do not overwrite files in leading path

diff --git a/builtin/add.c b/builtin/add.c
index 17149cfeedcc39956dc55f8b72acc1227fed5213..56a4e0af6b35ea9f6d86accad27a1c87bc5ad0d9 100644 (file)
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -310,7 +310,7 @@ static const char ignore_error[] =
 "The following paths are ignored by one of your .gitignore files:\n";
 
 static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
-static int ignore_add_errors, addremove, intent_to_add;
+static int ignore_add_errors, addremove, intent_to_add, ignore_missing = 0;
 
 static struct option builtin_add_options[] = {
        OPT__DRY_RUN(&show_only),
@@ -325,6 +325,7 @@ static struct option builtin_add_options[] = {
        OPT_BOOLEAN('A', "all", &addremove, "add all, noticing removal of tracked files"),
        OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
        OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"),
+       OPT_BOOLEAN( 0 , "ignore-missing", &ignore_missing, "check if - even missing - files are ignored in dry run"),
        OPT_END(),
 };
 
@@ -385,6 +386,8 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 
        if (addremove && take_worktree_changes)
                die("-A and -u are mutually incompatible");
+       if (!show_only && ignore_missing)
+               die("Option --ignore-missing can only be used together with --dry-run");
        if ((addremove || take_worktree_changes) && !argc) {
                static const char *here[2] = { ".", NULL };
                argc = 1;
@@ -441,9 +444,14 @@ int cmd_add(int argc, const char **argv, const char *prefix)
                        seen = find_used_pathspec(pathspec);
                for (i = 0; pathspec[i]; i++) {
                        if (!seen[i] && pathspec[i][0]
-                           && !file_exists(pathspec[i]))
-                               die("pathspec '%s' did not match any files",
-                                   pathspec[i]);
+                           && !file_exists(pathspec[i])) {
+                               if (ignore_missing) {
+                                       if (excluded(&dir, pathspec[i], DT_UNKNOWN))
+                                               dir_add_ignored(&dir, pathspec[i], strlen(pathspec[i]));
+                               } else
+                                       die("pathspec '%s' did not match any files",
+                                           pathspec[i]);
+                       }
                }
                free(seen);
        }