Git 2.23
[gitweb.git] / builtin / ls-files.c
index b1626b13b43f3a69b35bc242c30a28b51a855306..670e8fb93c9320686410cabb8938a106be8e8158 100644 (file)
@@ -6,6 +6,8 @@
  * Copyright (C) Linus Torvalds, 2005
  */
 #include "cache.h"
+#include "repository.h"
+#include "config.h"
 #include "quote.h"
 #include "dir.h"
 #include "builtin.h"
@@ -16,6 +18,7 @@
 #include "pathspec.h"
 #include "run-command.h"
 #include "submodule.h"
+#include "submodule-config.h"
 
 static int abbrev;
 static int show_deleted;
@@ -27,14 +30,13 @@ static int show_resolve_undo;
 static int show_modified;
 static int show_killed;
 static int show_valid_bit;
+static int show_fsmonitor_bit;
 static int line_terminator = '\n';
 static int debug_mode;
 static int show_eol;
 static int recurse_submodules;
-static struct argv_array submodule_options = ARGV_ARRAY_INIT;
 
 static const char *prefix;
-static const char *super_prefix;
 static int max_prefix_len;
 static int prefix_len;
 static struct pathspec pathspec;
@@ -60,7 +62,7 @@ static void write_eolinfo(const struct index_state *istate,
                struct stat st;
                const char *i_txt = "";
                const char *w_txt = "";
-               const char *a_txt = get_convert_attr_ascii(path);
+               const char *a_txt = get_convert_attr_ascii(istate, path);
                if (ce && S_ISREG(ce->ce_mode))
                        i_txt = get_cached_convert_stats_ascii(istate,
                                                               ce->name);
@@ -72,39 +74,65 @@ static void write_eolinfo(const struct index_state *istate,
 
 static void write_name(const char *name)
 {
-       /*
-        * Prepend the super_prefix to name to construct the full_name to be
-        * written.
-        */
-       struct strbuf full_name = STRBUF_INIT;
-       if (super_prefix) {
-               strbuf_addstr(&full_name, super_prefix);
-               strbuf_addstr(&full_name, name);
-               name = full_name.buf;
-       }
-
        /*
         * 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 const char *get_tag(const struct cache_entry *ce, const char *tag)
+{
+       static char alttag[4];
+
+       if (tag && *tag && ((show_valid_bit && (ce->ce_flags & CE_VALID)) ||
+               (show_fsmonitor_bit && (ce->ce_flags & CE_FSMONITOR_VALID)))) {
+               memcpy(alttag, tag, 3);
+
+               if (isalpha(tag[0])) {
+                       alttag[0] = tolower(tag[0]);
+               } else if (tag[0] == '?') {
+                       alttag[0] = '!';
+               } else {
+                       alttag[0] = 'v';
+                       alttag[1] = tag[0];
+                       alttag[2] = ' ';
+                       alttag[3] = 0;
+               }
+
+               tag = alttag;
+       }
 
-       strbuf_release(&full_name);
+       return tag;
 }
 
-static void show_dir_entry(const char *tag, struct dir_entry *ent)
+static void print_debug(const struct cache_entry *ce)
+{
+       if (debug_mode) {
+               const struct stat_data *sd = &ce->ce_stat_data;
+
+               printf("  ctime: %u:%u\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
+               printf("  mtime: %u:%u\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
+               printf("  dev: %u\tino: %u\n", sd->sd_dev, sd->sd_ino);
+               printf("  uid: %u\tgid: %u\n", sd->sd_uid, sd->sd_gid);
+               printf("  size: %u\tflags: %x\n", sd->sd_size, ce->ce_flags);
+       }
+}
+
+static void show_dir_entry(const struct index_state *istate,
+                          const char *tag, struct dir_entry *ent)
 {
        int len = max_prefix_len;
 
        if (len > ent->len)
                die("git ls-files: internal error - directory entry not superset of prefix");
 
-       if (!dir_path_match(ent, &pathspec, len, ps_matched))
+       if (!dir_path_match(istate, ent, &pathspec, len, ps_matched))
                return;
 
        fputs(tag, stdout);
-       write_eolinfo(NULL, NULL, ent->name);
+       write_eolinfo(istate, NULL, ent->name);
        write_name(ent->name);
 }
 
@@ -117,7 +145,7 @@ static void show_other_files(const struct index_state *istate,
                struct dir_entry *ent = dir->entries[i];
                if (!index_name_is_other(istate, ent->name, ent->len))
                        continue;
-               show_dir_entry(tag_other, ent);
+               show_dir_entry(istate, tag_other, ent);
        }
 }
 
@@ -138,7 +166,7 @@ static void show_killed_files(const struct index_state *istate,
                                 */
                                pos = index_name_pos(istate, ent->name, ent->len);
                                if (0 <= pos)
-                                       die("BUG: killed-file %.*s not found",
+                                       BUG("killed-file %.*s not found",
                                                ent->len, ent->name);
                                pos = -pos - 1;
                                while (pos < istate->cache_nr &&
@@ -168,104 +196,45 @@ static void show_killed_files(const struct index_state *istate,
                        }
                }
                if (killed)
-                       show_dir_entry(tag_killed, dir->entries[i]);
+                       show_dir_entry(istate, tag_killed, dir->entries[i]);
        }
 }
 
-/*
- * Compile an argv_array with all of the options supported by --recurse_submodules
- */
-static void compile_submodule_options(const char **argv,
-                                     const struct dir_struct *dir,
-                                     int show_tag)
-{
-       if (line_terminator == '\0')
-               argv_array_push(&submodule_options, "-z");
-       if (show_tag)
-               argv_array_push(&submodule_options, "-t");
-       if (show_valid_bit)
-               argv_array_push(&submodule_options, "-v");
-       if (show_cached)
-               argv_array_push(&submodule_options, "--cached");
-       if (show_eol)
-               argv_array_push(&submodule_options, "--eol");
-       if (debug_mode)
-               argv_array_push(&submodule_options, "--debug");
-
-       /* Add Pathspecs */
-       argv_array_push(&submodule_options, "--");
-       for (; *argv; argv++)
-               argv_array_push(&submodule_options, *argv);
-}
+static void show_files(struct repository *repo, struct dir_struct *dir);
 
-/**
- * Recursively call ls-files on a submodule
- */
-static void show_gitlink(const struct cache_entry *ce)
+static void show_submodule(struct repository *superproject,
+                          struct dir_struct *dir, const char *path)
 {
-       struct child_process cp = CHILD_PROCESS_INIT;
-       int status;
-       char *dir;
-
-       prepare_submodule_repo_env(&cp.env_array);
-       argv_array_push(&cp.env_array, GIT_DIR_ENVIRONMENT);
-
-       if (prefix_len)
-               argv_array_pushf(&cp.env_array, "%s=%s",
-                                GIT_TOPLEVEL_PREFIX_ENVIRONMENT,
-                                prefix);
-       argv_array_pushf(&cp.args, "--super-prefix=%s%s/",
-                        super_prefix ? super_prefix : "",
-                        ce->name);
-       argv_array_push(&cp.args, "ls-files");
-       argv_array_push(&cp.args, "--recurse-submodules");
-
-       /* add supported options */
-       argv_array_pushv(&cp.args, submodule_options.argv);
-
-       cp.git_cmd = 1;
-       dir = mkpathdup("%s/%s", get_git_work_tree(), ce->name);
-       cp.dir = dir;
-       status = run_command(&cp);
-       free(dir);
-       if (status)
-               exit(status);
+       struct repository subrepo;
+       const struct submodule *sub = submodule_from_path(superproject,
+                                                         &null_oid, path);
+
+       if (repo_submodule_init(&subrepo, superproject, sub))
+               return;
+
+       if (repo_read_index(&subrepo) < 0)
+               die("index file corrupt");
+
+       show_files(&subrepo, dir);
+
+       repo_clear(&subrepo);
 }
 
-static void show_ce_entry(const char *tag, const struct cache_entry *ce)
+static void show_ce(struct repository *repo, struct dir_struct *dir,
+                   const struct cache_entry *ce, const char *fullname,
+                   const char *tag)
 {
-       struct strbuf name = STRBUF_INIT;
-       int len = max_prefix_len;
-       if (super_prefix)
-               strbuf_addstr(&name, super_prefix);
-       strbuf_addstr(&name, ce->name);
-
-       if (len > ce_namelen(ce))
+       if (max_prefix_len > strlen(fullname))
                die("git ls-files: internal error - cache entry not superset of prefix");
 
        if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
-           submodule_path_match(&pathspec, name.buf, ps_matched)) {
-               show_gitlink(ce);
-       } else if (match_pathspec(&pathspec, name.buf, name.len,
-                                 len, ps_matched,
+           is_submodule_active(repo, ce->name)) {
+               show_submodule(repo, dir, ce->name);
+       } else if (match_pathspec(repo->index, &pathspec, fullname, strlen(fullname),
+                                 max_prefix_len, ps_matched,
                                  S_ISDIR(ce->ce_mode) ||
                                  S_ISGITLINK(ce->ce_mode))) {
-               if (tag && *tag && show_valid_bit &&
-                   (ce->ce_flags & CE_VALID)) {
-                       static char alttag[4];
-                       memcpy(alttag, tag, 3);
-                       if (isalpha(tag[0]))
-                               alttag[0] = tolower(tag[0]);
-                       else if (tag[0] == '?')
-                               alttag[0] = '!';
-                       else {
-                               alttag[0] = 'v';
-                               alttag[1] = tag[0];
-                               alttag[2] = ' ';
-                               alttag[3] = 0;
-                       }
-                       tag = alttag;
-               }
+               tag = get_tag(ce, tag);
 
                if (!show_stage) {
                        fputs(tag, stdout);
@@ -273,23 +242,13 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce)
                        printf("%s%06o %s %d\t",
                               tag,
                               ce->ce_mode,
-                              find_unique_abbrev(ce->oid.hash, abbrev),
+                              find_unique_abbrev(&ce->oid, abbrev),
                               ce_stage(ce));
                }
-               write_eolinfo(&the_index, ce, ce->name);
-               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);
-               }
+               write_eolinfo(repo->index, ce, fullname);
+               write_name(fullname);
+               print_debug(ce);
        }
-
-       strbuf_release(&name);
 }
 
 static void show_ru_info(const struct index_state *istate)
@@ -307,14 +266,14 @@ static void show_ru_info(const struct index_state *istate)
                len = strlen(path);
                if (len < max_prefix_len)
                        continue; /* outside of the prefix */
-               if (!match_pathspec(&pathspec, path, len,
+               if (!match_pathspec(istate, &pathspec, path, len,
                                    max_prefix_len, ps_matched, 0))
                        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),
+                              find_unique_abbrev(&ui->oid[i], abbrev),
                               i + 1);
                        write_name(path);
                }
@@ -322,59 +281,79 @@ static void show_ru_info(const struct index_state *istate)
 }
 
 static int ce_excluded(struct dir_struct *dir, struct index_state *istate,
-                      const struct cache_entry *ce)
+                      const char *fullname, const struct cache_entry *ce)
 {
        int dtype = ce_to_dtype(ce);
-       return is_excluded(dir, istate, ce->name, &dtype);
+       return is_excluded(dir, istate, fullname, &dtype);
+}
+
+static void construct_fullname(struct strbuf *out, const struct repository *repo,
+                              const struct cache_entry *ce)
+{
+       strbuf_reset(out);
+       if (repo->submodule_prefix)
+               strbuf_addstr(out, repo->submodule_prefix);
+       strbuf_addstr(out, ce->name);
 }
 
-static void show_files(struct dir_struct *dir)
+static void show_files(struct repository *repo, struct dir_struct *dir)
 {
        int i;
+       struct strbuf fullname = STRBUF_INIT;
 
        /* For cached/deleted files we don't need to even do the readdir */
        if (show_others || show_killed) {
                if (!show_others)
                        dir->flags |= DIR_COLLECT_KILLED_ONLY;
-               fill_directory(dir, &the_index, &pathspec);
+               fill_directory(dir, repo->index, &pathspec);
                if (show_others)
-                       show_other_files(&the_index, dir);
+                       show_other_files(repo->index, dir);
                if (show_killed)
-                       show_killed_files(&the_index, dir);
+                       show_killed_files(repo->index, dir);
        }
        if (show_cached || show_stage) {
-               for (i = 0; i < active_nr; i++) {
-                       const struct cache_entry *ce = active_cache[i];
+               for (i = 0; i < repo->index->cache_nr; i++) {
+                       const struct cache_entry *ce = repo->index->cache[i];
+
+                       construct_fullname(&fullname, repo, ce);
+
                        if ((dir->flags & DIR_SHOW_IGNORED) &&
-                           !ce_excluded(dir, &the_index, ce))
+                           !ce_excluded(dir, repo->index, fullname.buf, ce))
                                continue;
                        if (show_unmerged && !ce_stage(ce))
                                continue;
                        if (ce->ce_flags & CE_UPDATE)
                                continue;
-                       show_ce_entry(ce_stage(ce) ? tag_unmerged :
-                               (ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached), ce);
+                       show_ce(repo, dir, ce, fullname.buf,
+                               ce_stage(ce) ? tag_unmerged :
+                               (ce_skip_worktree(ce) ? tag_skip_worktree :
+                                tag_cached));
                }
        }
        if (show_deleted || show_modified) {
-               for (i = 0; i < active_nr; i++) {
-                       const struct cache_entry *ce = active_cache[i];
+               for (i = 0; i < repo->index->cache_nr; i++) {
+                       const struct cache_entry *ce = repo->index->cache[i];
                        struct stat st;
                        int err;
+
+                       construct_fullname(&fullname, repo, ce);
+
                        if ((dir->flags & DIR_SHOW_IGNORED) &&
-                           !ce_excluded(dir, &the_index, ce))
+                           !ce_excluded(dir, repo->index, fullname.buf, ce))
                                continue;
                        if (ce->ce_flags & CE_UPDATE)
                                continue;
                        if (ce_skip_worktree(ce))
                                continue;
-                       err = lstat(ce->name, &st);
+                       err = lstat(fullname.buf, &st);
                        if (show_deleted && err)
-                               show_ce_entry(tag_removed, ce);
-                       if (show_modified && ce_modified(ce, &st, 0))
-                               show_ce_entry(tag_modified, ce);
+                               show_ce(repo, dir, ce, fullname.buf, tag_removed);
+                       if (show_modified && ie_modified(repo->index, ce, &st, 0))
+                               show_ce(repo, dir, ce, fullname.buf, tag_modified);
                }
        }
+
+       strbuf_release(&fullname);
 }
 
 /*
@@ -386,7 +365,7 @@ static void prune_index(struct index_state *istate,
        int pos;
        unsigned int first, last;
 
-       if (!prefix)
+       if (!prefix || !istate->cache_nr)
                return;
        pos = index_name_pos(istate, prefix, prefixlen);
        if (pos < 0)
@@ -394,7 +373,7 @@ static void prune_index(struct index_state *istate,
        first = pos;
        last = istate->cache_nr;
        while (last > first) {
-               int next = (last + first) >> 1;
+               int next = first + ((last - first) >> 1);
                const struct cache_entry *ce = istate->cache[next];
                if (!strncmp(ce->name, prefix, prefixlen)) {
                        first = next+1;
@@ -402,8 +381,7 @@ static void prune_index(struct index_state *istate,
                }
                last = next;
        }
-       memmove(istate->cache, istate->cache + pos,
-               (last - pos) * sizeof(struct cache_entry *));
+       MOVE_ARRAY(istate->cache, istate->cache + pos, last - pos);
        istate->cache_nr = last - pos;
 }
 
@@ -464,7 +442,7 @@ void overlay_tree_on_index(struct index_state *istate,
                               PATHSPEC_PREFER_CWD, prefix, matchbuf);
        } else
                memset(&pathspec, 0, sizeof(pathspec));
-       if (read_tree(tree, 1, &pathspec, istate))
+       if (read_tree(the_repository, tree, 1, &pathspec, istate))
                die("unable to read tree entries %s", tree_name);
 
        for (i = 0; i < istate->cache_nr; i++) {
@@ -498,6 +476,8 @@ static int option_parse_exclude(const struct option *opt,
 {
        struct string_list *exclude_list = opt->value;
 
+       BUG_ON_OPT_NEG(unset);
+
        exc_given = 1;
        string_list_append(exclude_list, arg);
 
@@ -509,6 +489,8 @@ static int option_parse_exclude_from(const struct option *opt,
 {
        struct dir_struct *dir = opt->value;
 
+       BUG_ON_OPT_NEG(unset);
+
        exc_given = 1;
        add_excludes_from_file(dir, arg);
 
@@ -520,6 +502,9 @@ static int option_parse_exclude_standard(const struct option *opt,
 {
        struct dir_struct *dir = opt->value;
 
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
+
        exc_given = 1;
        setup_standard_excludes(dir);
 
@@ -541,6 +526,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
                        N_("identify the file status with tags")),
                OPT_BOOL('v', NULL, &show_valid_bit,
                        N_("use lowercase letters for 'assume unchanged' files")),
+               OPT_BOOL('f', NULL, &show_fsmonitor_bit,
+                       N_("use lowercase letters for 'fsmonitor clean' files")),
                OPT_BOOL('c', "cached", &show_cached,
                        N_("show cached files in the output (default)")),
                OPT_BOOL('d', "deleted", &show_deleted,
@@ -569,18 +556,19 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
                            N_("show resolve-undo information")),
                { OPTION_CALLBACK, 'x', "exclude", &exclude_list, N_("pattern"),
                        N_("skip files matching pattern"),
-                       0, option_parse_exclude },
+                       PARSE_OPT_NONEG, option_parse_exclude },
                { OPTION_CALLBACK, 'X', "exclude-from", &dir, N_("file"),
                        N_("exclude patterns are read from <file>"),
-                       0, option_parse_exclude_from },
+                       PARSE_OPT_NONEG, option_parse_exclude_from },
                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,
                        N_("add the standard git exclusions"),
-                       PARSE_OPT_NOARG, option_parse_exclude_standard },
-               { 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 },
+                       PARSE_OPT_NOARG | PARSE_OPT_NONEG,
+                       option_parse_exclude_standard },
+               OPT_SET_INT_F(0, "full-name", &prefix_len,
+                             N_("make the output relative to the project top directory"),
+                             0, PARSE_OPT_NONEG),
                OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
                        N_("recurse through submodules")),
                OPT_BOOL(0, "error-unmatch", &error_unmatch,
@@ -599,10 +587,9 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
        prefix = cmd_prefix;
        if (prefix)
                prefix_len = strlen(prefix);
-       super_prefix = get_super_prefix();
        git_config(git_default_config, NULL);
 
-       if (read_cache() < 0)
+       if (repo_read_index(the_repository) < 0)
                die("index file corrupt");
 
        argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
@@ -611,7 +598,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
        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) {
+       if (show_tag || show_valid_bit || show_fsmonitor_bit) {
                tag_cached = "H ";
                tag_unmerged = "M ";
                tag_removed = "R ";
@@ -635,9 +622,6 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
        if (require_work_tree && !is_inside_work_tree())
                setup_work_tree();
 
-       if (recurse_submodules)
-               compile_submodule_options(argv, &dir, show_tag);
-
        if (recurse_submodules &&
            (show_stage || show_deleted || show_others || show_unmerged ||
             show_killed || show_modified || show_resolve_undo || with_tree))
@@ -654,7 +638,10 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
        /*
         * Find common prefix for all pathspec's
         * This is used as a performance optimization which unfortunately cannot
-        * be done when recursing into submodules
+        * be done when recursing into submodules because when a pathspec is
+        * given which spans repository boundaries you can't simply remove the
+        * submodule entry because the pathspec may match something inside the
+        * submodule.
         */
        if (recurse_submodules)
                max_prefix = NULL;
@@ -662,7 +649,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
                max_prefix = common_prefix(&pathspec);
        max_prefix_len = get_common_prefix_len(max_prefix);
 
-       prune_index(&the_index, max_prefix, max_prefix_len);
+       prune_index(the_repository->index, max_prefix, max_prefix_len);
 
        /* Treat unmatching pathspec elements as errors */
        if (pathspec.nr && error_unmatch)
@@ -683,20 +670,23 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
                 */
                if (show_stage || show_unmerged)
                        die("ls-files --with-tree is incompatible with -s or -u");
-               overlay_tree_on_index(&the_index, with_tree, max_prefix);
+               overlay_tree_on_index(the_repository->index, with_tree, max_prefix);
        }
-       show_files(&dir);
+
+       show_files(the_repository, &dir);
+
        if (show_resolve_undo)
-               show_ru_info(&the_index);
+               show_ru_info(the_repository->index);
 
        if (ps_matched) {
                int bad;
-               bad = report_path_error(ps_matched, &pathspec, prefix);
+               bad = report_path_error(ps_matched, &pathspec);
                if (bad)
                        fprintf(stderr, "Did you forget to 'git add'?\n");
 
                return bad ? 1 : 0;
        }
 
+       UNLEAK(dir);
        return 0;
 }