bisect: test merge base if good rev is not an ancestor of bad rev

[git.git] / builtin-add.c

diff --git a/builtin-add.c b/builtin-add.c
index 0de516ad95b0c6fe9441a217cfd84b046f568bfe..7c874e31154a4c3f96b3403db1bdcb0b36fdec3e 100644 (file)
--- a/builtin-add.c
+++ b/builtin-add.c
@@ -18,6 +18,27 @@ static const char * const builtin_add_usage[] = {
 static int patch_interactive = 0, add_interactive = 0;
 static int take_worktree_changes;
 
+static void fill_pathspec_matches(const char **pathspec, char *seen, int specs)
+{
+       int num_unmatched = 0, i;
+
+       /*
+        * Since we are walking the index as if we are warlking the directory,
+        * we have to mark the matched pathspec as seen; otherwise we will
+        * mistakenly think that the user gave a pathspec that did not match
+        * anything.
+        */
+       for (i = 0; i < specs; i++)
+               if (!seen[i])
+                       num_unmatched++;
+       if (!num_unmatched)
+               return;
+       for (i = 0; i < active_nr; i++) {
+               struct cache_entry *ce = active_cache[i];
+               match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen);
+       }
+}
+
 static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
 {
        char *seen;
@@ -37,6 +58,7 @@ static void prune_directory(struct dir_struct *dir, const char **pathspec, int p
                        *dst++ = entry;
        }
        dir->nr = dst - dir->entries;
+       fill_pathspec_matches(pathspec, seen, specs);
 
        for (i = 0; i < specs; i++) {
                if (!seen[i] && !file_exists(pathspec[i]))
@@ -96,6 +118,16 @@ static const char **validate_pathspec(int argc, const char **argv, const char *p
 {
        const char **pathspec = get_pathspec(prefix, argv);
 
+       if (pathspec) {
+               const char **p;
+               for (p = pathspec; *p; p++) {
+                       if (has_symlink_leading_path(strlen(*p), *p)) {
+                               int len = prefix ? strlen(prefix) : 0;
+                               die("'%s' is beyond a symbolic link", *p + len);
+                       }
+               }
+       }
+
        return pathspec;
 }
 
@@ -201,7 +233,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 
        if (addremove && take_worktree_changes)
                die("-A and -u are mutually incompatible");
-       if (addremove && !argc) {
+       if ((addremove || take_worktree_changes) && !argc) {
                static const char *here[2] = { ".", NULL };
                argc = 1;
                argv = here;
@@ -214,33 +246,30 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 
        flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
                 (show_only ? ADD_CACHE_PRETEND : 0) |
-                (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0));
+                (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
+                (!(addremove || take_worktree_changes)
+                 ? ADD_CACHE_IGNORE_REMOVAL : 0));
 
        if (require_pathspec && argc == 0) {
                fprintf(stderr, "Nothing specified, nothing added.\n");
                fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
                return 0;
        }
-       pathspec = get_pathspec(prefix, argv);
-
-       /*
-        * If we are adding new files, we need to scan the working
-        * tree to find the ones that match pathspecs; this needs
-        * to be done before we read the index.
-        */
-       if (add_new_files)
-               fill_directory(&dir, pathspec, ignored_too);
+       pathspec = validate_pathspec(argc, argv, prefix);
 
        if (read_cache() < 0)
                die("index file corrupt");
 
+       if (add_new_files)
+               /* This picks up the paths that are not tracked */
+               fill_directory(&dir, pathspec, ignored_too);
+
        if (refresh_only) {
                refresh(verbose, pathspec);
                goto finish;
        }
 
-       if (take_worktree_changes || addremove)
-               exit_status |= add_files_to_cache(prefix, pathspec, flags);
+       exit_status |= add_files_to_cache(prefix, pathspec, flags);
 
        if (add_new_files)
                exit_status |= add_files(&dir, flags);