", &value))
-                       version = value;
+               prepare_repo_settings(r);
+
+               if (r->settings.index_version >= 0)
+                       version = r->settings.index_version;
                if (version < INDEX_FORMAT_LB || INDEX_FORMAT_UB < version) {
                        warning(_("index.version set, but the value is invalid.\n"
                                  "Using version %i"), INDEX_FORMAT_DEFAULT);
@@ -1844,18 +1866,17 @@ static void check_ce_order(struct index_state *istate)
 
 static void tweak_untracked_cache(struct index_state *istate)
 {
-       switch (git_config_get_untracked_cache()) {
-       case -1: /* keep: do nothing */
-               break;
-       case 0: /* false */
+       struct repository *r = the_repository;
+
+       prepare_repo_settings(r);
+
+       if (r->settings.core_untracked_cache  == UNTRACKED_CACHE_REMOVE) {
                remove_untracked_cache(istate);
-               break;
-       case 1: /* true */
-               add_untracked_cache(istate);
-               break;
-       default: /* unknown value: do nothing */
-               break;
+               return;
        }
+
+       if (r->settings.core_untracked_cache == UNTRACKED_CACHE_WRITE)
+               add_untracked_cache(istate);
 }
 
 static void tweak_split_index(struct index_state *istate)
@@ -2140,7 +2161,7 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist)
        if (mmap_size < sizeof(struct cache_header) + the_hash_algo->rawsz)
                die(_("%s: index file smaller than expected"), path);
 
-       mmap = xmmap(NULL, mmap_size, PROT_READ, MAP_PRIVATE, fd, 0);
+       mmap = xmmap_gently(NULL, mmap_size, PROT_READ, MAP_PRIVATE, fd, 0);
        if (mmap == MAP_FAILED)
                die_errno(_("%s: unable to map index file"), path);
        close(fd);
@@ -2765,7 +2786,7 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
        }
 
        if (!istate->version) {
-               istate->version = get_index_format_default();
+               istate->version = get_index_format_default(the_repository);
                if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0))
                        init_split_index(istate);
        }