builtin/config.c: rename check_blob_write() -> check_write()
[gitweb.git] / builtin / rm.c
index dabfcf689068804f2b352d200b35770b467a27e8..3a0e0eaab7d1fd8a298bb2519776abede5c685e2 100644 (file)
@@ -9,7 +9,9 @@
 #include "cache-tree.h"
 #include "tree-walk.h"
 #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>..."),
@@ -36,15 +38,52 @@ static int get_ours_cache_pos(const char *path, int pos)
        return -1;
 }
 
+static void print_error_files(struct string_list *files_list,
+                             const char *main_msg,
+                             const char *hints_msg,
+                             int *errs)
+{
+       if (files_list->nr) {
+               int i;
+               struct strbuf err_msg = STRBUF_INIT;
+
+               strbuf_addstr(&err_msg, main_msg);
+               for (i = 0; i < files_list->nr; i++)
+                       strbuf_addf(&err_msg,
+                                   "\n    %s",
+                                   files_list->items[i].string);
+               if (advice_rm_hints)
+                       strbuf_addstr(&err_msg, hints_msg);
+               *errs = error("%s", err_msg.buf);
+               strbuf_release(&err_msg);
+       }
+}
+
+static void error_removing_concrete_submodules(struct string_list *files, int *errs)
+{
+       print_error_files(files,
+                         Q_("the following submodule (or one of its nested "
+                            "submodules)\n"
+                            "uses a .git directory:",
+                            "the following submodules (or one of its nested "
+                            "submodules)\n"
+                            "use a .git directory:", files->nr),
+                         _("\n(use 'rm -rf' if you really want to remove "
+                           "it including all of its history)"),
+                         errs);
+       string_list_clear(files, 0);
+}
+
 static int check_submodules_use_gitfiles(void)
 {
        int i;
        int errs = 0;
+       struct string_list files = STRING_LIST_INIT_NODUP;
 
        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));
@@ -61,12 +100,11 @@ static int check_submodules_use_gitfiles(void)
                        continue;
 
                if (!submodule_uses_gitfile(name))
-                       errs = error(_("submodule '%s' (or one of its nested "
-                                    "submodules) uses a .git directory\n"
-                                    "(use 'rm -rf' if you really want to remove "
-                                    "it including all of its history)"), name);
+                       string_list_append(&files, name);
        }
 
+       error_removing_concrete_submodules(&files, &errs);
+
        return errs;
 }
 
@@ -81,12 +119,16 @@ static int check_local_mod(unsigned char *head, int index_only)
         */
        int i, no_head;
        int errs = 0;
+       struct string_list files_staged = STRING_LIST_INIT_NODUP;
+       struct string_list files_cached = STRING_LIST_INIT_NODUP;
+       struct string_list files_submodule = STRING_LIST_INIT_NODUP;
+       struct string_list files_local = STRING_LIST_INIT_NODUP;
 
        no_head = is_null_sha1(head);
        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;
@@ -110,7 +152,7 @@ static int check_local_mod(unsigned char *head, int index_only)
                ce = active_cache[pos];
 
                if (lstat(ce->name, &st) < 0) {
-                       if (errno != ENOENT)
+                       if (errno != ENOENT && errno != ENOTDIR)
                                warning("'%s': %s", ce->name, strerror(errno));
                        /* It already vanished from the working tree */
                        continue;
@@ -171,29 +213,50 @@ static int check_local_mod(unsigned char *head, int index_only)
                 */
                if (local_changes && staged_changes) {
                        if (!index_only || !(ce->ce_flags & CE_INTENT_TO_ADD))
-                               errs = error(_("'%s' has staged content different "
-                                            "from both the file and the HEAD\n"
-                                            "(use -f to force removal)"), name);
+                               string_list_append(&files_staged, name);
                }
                else if (!index_only) {
                        if (staged_changes)
-                               errs = error(_("'%s' has changes staged in the index\n"
-                                            "(use --cached to keep the file, "
-                                            "or -f to force removal)"), name);
+                               string_list_append(&files_cached, name);
                        if (local_changes) {
                                if (S_ISGITLINK(ce->ce_mode) &&
-                                   !submodule_uses_gitfile(name)) {
-                                       errs = error(_("submodule '%s' (or one of its nested "
-                                                    "submodules) uses a .git directory\n"
-                                                    "(use 'rm -rf' if you really want to remove "
-                                                    "it including all of its history)"), name);
-                               } else
-                                       errs = error(_("'%s' has local modifications\n"
-                                                    "(use --cached to keep the file, "
-                                                    "or -f to force removal)"), name);
+                                   !submodule_uses_gitfile(name))
+                                       string_list_append(&files_submodule, name);
+                               else
+                                       string_list_append(&files_local, name);
                        }
                }
        }
+       print_error_files(&files_staged,
+                         Q_("the following file has staged content different "
+                            "from both the\nfile and the HEAD:",
+                            "the following files have staged content different"
+                            " from both the\nfile and the HEAD:",
+                            files_staged.nr),
+                         _("\n(use -f to force removal)"),
+                         &errs);
+       string_list_clear(&files_staged, 0);
+       print_error_files(&files_cached,
+                         Q_("the following file has changes "
+                            "staged in the index:",
+                            "the following files have changes "
+                            "staged in the index:", files_cached.nr),
+                         _("\n(use --cached to keep the file,"
+                           " or -f to force removal)"),
+                         &errs);
+       string_list_clear(&files_cached, 0);
+
+       error_removing_concrete_submodules(&files_submodule, &errs);
+
+       print_error_files(&files_local,
+                         Q_("the following file has local modifications:",
+                            "the following files have local modifications:",
+                            files_local.nr),
+                         _("\n(use --cached to keep the file,"
+                           " or -f to force removal)"),
+                         &errs);
+       string_list_clear(&files_local, 0);
+
        return errs;
 }
 
@@ -205,10 +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(),
 };
@@ -216,9 +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,
@@ -234,46 +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 {
@@ -281,10 +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);
        }
 
@@ -334,13 +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 {
@@ -348,9 +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. */
                                }
@@ -362,6 +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) {