Rename static variable write_index to update_index in builtin-apply.c

[git.git] / builtin-update-index.c

diff --git a/builtin-update-index.c b/builtin-update-index.c
index 182331d34156dd6b88d16a068efad591e07ae6b3..d1e5cf753963b0cadc8f9ba55179a991cf759dae 100644 (file)
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -60,7 +60,7 @@ static int mark_valid(const char *path)
        return -1;
 }
 
-static int add_file_to_cache(const char *path)
+static int process_file(const char *path)
 {
        int size, namelen, option, status;
        struct cache_entry *ce;
@@ -109,16 +109,17 @@ static int add_file_to_cache(const char *path)
        ce->ce_flags = htons(namelen);
        fill_stat_cache_info(ce, &st);
 
-       ce->ce_mode = create_ce_mode(st.st_mode);
-       if (!trust_executable_bit) {
-               /* If there is an existing entry, pick the mode bits
-                * from it, otherwise assume unexecutable.
+       if (trust_executable_bit && has_symlinks)
+               ce->ce_mode = create_ce_mode(st.st_mode);
+       else {
+               /* If there is an existing entry, pick the mode bits and type
+                * from it, otherwise assume unexecutable regular file.
                 */
+               struct cache_entry *ent;
                int pos = cache_name_pos(path, namelen);
-               if (0 <= pos)
-                       ce->ce_mode = active_cache[pos]->ce_mode;
-               else if (S_ISREG(st.st_mode))
-                       ce->ce_mode = create_ce_mode(S_IFREG | 0666);
+
+               ent = (0 <= pos) ? active_cache[pos] : NULL;
+               ce->ce_mode = ce_mode_from_stat(ent, st.st_mode);
        }
 
        if (index_path(ce->sha1, path, &st, !info_only))
@@ -209,7 +210,7 @@ static void update_one(const char *path, const char *prefix, int prefix_length)
                report("remove '%s'", path);
                goto free_return;
        }
-       if (add_file_to_cache(p))
+       if (process_file(p))
                die("Unable to process file %s", path);
        report("add '%s'", path);
  free_return:
@@ -486,6 +487,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
        int prefix_length = prefix ? strlen(prefix) : 0;
        char set_executable_bit = 0;
        unsigned int refresh_flags = 0;
+       int lock_error = 0;
        struct lock_file *lock_file;
 
        git_config(git_default_config);
@@ -493,7 +495,9 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
        /* We can't free this memory, it becomes part of a linked list parsed atexit() */
        lock_file = xcalloc(1, sizeof(struct lock_file));
 
-       newfd = hold_lock_file_for_update(lock_file, get_index_file(), 1);
+       newfd = hold_lock_file_for_update(lock_file, get_index_file(), 0);
+       if (newfd < 0)
+               lock_error = errno;
 
        entries = read_cache();
        if (entries < 0)
@@ -501,6 +505,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 
        for (i = 1 ; i < argc; i++) {
                const char *path = argv[i];
+               const char *p;
 
                if (allow_options && *path == '-') {
                        if (!strcmp(path, "--")) {
@@ -616,9 +621,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                usage(update_index_usage);
                        die("unknown option %s", path);
                }
-               update_one(path, prefix, prefix_length);
+               p = prefix_path(prefix, prefix_length, path);
+               update_one(p, NULL, 0);
                if (set_executable_bit)
-                       chmod_path(set_executable_bit, path);
+                       chmod_path(set_executable_bit, p);
+               if (p < path || p > path + strlen(path))
+                       free((char*)p);
        }
        if (read_from_stdin) {
                struct strbuf buf;
@@ -646,6 +654,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 
  finish:
        if (active_cache_changed) {
+               if (newfd < 0) {
+                       if (refresh_flags & REFRESH_QUIET)
+                               exit(128);
+                       die("unable to create '%s.lock': %s",
+                           get_index_file(), strerror(lock_error));
+               }
                if (write_cache(newfd, active_cache, active_nr) ||
                    close(newfd) || commit_lock_file(lock_file))
                        die("Unable to write new index file");