Git 2.23
[gitweb.git] / builtin / clean.c
index d6bc3aaaea0dfdbac2386d54f4ff2d25dbccf7e6..d5579da716e06f372132f827852b0f49f1e4af1d 100644 (file)
@@ -6,8 +6,10 @@
  * Based on git-clean.sh by Pavel Roskin
  */
 
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
 #include "builtin.h"
 #include "cache.h"
+#include "config.h"
 #include "dir.h"
 #include "parse-options.h"
 #include "string-list.h"
@@ -15,6 +17,7 @@
 #include "column.h"
 #include "color.h"
 #include "pathspec.h"
+#include "help.h"
 
 static int force = -1; /* unset */
 static int interactive;
@@ -31,16 +34,8 @@ static const char *msg_would_remove = N_("Would remove %s\n");
 static const char *msg_skip_git_dir = N_("Skipping repository %s\n");
 static const char *msg_would_skip_git_dir = N_("Would skip repository %s\n");
 static const char *msg_warn_remove_failed = N_("failed to remove %s");
+static const char *msg_warn_lstat_failed = N_("could not lstat %s\n");
 
-static int clean_use_color = -1;
-static char clean_colors[][COLOR_MAXLEN] = {
-       GIT_COLOR_RESET,
-       GIT_COLOR_NORMAL,       /* PLAIN */
-       GIT_COLOR_BOLD_BLUE,    /* PROMPT */
-       GIT_COLOR_BOLD,         /* HEADER */
-       GIT_COLOR_BOLD_RED,     /* HELP */
-       GIT_COLOR_BOLD_RED,     /* ERROR */
-};
 enum color_clean {
        CLEAN_COLOR_RESET = 0,
        CLEAN_COLOR_PLAIN = 1,
@@ -50,6 +45,25 @@ enum color_clean {
        CLEAN_COLOR_ERROR = 5
 };
 
+static const char *color_interactive_slots[] = {
+       [CLEAN_COLOR_ERROR]  = "error",
+       [CLEAN_COLOR_HEADER] = "header",
+       [CLEAN_COLOR_HELP]   = "help",
+       [CLEAN_COLOR_PLAIN]  = "plain",
+       [CLEAN_COLOR_PROMPT] = "prompt",
+       [CLEAN_COLOR_RESET]  = "reset",
+};
+
+static int clean_use_color = -1;
+static char clean_colors[][COLOR_MAXLEN] = {
+       [CLEAN_COLOR_ERROR] = GIT_COLOR_BOLD_RED,
+       [CLEAN_COLOR_HEADER] = GIT_COLOR_BOLD,
+       [CLEAN_COLOR_HELP] = GIT_COLOR_BOLD_RED,
+       [CLEAN_COLOR_PLAIN] = GIT_COLOR_NORMAL,
+       [CLEAN_COLOR_PROMPT] = GIT_COLOR_BOLD_BLUE,
+       [CLEAN_COLOR_RESET] = GIT_COLOR_RESET,
+};
+
 #define MENU_OPTS_SINGLETON            01
 #define MENU_OPTS_IMMEDIATE            02
 #define MENU_OPTS_LIST_ONLY            04
@@ -80,22 +94,7 @@ struct menu_stuff {
        void *stuff;
 };
 
-static int parse_clean_color_slot(const char *var)
-{
-       if (!strcasecmp(var, "reset"))
-               return CLEAN_COLOR_RESET;
-       if (!strcasecmp(var, "plain"))
-               return CLEAN_COLOR_PLAIN;
-       if (!strcasecmp(var, "prompt"))
-               return CLEAN_COLOR_PROMPT;
-       if (!strcasecmp(var, "header"))
-               return CLEAN_COLOR_HEADER;
-       if (!strcasecmp(var, "help"))
-               return CLEAN_COLOR_HELP;
-       if (!strcasecmp(var, "error"))
-               return CLEAN_COLOR_ERROR;
-       return -1;
-}
+define_list_config_array(color_interactive_slots);
 
 static int git_clean_config(const char *var, const char *value, void *cb)
 {
@@ -111,7 +110,7 @@ static int git_clean_config(const char *var, const char *value, void *cb)
                return 0;
        }
        if (skip_prefix(var, "color.interactive.", &slot_name)) {
-               int slot = parse_clean_color_slot(slot_name);
+               int slot = LOOKUP_CONFIG(color_interactive_slots, slot_name);
                if (slot < 0)
                        return 0;
                if (!value)
@@ -143,6 +142,7 @@ static void clean_print_color(enum color_clean ix)
 static int exclude_cb(const struct option *opt, const char *arg, int unset)
 {
        struct string_list *exclude_list = opt->value;
+       BUG_ON_OPT_NEG(unset);
        string_list_append(exclude_list, arg);
        return 0;
 }
@@ -166,7 +166,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
                }
 
                *dir_gone = 0;
-               return 0;
+               goto out;
        }
 
        dir = opendir(path->buf);
@@ -174,11 +174,14 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
                /* an empty dir could be removed even if it is unreadble */
                res = dry_run ? 0 : rmdir(path->buf);
                if (res) {
+                       int saved_errno = errno;
                        quote_path_relative(path->buf, prefix, &quoted);
-                       warning(_(msg_warn_remove_failed), quoted.buf);
+                       errno = saved_errno;
+                       warning_errno(_(msg_warn_remove_failed), quoted.buf);
                        *dir_gone = 0;
                }
-               return res;
+               ret = res;
+               goto out;
        }
 
        strbuf_complete(path, '/');
@@ -192,7 +195,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
                strbuf_setlen(path, len);
                strbuf_addstr(path, e->d_name);
                if (lstat(path->buf, &st))
-                       ; /* fall thru */
+                       warning_errno(_(msg_warn_lstat_failed), path->buf);
                else if (S_ISDIR(st.st_mode)) {
                        if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
                                ret = 1;
@@ -208,8 +211,10 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
                                quote_path_relative(path->buf, prefix, &quoted);
                                string_list_append(&dels, quoted.buf);
                        } else {
+                               int saved_errno = errno;
                                quote_path_relative(path->buf, prefix, &quoted);
-                               warning(_(msg_warn_remove_failed), quoted.buf);
+                               errno = saved_errno;
+                               warning_errno(_(msg_warn_remove_failed), quoted.buf);
                                *dir_gone = 0;
                                ret = 1;
                        }
@@ -230,8 +235,10 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
                if (!res)
                        *dir_gone = 1;
                else {
+                       int saved_errno = errno;
                        quote_path_relative(path->buf, prefix, &quoted);
-                       warning(_(msg_warn_remove_failed), quoted.buf);
+                       errno = saved_errno;
+                       warning_errno(_(msg_warn_remove_failed), quoted.buf);
                        *dir_gone = 0;
                        ret = 1;
                }
@@ -242,6 +249,8 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
                for (i = 0; i < dels.nr; i++)
                        printf(dry_run ?  _(msg_would_remove) : _(msg_remove), dels.items[i].string);
        }
+out:
+       strbuf_release(&quoted);
        string_list_clear(&dels, 0);
        return ret;
 }
@@ -677,7 +686,7 @@ static int filter_by_patterns_cmd(void)
                for_each_string_list_item(item, &del_list) {
                        int dtype = DT_UNKNOWN;
 
-                       if (is_excluded(&dir, item->string, &dtype)) {
+                       if (is_excluded(&dir, &the_index, item->string, &dtype)) {
                                *item->string = '\0';
                                changed++;
                        }
@@ -831,8 +840,7 @@ static void interactive_main_loop(void)
                        int ret;
                        ret = menus[*chosen].fn();
                        if (ret != MENU_RETURN_NO_LOOP) {
-                               free(chosen);
-                               chosen = NULL;
+                               FREE_AND_NULL(chosen);
                                if (!del_list.nr) {
                                        clean_print_color(CLEAN_COLOR_ERROR);
                                        printf_ln(_("No more files to clean, exiting."));
@@ -845,12 +853,43 @@ static void interactive_main_loop(void)
                        quit_cmd();
                }
 
-               free(chosen);
-               chosen = NULL;
+               FREE_AND_NULL(chosen);
                break;
        }
 }
 
+static void correct_untracked_entries(struct dir_struct *dir)
+{
+       int src, dst, ign;
+
+       for (src = dst = ign = 0; src < dir->nr; src++) {
+               /* skip paths in ignored[] that cannot be inside entries[src] */
+               while (ign < dir->ignored_nr &&
+                      0 <= cmp_dir_entry(&dir->entries[src], &dir->ignored[ign]))
+                       ign++;
+
+               if (ign < dir->ignored_nr &&
+                   check_dir_entry_contains(dir->entries[src], dir->ignored[ign])) {
+                       /* entries[src] contains an ignored path, so we drop it */
+                       free(dir->entries[src]);
+               } else {
+                       struct dir_entry *ent = dir->entries[src++];
+
+                       /* entries[src] does not contain an ignored path, so we keep it */
+                       dir->entries[dst++] = ent;
+
+                       /* then discard paths in entries[] contained inside entries[src] */
+                       while (src < dir->nr &&
+                              check_dir_entry_contains(ent, dir->entries[src]))
+                               free(dir->entries[src++]);
+
+                       /* compensate for the outer loop's loop control */
+                       src--;
+               }
+       }
+       dir->nr = dst;
+}
+
 int cmd_clean(int argc, const char **argv, const char *prefix)
 {
        int i, res;
@@ -868,7 +907,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
        struct option options[] = {
                OPT__QUIET(&quiet, N_("do not print names of files removed")),
                OPT__DRY_RUN(&dry_run, N_("dry run")),
-               OPT__FORCE(&force, N_("force")),
+               OPT__FORCE(&force, N_("force"), PARSE_OPT_NOCOMPLETE),
                OPT_BOOL('i', "interactive", &interactive, N_("interactive cleaning")),
                OPT_BOOL('d', NULL, &remove_directories,
                                N_("remove whole directories")),
@@ -910,6 +949,9 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
 
        dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
 
+       if (remove_directories)
+               dir.flags |= DIR_SHOW_IGNORED_TOO | DIR_KEEP_UNTRACKED_CONTENTS;
+
        if (read_cache() < 0)
                die(_("index file corrupt"));
 
@@ -924,7 +966,8 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                       PATHSPEC_PREFER_CWD,
                       prefix, argv);
 
-       fill_directory(&dir, &pathspec);
+       fill_directory(&dir, &the_index, &pathspec);
+       correct_untracked_entries(&dir);
 
        for (i = 0; i < dir.nr; i++) {
                struct dir_entry *ent = dir.entries[i];
@@ -936,7 +979,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                        continue;
 
                if (pathspec.nr)
-                       matches = dir_path_match(ent, &pathspec, 0, NULL);
+                       matches = dir_path_match(&the_index, ent, &pathspec, 0, NULL);
 
                if (pathspec.nr && !matches)
                        continue;
@@ -952,6 +995,12 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                string_list_append(&del_list, rel);
        }
 
+       for (i = 0; i < dir.nr; i++)
+               free(dir.entries[i]);
+
+       for (i = 0; i < dir.ignored_nr; i++)
+               free(dir.ignored[i]);
+
        if (interactive && del_list.nr > 0)
                interactive_main_loop();
 
@@ -981,8 +1030,10 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                } else {
                        res = dry_run ? 0 : unlink(abs_path.buf);
                        if (res) {
+                               int saved_errno = errno;
                                qname = quote_path_relative(item->string, NULL, &buf);
-                               warning(_(msg_warn_remove_failed), qname);
+                               errno = saved_errno;
+                               warning_errno(_(msg_warn_remove_failed), qname);
                                errors++;
                        } else if (!quiet) {
                                qname = quote_path_relative(item->string, NULL, &buf);