git-cvsimport-script: clean up documentation

[git.git] / update-cache.c

diff --git a/update-cache.c b/update-cache.c
index a956953..7c2698d 100644 (file)
--- a/update-cache.c
+++ b/update-cache.c
@@ -12,7 +12,8 @@
  * like "git-update-cache *" and suddenly having all the object
  * files be revision controlled.
  */
-static int allow_add = 0, allow_remove = 0, allow_replace = 0, not_new = 0;
+static int allow_add = 0, allow_remove = 0, allow_replace = 0, not_new = 0, quiet = 0;
+static int force_remove;
 
 /* Three functions to allow overloaded pointer return; see linux/err.h */
 static inline void *ERR_PTR(long error)
@@ -221,10 +222,12 @@ static int refresh_cache(void)
 
                new = refresh_entry(ce);
                if (IS_ERR(new)) {
-                       if (!(not_new && PTR_ERR(new) == -ENOENT)) {
-                               printf("%s: needs update\n", ce->name);
-                               has_errors = 1;
-                       }
+                       if (not_new && PTR_ERR(new) == -ENOENT)
+                               continue;
+                       if (quiet)
+                               continue;
+                       printf("%s: needs update\n", ce->name);
+                       has_errors = 1;
                        continue;
                }
                active_cache_changed = 1;
@@ -238,13 +241,42 @@ static int refresh_cache(void)
 
 /*
  * We fundamentally don't like some paths: we don't want
- * dot or dot-dot anywhere, and in fact, we don't even want
- * any other dot-files (.git or anything else). They
- * are hidden, for chist sake.
+ * dot or dot-dot anywhere, and for obvious reasons don't
+ * want to recurse into ".git" either.
  *
  * Also, we don't want double slashes or slashes at the
  * end that can make pathnames ambiguous.
  */
+static int verify_dotfile(const char *rest)
+{
+       /*
+        * The first character was '.', but that
+        * has already been discarded, we now test
+        * the rest.
+        */
+       switch (*rest) {
+       /* "." is not allowed */
+       case '\0': case '/':
+               return 0;
+
+       /*
+        * ".git" followed by  NUL or slash is bad. This
+        * shares the path end test with the ".." case.
+        */
+       case 'g':
+               if (rest[1] != 'i')
+                       break;
+               if (rest[2] != 't')
+                       break;
+               rest += 2;
+       /* fallthrough */
+       case '.':
+               if (rest[1] == '\0' || rest[1] == '/')
+                       return 0;
+       }
+       return 1;
+}
+
 static int verify_path(char *path)
 {
        char c;
@@ -256,8 +288,15 @@ static int verify_path(char *path)
                if (c == '/') {
 inside:
                        c = *path++;
-                       if (c != '/' && c != '.' && c != '\0')
+                       switch (c) {
+                       default:
                                continue;
+                       case '/': case '\0':
+                               break;
+                       case '.':
+                               if (verify_dotfile(path))
+                                       continue;
+                       }
                        return 0;
                }
                c = *path++;
@@ -292,7 +331,7 @@ static int add_cacheinfo(char *arg1, char *arg2, char *arg3)
        return add_cache_entry(ce, option);
 }
 
-struct cache_file cache_file;
+static struct cache_file cache_file;
 
 int main(int argc, char **argv)
 {
@@ -315,6 +354,10 @@ int main(int argc, char **argv)
                                allow_options = 0;
                                continue;
                        }
+                       if (!strcmp(path, "-q")) {
+                               quiet = 1;
+                               continue;
+                       }
                        if (!strcmp(path, "--add")) {
                                allow_add = 1;
                                continue;
@@ -340,11 +383,7 @@ int main(int argc, char **argv)
                                continue;
                        }
                        if (!strcmp(path, "--force-remove")) {
-                               if (argc <= i + 1)
-                                       die("git-update-cache: --force-remove <path>");
-                               if (remove_file_from_cache(argv[i+1]))
-                                       die("git-update-cache: --force-remove cannot remove %s", argv[i+1]);
-                               i++;
+                               force_remove = 1;
                                continue;
                        }
 
@@ -358,6 +397,11 @@ int main(int argc, char **argv)
                        fprintf(stderr, "Ignoring path %s\n", argv[i]);
                        continue;
                }
+               if (force_remove) {
+                       if (remove_file_from_cache(path))
+                               die("git-update-cache: --force-remove cannot remove %s", path);
+                       continue;
+               }
                if (add_file_to_cache(path))
                        die("Unable to add %s to database", path);
        }