add a hashtable implementation that supports O(1) removal
[gitweb.git] / builtin / rm.c
index 694568a0e5058c7d3bdad852238f740069a085c5..3a0e0eaab7d1fd8a298bb2519776abede5c685e2 100644 (file)
@@ -11,6 +11,7 @@
 #include "parse-options.h"
 #include "string-list.h"
 #include "submodule.h"
+#include "pathspec.h"
 
 static const char * const builtin_rm_usage[] = {
        N_("git rm [options] [--] <file>..."),
@@ -51,7 +52,8 @@ static void print_error_files(struct string_list *files_list,
                        strbuf_addf(&err_msg,
                                    "\n    %s",
                                    files_list->items[i].string);
-               strbuf_addstr(&err_msg, hints_msg);
+               if (advice_rm_hints)
+                       strbuf_addstr(&err_msg, hints_msg);
                *errs = error("%s", err_msg.buf);
                strbuf_release(&err_msg);
        }
@@ -81,7 +83,7 @@ static int check_submodules_use_gitfiles(void)
        for (i = 0; i < list.nr; i++) {
                const char *name = list.entry[i].name;
                int pos;
-               struct cache_entry *ce;
+               const struct cache_entry *ce;
                struct stat st;
 
                pos = cache_name_pos(name, strlen(name));
@@ -126,7 +128,7 @@ static int check_local_mod(unsigned char *head, int index_only)
        for (i = 0; i < list.nr; i++) {
                struct stat st;
                int pos;
-               struct cache_entry *ce;
+               const struct cache_entry *ce;
                const char *name = list.entry[i].name;
                unsigned char sha1[20];
                unsigned mode;
@@ -266,10 +268,10 @@ static int ignore_unmatch = 0;
 static struct option builtin_rm_options[] = {
        OPT__DRY_RUN(&show_only, N_("dry run")),
        OPT__QUIET(&quiet, N_("do not list removed files")),
-       OPT_BOOLEAN( 0 , "cached",         &index_only, N_("only remove from the index")),
+       OPT_BOOL( 0 , "cached",         &index_only, N_("only remove from the index")),
        OPT__FORCE(&force, N_("override the up-to-date check")),
-       OPT_BOOLEAN('r', NULL,             &recursive,  N_("allow recursive removal")),
-       OPT_BOOLEAN( 0 , "ignore-unmatch", &ignore_unmatch,
+       OPT_BOOL('r', NULL,             &recursive,  N_("allow recursive removal")),
+       OPT_BOOL( 0 , "ignore-unmatch", &ignore_unmatch,
                                N_("exit with a zero status even if nothing matched")),
        OPT_END(),
 };
@@ -277,9 +279,10 @@ static struct option builtin_rm_options[] = {
 int cmd_rm(int argc, const char **argv, const char *prefix)
 {
        int i, newfd;
-       const char **pathspec;
+       struct pathspec pathspec;
        char *seen;
 
+       gitmodules_config();
        git_config(git_default_config, NULL);
 
        argc = parse_options(argc, argv, prefix, builtin_rm_options,
@@ -295,46 +298,35 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
        if (read_cache() < 0)
                die(_("index file corrupt"));
 
-       /*
-        * Drop trailing directory separators from directories so we'll find
-        * submodules in the index.
-        */
-       for (i = 0; i < argc; i++) {
-               size_t pathlen = strlen(argv[i]);
-               if (pathlen && is_dir_sep(argv[i][pathlen - 1]) &&
-                   is_directory(argv[i])) {
-                       do {
-                               pathlen--;
-                       } while (pathlen && is_dir_sep(argv[i][pathlen - 1]));
-                       argv[i] = xmemdupz(argv[i], pathlen);
-               }
-       }
-
-       pathspec = get_pathspec(prefix, argv);
-       refresh_index(&the_index, REFRESH_QUIET, pathspec, NULL, NULL);
+       parse_pathspec(&pathspec, 0,
+                      PATHSPEC_PREFER_CWD |
+                      PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
+                      prefix, argv);
+       refresh_index(&the_index, REFRESH_QUIET, &pathspec, NULL, NULL);
 
-       seen = NULL;
-       for (i = 0; pathspec[i] ; i++)
-               /* nothing */;
-       seen = xcalloc(i, 1);
+       seen = xcalloc(pathspec.nr, 1);
 
        for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce = active_cache[i];
-               if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen))
+               const struct cache_entry *ce = active_cache[i];
+               if (!match_pathspec_depth(&pathspec, ce->name, ce_namelen(ce), 0, seen))
                        continue;
                ALLOC_GROW(list.entry, list.nr + 1, list.alloc);
                list.entry[list.nr].name = ce->name;
-               list.entry[list.nr++].is_submodule = S_ISGITLINK(ce->ce_mode);
+               list.entry[list.nr].is_submodule = S_ISGITLINK(ce->ce_mode);
+               if (list.entry[list.nr++].is_submodule &&
+                   !is_staging_gitmodules_ok())
+                       die (_("Please, stage your changes to .gitmodules or stash them to proceed"));
        }
 
-       if (pathspec) {
-               const char *match;
+       if (pathspec.nr) {
+               const char *original;
                int seen_any = 0;
-               for (i = 0; (match = pathspec[i]) != NULL ; i++) {
+               for (i = 0; i < pathspec.nr; i++) {
+                       original = pathspec.items[i].original;
                        if (!seen[i]) {
                                if (!ignore_unmatch) {
                                        die(_("pathspec '%s' did not match any files"),
-                                           match);
+                                           original);
                                }
                        }
                        else {
@@ -342,10 +334,10 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
                        }
                        if (!recursive && seen[i] == MATCHED_RECURSIVELY)
                                die(_("not removing '%s' recursively without -r"),
-                                   *match ? match : ".");
+                                   *original ? original : ".");
                }
 
-               if (! seen_any)
+               if (!seen_any)
                        exit(0);
        }
 
@@ -395,13 +387,15 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
         * in the middle)
         */
        if (!index_only) {
-               int removed = 0;
+               int removed = 0, gitmodules_modified = 0;
                for (i = 0; i < list.nr; i++) {
                        const char *path = list.entry[i].name;
                        if (list.entry[i].is_submodule) {
                                if (is_empty_dir(path)) {
                                        if (!rmdir(path)) {
                                                removed = 1;
+                                               if (!remove_path_from_gitmodules(path))
+                                                       gitmodules_modified = 1;
                                                continue;
                                        }
                                } else {
@@ -409,9 +403,14 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
                                        strbuf_addstr(&buf, path);
                                        if (!remove_dir_recursively(&buf, 0)) {
                                                removed = 1;
+                                               if (!remove_path_from_gitmodules(path))
+                                                       gitmodules_modified = 1;
                                                strbuf_release(&buf);
                                                continue;
-                                       }
+                                       } else if (!file_exists(path))
+                                               /* Submodule was removed by user */
+                                               if (!remove_path_from_gitmodules(path))
+                                                       gitmodules_modified = 1;
                                        strbuf_release(&buf);
                                        /* Fallthrough and let remove_path() fail. */
                                }
@@ -423,6 +422,8 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
                        if (!removed)
                                die_errno("git rm: '%s'", path);
                }
+               if (gitmodules_modified)
+                       stage_updated_gitmodules();
        }
 
        if (active_cache_changed) {