merge & sequencer: turn "Conflicts:" hint into a comment
[gitweb.git] / builtin / ls-files.c
index b065061392718e4250d2c52dc3d53a0c1c7938e9..e1cf6d8547d4aa7f548fb80f0efb8f4e7b1d9c8e 100644 (file)
@@ -13,6 +13,7 @@
 #include "parse-options.h"
 #include "resolve-undo.h"
 #include "string-list.h"
+#include "pathspec.h"
 
 static int abbrev;
 static int show_deleted;
@@ -25,14 +26,17 @@ static int show_modified;
 static int show_killed;
 static int show_valid_bit;
 static int line_terminator = '\n';
+static int debug_mode;
 
+static const char *prefix;
+static int max_prefix_len;
 static int prefix_len;
-static int prefix_offset;
-static const char **pathspec;
+static struct pathspec pathspec;
 static int error_unmatch;
 static char *ps_matched;
 static const char *with_tree;
 static int exc_given;
+static int exclude_args;
 
 static const char *tag_cached = "";
 static const char *tag_unmerged = "";
@@ -43,19 +47,28 @@ static const char *tag_modified = "";
 static const char *tag_skip_worktree = "";
 static const char *tag_resolve_undo = "";
 
+static void write_name(const char *name)
+{
+       /*
+        * With "--full-name", prefix_len=0; this caller needs to pass
+        * an empty string in that case (a NULL is good for "").
+        */
+       write_name_quoted_relative(name, prefix_len ? prefix : NULL,
+                                  stdout, line_terminator);
+}
+
 static void show_dir_entry(const char *tag, struct dir_entry *ent)
 {
-       int len = prefix_len;
-       int offset = prefix_offset;
+       int len = max_prefix_len;
 
        if (len >= ent->len)
                die("git ls-files: internal error - directory entry not superset of prefix");
 
-       if (!match_pathspec(pathspec, ent->name, ent->len, len, ps_matched))
+       if (!match_pathspec_depth(&pathspec, ent->name, ent->len, len, ps_matched))
                return;
 
        fputs(tag, stdout);
-       write_name_quoted(ent->name + offset, stdout, line_terminator);
+       write_name(ent->name);
 }
 
 static void show_other_files(struct dir_struct *dir)
@@ -119,15 +132,14 @@ static void show_killed_files(struct dir_struct *dir)
        }
 }
 
-static void show_ce_entry(const char *tag, struct cache_entry *ce)
+static void show_ce_entry(const char *tag, const struct cache_entry *ce)
 {
-       int len = prefix_len;
-       int offset = prefix_offset;
+       int len = max_prefix_len;
 
        if (len >= ce_namelen(ce))
                die("git ls-files: internal error - cache entry not superset of prefix");
 
-       if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), len, ps_matched))
+       if (!match_pathspec_depth(&pathspec, ce->name, ce_namelen(ce), len, ps_matched))
                return;
 
        if (tag && *tag && show_valid_bit &&
@@ -153,63 +165,74 @@ static void show_ce_entry(const char *tag, struct cache_entry *ce)
                printf("%s%06o %s %d\t",
                       tag,
                       ce->ce_mode,
-                      abbrev ? find_unique_abbrev(ce->sha1,abbrev)
-                               : sha1_to_hex(ce->sha1),
+                      find_unique_abbrev(ce->sha1,abbrev),
                       ce_stage(ce));
        }
-       write_name_quoted(ce->name + offset, stdout, line_terminator);
+       write_name(ce->name);
+       if (debug_mode) {
+               const struct stat_data *sd = &ce->ce_stat_data;
+
+               printf("  ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
+               printf("  mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
+               printf("  dev: %d\tino: %d\n", sd->sd_dev, sd->sd_ino);
+               printf("  uid: %d\tgid: %d\n", sd->sd_uid, sd->sd_gid);
+               printf("  size: %d\tflags: %x\n", sd->sd_size, ce->ce_flags);
+       }
 }
 
-static int show_one_ru(struct string_list_item *item, void *cbdata)
+static void show_ru_info(void)
 {
-       int offset = prefix_offset;
-       const char *path = item->string;
-       struct resolve_undo_info *ui = item->util;
-       int i, len;
-
-       len = strlen(path);
-       if (len < prefix_len)
-               return 0; /* outside of the prefix */
-       if (!match_pathspec(pathspec, path, len, prefix_len, ps_matched))
-               return 0; /* uninterested */
-       for (i = 0; i < 3; i++) {
-               if (!ui->mode[i])
-                       continue;
-               printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
-                      abbrev
-                      ? find_unique_abbrev(ui->sha1[i], abbrev)
-                      : sha1_to_hex(ui->sha1[i]),
-                      i + 1);
-               write_name_quoted(path + offset, stdout, line_terminator);
+       struct string_list_item *item;
+
+       if (!the_index.resolve_undo)
+               return;
+
+       for_each_string_list_item(item, the_index.resolve_undo) {
+               const char *path = item->string;
+               struct resolve_undo_info *ui = item->util;
+               int i, len;
+
+               len = strlen(path);
+               if (len < max_prefix_len)
+                       continue; /* outside of the prefix */
+               if (!match_pathspec_depth(&pathspec, path, len, max_prefix_len, ps_matched))
+                       continue; /* uninterested */
+               for (i = 0; i < 3; i++) {
+                       if (!ui->mode[i])
+                               continue;
+                       printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
+                              find_unique_abbrev(ui->sha1[i], abbrev),
+                              i + 1);
+                       write_name(path);
+               }
        }
-       return 0;
 }
 
-static void show_ru_info(const char *prefix)
+static int ce_excluded(struct dir_struct *dir, const struct cache_entry *ce)
 {
-       if (!the_index.resolve_undo)
-               return;
-       for_each_string_list(show_one_ru, the_index.resolve_undo, NULL);
+       int dtype = ce_to_dtype(ce);
+       return is_excluded(dir, ce->name, &dtype);
 }
 
-static void show_files(struct dir_struct *dir, const char *prefix)
+static void show_files(struct dir_struct *dir)
 {
        int i;
 
        /* For cached/deleted files we don't need to even do the readdir */
        if (show_others || show_killed) {
-               fill_directory(dir, pathspec);
+               if (!show_others)
+                       dir->flags |= DIR_COLLECT_KILLED_ONLY;
+               fill_directory(dir, &pathspec);
                if (show_others)
                        show_other_files(dir);
                if (show_killed)
                        show_killed_files(dir);
        }
-       if (show_cached | show_stage) {
+       if (show_cached || show_stage) {
                for (i = 0; i < active_nr; i++) {
-                       struct cache_entry *ce = active_cache[i];
-                       int dtype = ce_to_dtype(ce);
-                       if (dir->flags & DIR_SHOW_IGNORED &&
-                           !excluded(dir, ce->name, &dtype))
+                       const struct cache_entry *ce = active_cache[i];
+                       if ((dir->flags & DIR_SHOW_IGNORED) &&
+                           !ce_excluded(dir, ce))
                                continue;
                        if (show_unmerged && !ce_stage(ce))
                                continue;
@@ -219,14 +242,13 @@ static void show_files(struct dir_struct *dir, const char *prefix)
                                (ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached), ce);
                }
        }
-       if (show_deleted | show_modified) {
+       if (show_deleted || show_modified) {
                for (i = 0; i < active_nr; i++) {
-                       struct cache_entry *ce = active_cache[i];
+                       const struct cache_entry *ce = active_cache[i];
                        struct stat st;
                        int err;
-                       int dtype = ce_to_dtype(ce);
-                       if (dir->flags & DIR_SHOW_IGNORED &&
-                           !excluded(dir, ce->name, &dtype))
+                       if ((dir->flags & DIR_SHOW_IGNORED) &&
+                           !ce_excluded(dir, ce))
                                continue;
                        if (ce->ce_flags & CE_UPDATE)
                                continue;
@@ -246,7 +268,7 @@ static void show_files(struct dir_struct *dir, const char *prefix)
  */
 static void prune_cache(const char *prefix)
 {
-       int pos = cache_name_pos(prefix, prefix_len);
+       int pos = cache_name_pos(prefix, max_prefix_len);
        unsigned int first, last;
 
        if (pos < 0)
@@ -258,8 +280,8 @@ static void prune_cache(const char *prefix)
        last = active_nr;
        while (last > first) {
                int next = (last + first) >> 1;
-               struct cache_entry *ce = active_cache[next];
-               if (!strncmp(ce->name, prefix, prefix_len)) {
+               const struct cache_entry *ce = active_cache[next];
+               if (!strncmp(ce->name, prefix, max_prefix_len)) {
                        first = next+1;
                        continue;
                }
@@ -268,54 +290,6 @@ static void prune_cache(const char *prefix)
        active_nr = last;
 }
 
-static const char *verify_pathspec(const char *prefix)
-{
-       const char **p, *n, *prev;
-       unsigned long max;
-
-       prev = NULL;
-       max = PATH_MAX;
-       for (p = pathspec; (n = *p) != NULL; p++) {
-               int i, len = 0;
-               for (i = 0; i < max; i++) {
-                       char c = n[i];
-                       if (prev && prev[i] != c)
-                               break;
-                       if (!c || c == '*' || c == '?')
-                               break;
-                       if (c == '/')
-                               len = i+1;
-               }
-               prev = n;
-               if (len < max) {
-                       max = len;
-                       if (!max)
-                               break;
-               }
-       }
-
-       if (prefix_offset > max || memcmp(prev, prefix, prefix_offset))
-               die("git ls-files: cannot generate relative filenames containing '..'");
-
-       prefix_len = max;
-       return max ? xmemdupz(prev, max) : NULL;
-}
-
-static void strip_trailing_slash_from_submodules(void)
-{
-       const char **p;
-
-       for (p = pathspec; *p != NULL; p++) {
-               int len = strlen(*p), pos;
-
-               if (len < 1 || (*p)[len - 1] != '/')
-                       continue;
-               pos = cache_name_pos(*p, len - 1);
-               if (pos >= 0 && S_ISGITLINK(active_cache[pos]->ce_mode))
-                       *p = xstrndup(*p, len - 1);
-       }
-}
-
 /*
  * Read the tree specified with --with-tree option
  * (typically, HEAD) into stage #1 and then
@@ -328,7 +302,7 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix)
 {
        struct tree *tree;
        unsigned char sha1[20];
-       const char **match;
+       struct pathspec pathspec;
        struct cache_entry *last_stage0 = NULL;
        int i;
 
@@ -347,13 +321,13 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix)
        }
 
        if (prefix) {
-               static const char *(matchbuf[2]);
-               matchbuf[0] = prefix;
-               matchbuf[1] = NULL;
-               match = matchbuf;
+               static const char *(matchbuf[1]);
+               matchbuf[0] = NULL;
+               parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC,
+                              PATHSPEC_PREFER_CWD, prefix, matchbuf);
        } else
-               match = NULL;
-       if (read_tree(tree, 1, match))
+               memset(&pathspec, 0, sizeof(pathspec));
+       if (read_tree(tree, 1, &pathspec))
                die("unable to read tree entries %s", tree_name);
 
        for (i = 0; i < active_nr; i++) {
@@ -377,13 +351,16 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix)
        }
 }
 
-int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset)
+int report_path_error(const char *ps_matched,
+                     const struct pathspec *pathspec,
+                     const char *prefix)
 {
        /*
         * Make sure all pathspec matched; otherwise it is an error.
         */
+       struct strbuf sb = STRBUF_INIT;
        int num, errors = 0;
-       for (num = 0; pathspec[num]; num++) {
+       for (num = 0; num < pathspec->nr; num++) {
                int other, found_dup;
 
                if (ps_matched[num])
@@ -391,13 +368,16 @@ int report_path_error(const char *ps_matched, const char **pathspec, int prefix_
                /*
                 * The caller might have fed identical pathspec
                 * twice.  Do not barf on such a mistake.
+                * FIXME: parse_pathspec should have eliminated
+                * duplicate pathspec.
                 */
                for (found_dup = other = 0;
-                    !found_dup && pathspec[other];
+                    !found_dup && other < pathspec->nr;
                     other++) {
                        if (other == num || !ps_matched[other])
                                continue;
-                       if (!strcmp(pathspec[other], pathspec[num]))
+                       if (!strcmp(pathspec->items[other].original,
+                                   pathspec->items[num].original))
                                /*
                                 * Ok, we have a match already.
                                 */
@@ -407,14 +387,15 @@ int report_path_error(const char *ps_matched, const char **pathspec, int prefix_
                        continue;
 
                error("pathspec '%s' did not match any file(s) known to git.",
-                     pathspec[num] + prefix_offset);
+                     pathspec->items[num].original);
                errors++;
        }
+       strbuf_release(&sb);
        return errors;
 }
 
 static const char * const ls_files_usage[] = {
-       "git ls-files [options] [<file>]*",
+       N_("git ls-files [options] [<file>...]"),
        NULL
 };
 
@@ -429,10 +410,10 @@ static int option_parse_z(const struct option *opt,
 static int option_parse_exclude(const struct option *opt,
                                const char *arg, int unset)
 {
-       struct exclude_list *list = opt->value;
+       struct string_list *exclude_list = opt->value;
 
        exc_given = 1;
-       add_exclude(arg, "", 0, list);
+       string_list_append(exclude_list, arg);
 
        return 0;
 }
@@ -459,68 +440,76 @@ static int option_parse_exclude_standard(const struct option *opt,
        return 0;
 }
 
-int cmd_ls_files(int argc, const char **argv, const char *prefix)
+int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 {
-       int require_work_tree = 0, show_tag = 0;
+       int require_work_tree = 0, show_tag = 0, i;
+       const char *max_prefix;
        struct dir_struct dir;
+       struct exclude_list *el;
+       struct string_list exclude_list = STRING_LIST_INIT_NODUP;
        struct option builtin_ls_files_options[] = {
                { OPTION_CALLBACK, 'z', NULL, NULL, NULL,
-                       "paths are separated with NUL character",
+                       N_("paths are separated with NUL character"),
                        PARSE_OPT_NOARG, option_parse_z },
-               OPT_BOOLEAN('t', NULL, &show_tag,
-                       "identify the file status with tags"),
-               OPT_BOOLEAN('v', NULL, &show_valid_bit,
-                       "use lowercase letters for 'assume unchanged' files"),
-               OPT_BOOLEAN('c', "cached", &show_cached,
-                       "show cached files in the output (default)"),
-               OPT_BOOLEAN('d', "deleted", &show_deleted,
-                       "show deleted files in the output"),
-               OPT_BOOLEAN('m', "modified", &show_modified,
-                       "show modified files in the output"),
-               OPT_BOOLEAN('o', "others", &show_others,
-                       "show other files in the output"),
+               OPT_BOOL('t', NULL, &show_tag,
+                       N_("identify the file status with tags")),
+               OPT_BOOL('v', NULL, &show_valid_bit,
+                       N_("use lowercase letters for 'assume unchanged' files")),
+               OPT_BOOL('c', "cached", &show_cached,
+                       N_("show cached files in the output (default)")),
+               OPT_BOOL('d', "deleted", &show_deleted,
+                       N_("show deleted files in the output")),
+               OPT_BOOL('m', "modified", &show_modified,
+                       N_("show modified files in the output")),
+               OPT_BOOL('o', "others", &show_others,
+                       N_("show other files in the output")),
                OPT_BIT('i', "ignored", &dir.flags,
-                       "show ignored files in the output",
+                       N_("show ignored files in the output"),
                        DIR_SHOW_IGNORED),
-               OPT_BOOLEAN('s', "stage", &show_stage,
-                       "show staged contents' object name in the output"),
-               OPT_BOOLEAN('k', "killed", &show_killed,
-                       "show files on the filesystem that need to be removed"),
+               OPT_BOOL('s', "stage", &show_stage,
+                       N_("show staged contents' object name in the output")),
+               OPT_BOOL('k', "killed", &show_killed,
+                       N_("show files on the filesystem that need to be removed")),
                OPT_BIT(0, "directory", &dir.flags,
-                       "show 'other' directories' name only",
+                       N_("show 'other' directories' name only"),
                        DIR_SHOW_OTHER_DIRECTORIES),
                OPT_NEGBIT(0, "empty-directory", &dir.flags,
-                       "don't show empty directories",
+                       N_("don't show empty directories"),
                        DIR_HIDE_EMPTY_DIRECTORIES),
-               OPT_BOOLEAN('u', "unmerged", &show_unmerged,
-                       "show unmerged files in the output"),
-               OPT_BOOLEAN(0, "resolve-undo", &show_resolve_undo,
-                           "show resolve-undo information"),
-               { OPTION_CALLBACK, 'x', "exclude", &dir.exclude_list[EXC_CMDL], "pattern",
-                       "skip files matching pattern",
+               OPT_BOOL('u', "unmerged", &show_unmerged,
+                       N_("show unmerged files in the output")),
+               OPT_BOOL(0, "resolve-undo", &show_resolve_undo,
+                           N_("show resolve-undo information")),
+               { OPTION_CALLBACK, 'x', "exclude", &exclude_list, N_("pattern"),
+                       N_("skip files matching pattern"),
                        0, option_parse_exclude },
-               { OPTION_CALLBACK, 'X', "exclude-from", &dir, "file",
-                       "exclude patterns are read from <file>",
+               { OPTION_CALLBACK, 'X', "exclude-from", &dir, N_("file"),
+                       N_("exclude patterns are read from <file>"),
                        0, option_parse_exclude_from },
-               OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, "file",
-                       "read additional per-directory exclude patterns in <file>"),
+               OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, N_("file"),
+                       N_("read additional per-directory exclude patterns in <file>")),
                { OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
-                       "add the standard git exclusions",
+                       N_("add the standard git exclusions"),
                        PARSE_OPT_NOARG, option_parse_exclude_standard },
-               { OPTION_SET_INT, 0, "full-name", &prefix_offset, NULL,
-                       "make the output relative to the project top directory",
+               { OPTION_SET_INT, 0, "full-name", &prefix_len, NULL,
+                       N_("make the output relative to the project top directory"),
                        PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL },
-               OPT_BOOLEAN(0, "error-unmatch", &error_unmatch,
-                       "if any <file> is not in the index, treat this as an error"),
-               OPT_STRING(0, "with-tree", &with_tree, "tree-ish",
-                       "pretend that paths removed since <tree-ish> are still present"),
+               OPT_BOOL(0, "error-unmatch", &error_unmatch,
+                       N_("if any <file> is not in the index, treat this as an error")),
+               OPT_STRING(0, "with-tree", &with_tree, N_("tree-ish"),
+                       N_("pretend that paths removed since <tree-ish> are still present")),
                OPT__ABBREV(&abbrev),
+               OPT_BOOL(0, "debug", &debug_mode, N_("show debugging data")),
                OPT_END()
        };
 
+       if (argc == 2 && !strcmp(argv[1], "-h"))
+               usage_with_options(ls_files_usage, builtin_ls_files_options);
+
        memset(&dir, 0, sizeof(dir));
+       prefix = cmd_prefix;
        if (prefix)
-               prefix_offset = strlen(prefix);
+               prefix_len = strlen(prefix);
        git_config(git_default_config, NULL);
 
        if (read_cache() < 0)
@@ -528,6 +517,10 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
 
        argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
                        ls_files_usage, 0);
+       el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
+       for (i = 0; i < exclude_list.nr; i++) {
+               add_exclude(exclude_list.items[i].string, "", 0, el, --exclude_args);
+       }
        if (show_tag || show_valid_bit) {
                tag_cached = "H ";
                tag_unmerged = "M ";
@@ -552,34 +545,29 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
        if (require_work_tree && !is_inside_work_tree())
                setup_work_tree();
 
-       pathspec = get_pathspec(prefix, argv);
-
-       /* be nice with submodule paths ending in a slash */
-       if (pathspec)
-               strip_trailing_slash_from_submodules();
+       parse_pathspec(&pathspec, 0,
+                      PATHSPEC_PREFER_CWD |
+                      PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
+                      prefix, argv);
 
-       /* Verify that the pathspec matches the prefix */
-       if (pathspec)
-               prefix = verify_pathspec(prefix);
+       /* Find common prefix for all pathspec's */
+       max_prefix = common_prefix(&pathspec);
+       max_prefix_len = max_prefix ? strlen(max_prefix) : 0;
 
        /* Treat unmatching pathspec elements as errors */
-       if (pathspec && error_unmatch) {
-               int num;
-               for (num = 0; pathspec[num]; num++)
-                       ;
-               ps_matched = xcalloc(1, num);
-       }
+       if (pathspec.nr && error_unmatch)
+               ps_matched = xcalloc(1, pathspec.nr);
 
        if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
                die("ls-files --ignored needs some exclude pattern");
 
        /* With no flags, we default to showing the cached files */
-       if (!(show_stage | show_deleted | show_others | show_unmerged |
-             show_killed | show_modified | show_resolve_undo))
+       if (!(show_stage || show_deleted || show_others || show_unmerged ||
+             show_killed || show_modified || show_resolve_undo))
                show_cached = 1;
 
-       if (prefix)
-               prune_cache(prefix);
+       if (max_prefix)
+               prune_cache(max_prefix);
        if (with_tree) {
                /*
                 * Basic sanity check; show-stages and show-unmerged
@@ -587,15 +575,15 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
                 */
                if (show_stage || show_unmerged)
                        die("ls-files --with-tree is incompatible with -s or -u");
-               overlay_tree_on_cache(with_tree, prefix);
+               overlay_tree_on_cache(with_tree, max_prefix);
        }
-       show_files(&dir, prefix);
+       show_files(&dir);
        if (show_resolve_undo)
-               show_ru_info(prefix);
+               show_ru_info();
 
        if (ps_matched) {
                int bad;
-               bad = report_path_error(ps_matched, pathspec, prefix_offset);
+               bad = report_path_error(ps_matched, &pathspec, prefix);
                if (bad)
                        fprintf(stderr, "Did you forget to 'git add'?\n");