sha1_file: restore OBJECT_INFO_QUICK functionality
[gitweb.git] / builtin / ls-files.c
index a6c70dbe9ec84921108a85485a12111c854833b8..8c713c47acccf0a3a50ec8a0b822aafae8d6bada 100644 (file)
@@ -5,7 +5,10 @@
  *
  * Copyright (C) Linus Torvalds, 2005
  */
+#define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
+#include "repository.h"
+#include "config.h"
 #include "quote.h"
 #include "dir.h"
 #include "builtin.h"
@@ -16,6 +19,7 @@
 #include "pathspec.h"
 #include "run-command.h"
 #include "submodule.h"
+#include "submodule-config.h"
 
 static int abbrev;
 static int show_deleted;
@@ -31,10 +35,8 @@ 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;
@@ -53,17 +55,17 @@ static const char *tag_modified = "";
 static const char *tag_skip_worktree = "";
 static const char *tag_resolve_undo = "";
 
-static void write_eolinfo(const struct cache_entry *ce, const char *path)
+static void write_eolinfo(const struct index_state *istate,
+                         const struct cache_entry *ce, const char *path)
 {
-       if (!show_eol)
-               return;
-       else {
+       if (show_eol) {
                struct stat st;
                const char *i_txt = "";
                const char *w_txt = "";
                const char *a_txt = get_convert_attr_ascii(path);
                if (ce && S_ISREG(ce->ce_mode))
-                       i_txt = get_cached_convert_stats_ascii(ce->name);
+                       i_txt = get_cached_convert_stats_ascii(istate,
+                                                              ce->name);
                if (!lstat(path, &st) && S_ISREG(st.st_mode))
                        w_txt = get_wt_convert_stats_ascii(path);
                printf("i/%-5s w/%-5s attr/%-17s\t", i_txt, w_txt, a_txt);
@@ -72,55 +74,81 @@ static void write_eolinfo(const struct cache_entry *ce, const char *path)
 
 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];
 
-       strbuf_release(&full_name);
+       if (tag && *tag && show_valid_bit && (ce->ce_flags & CE_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;
+       }
+
+       return tag;
+}
+
+static void print_debug(const struct cache_entry *ce)
+{
+       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 void show_dir_entry(const char *tag, struct dir_entry *ent)
 {
        int len = max_prefix_len;
 
-       if (len >= ent->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))
                return;
 
        fputs(tag, stdout);
-       write_eolinfo(NULL, ent->name);
+       write_eolinfo(NULL, NULL, ent->name);
        write_name(ent->name);
 }
 
-static void show_other_files(struct dir_struct *dir)
+static void show_other_files(const struct index_state *istate,
+                            const struct dir_struct *dir)
 {
        int i;
 
        for (i = 0; i < dir->nr; i++) {
                struct dir_entry *ent = dir->entries[i];
-               if (!cache_name_is_other(ent->name, ent->len))
+               if (!index_name_is_other(istate, ent->name, ent->len))
                        continue;
                show_dir_entry(tag_other, ent);
        }
 }
 
-static void show_killed_files(struct dir_struct *dir)
+static void show_killed_files(const struct index_state *istate,
+                             const struct dir_struct *dir)
 {
        int i;
        for (i = 0; i < dir->nr; i++) {
@@ -134,29 +162,29 @@ static void show_killed_files(struct dir_struct *dir)
                                /* If ent->name is prefix of an entry in the
                                 * cache, it will be killed.
                                 */
-                               pos = cache_name_pos(ent->name, ent->len);
+                               pos = index_name_pos(istate, ent->name, ent->len);
                                if (0 <= pos)
                                        die("BUG: killed-file %.*s not found",
                                                ent->len, ent->name);
                                pos = -pos - 1;
-                               while (pos < active_nr &&
-                                      ce_stage(active_cache[pos]))
+                               while (pos < istate->cache_nr &&
+                                      ce_stage(istate->cache[pos]))
                                        pos++; /* skip unmerged */
-                               if (active_nr <= pos)
+                               if (istate->cache_nr <= pos)
                                        break;
                                /* pos points at a name immediately after
                                 * ent->name in the cache.  Does it expect
                                 * ent->name to be a directory?
                                 */
-                               len = ce_namelen(active_cache[pos]);
+                               len = ce_namelen(istate->cache[pos]);
                                if ((ent->len < len) &&
-                                   !strncmp(active_cache[pos]->name,
+                                   !strncmp(istate->cache[pos]->name,
                                             ent->name, ent->len) &&
-                                   active_cache[pos]->name[ent->len] == '/')
+                                   istate->cache[pos]->name[ent->len] == '/')
                                        killed = 1;
                                break;
                        }
-                       if (0 <= cache_name_pos(ent->name, sp - ent->name)) {
+                       if (0 <= index_name_pos(istate, ent->name, sp - ent->name)) {
                                /* If any of the leading directories in
                                 * ent->name is registered in the cache,
                                 * ent->name will be killed.
@@ -170,100 +198,39 @@ static void show_killed_files(struct dir_struct *dir)
        }
 }
 
-/*
- * 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 submodule;
+
+       if (repo_submodule_init(&submodule, superproject, path))
+               return;
+
+       if (repo_read_index(&submodule) < 0)
+               die("index file corrupt");
+
+       show_files(&submodule, dir);
+
+       repo_clear(&submodule);
 }
 
-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(&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);
@@ -274,30 +241,20 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce)
                               find_unique_abbrev(ce->oid.hash, abbrev),
                               ce_stage(ce));
                }
-               write_eolinfo(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(void)
+static void show_ru_info(const struct index_state *istate)
 {
        struct string_list_item *item;
 
-       if (!the_index.resolve_undo)
+       if (!istate->resolve_undo)
                return;
 
-       for_each_string_list_item(item, the_index.resolve_undo) {
+       for_each_string_list_item(item, istate->resolve_undo) {
                const char *path = item->string;
                struct resolve_undo_info *ui = item->util;
                int i, len;
@@ -319,88 +276,128 @@ static void show_ru_info(void)
        }
 }
 
-static int ce_excluded(struct dir_struct *dir, const struct cache_entry *ce)
+static int ce_excluded(struct dir_struct *dir, struct index_state *istate,
+                      const char *fullname, const struct cache_entry *ce)
 {
        int dtype = ce_to_dtype(ce);
-       return is_excluded(dir, 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, &pathspec);
+               fill_directory(dir, repo->index, &pathspec);
                if (show_others)
-                       show_other_files(dir);
+                       show_other_files(repo->index, dir);
                if (show_killed)
-                       show_killed_files(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, 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, 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);
 }
 
 /*
  * Prune the index to only contain stuff starting with "prefix"
  */
-static void prune_cache(const char *prefix, size_t prefixlen)
+static void prune_index(struct index_state *istate,
+                       const char *prefix, size_t prefixlen)
 {
        int pos;
        unsigned int first, last;
 
-       if (!prefix)
+       if (!prefix || !istate->cache_nr)
                return;
-       pos = cache_name_pos(prefix, prefixlen);
+       pos = index_name_pos(istate, prefix, prefixlen);
        if (pos < 0)
                pos = -pos-1;
        first = pos;
-       last = active_nr;
+       last = istate->cache_nr;
        while (last > first) {
                int next = (last + first) >> 1;
-               const struct cache_entry *ce = active_cache[next];
+               const struct cache_entry *ce = istate->cache[next];
                if (!strncmp(ce->name, prefix, prefixlen)) {
                        first = next+1;
                        continue;
                }
                last = next;
        }
-       memmove(active_cache, active_cache + pos,
-               (last - pos) * sizeof(struct cache_entry *));
-       active_nr = last - pos;
+       MOVE_ARRAY(istate->cache, istate->cache + pos, last - pos);
+       istate->cache_nr = last - pos;
+}
+
+static int get_common_prefix_len(const char *common_prefix)
+{
+       int common_prefix_len;
+
+       if (!common_prefix)
+               return 0;
+
+       common_prefix_len = strlen(common_prefix);
+
+       /*
+        * If the prefix has a trailing slash, strip it so that submodules wont
+        * be pruned from the index.
+        */
+       if (common_prefix[common_prefix_len - 1] == '/')
+               common_prefix_len--;
+
+       return common_prefix_len;
 }
 
 /*
@@ -411,23 +408,24 @@ static void prune_cache(const char *prefix, size_t prefixlen)
  * that were given from the command line.  We are not
  * going to write this index out.
  */
-void overlay_tree_on_cache(const char *tree_name, const char *prefix)
+void overlay_tree_on_index(struct index_state *istate,
+                          const char *tree_name, const char *prefix)
 {
        struct tree *tree;
-       unsigned char sha1[20];
+       struct object_id oid;
        struct pathspec pathspec;
        struct cache_entry *last_stage0 = NULL;
        int i;
 
-       if (get_sha1(tree_name, sha1))
+       if (get_oid(tree_name, &oid))
                die("tree-ish %s not found.", tree_name);
-       tree = parse_tree_indirect(sha1);
+       tree = parse_tree_indirect(&oid);
        if (!tree)
                die("bad tree-ish %s", tree_name);
 
        /* Hoist the unmerged entries up to stage #3 to make room */
-       for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce = active_cache[i];
+       for (i = 0; i < istate->cache_nr; i++) {
+               struct cache_entry *ce = istate->cache[i];
                if (!ce_stage(ce))
                        continue;
                ce->ce_flags |= CE_STAGEMASK;
@@ -440,11 +438,11 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix)
                               PATHSPEC_PREFER_CWD, prefix, matchbuf);
        } else
                memset(&pathspec, 0, sizeof(pathspec));
-       if (read_tree(tree, 1, &pathspec))
+       if (read_tree(tree, 1, &pathspec, istate))
                die("unable to read tree entries %s", tree_name);
 
-       for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce = active_cache[i];
+       for (i = 0; i < istate->cache_nr; i++) {
+               struct cache_entry *ce = istate->cache[i];
                switch (ce_stage(ce)) {
                case 0:
                        last_stage0 = ce;
@@ -575,10 +573,9 @@ 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,
@@ -611,9 +608,6 @@ 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))
@@ -624,20 +618,24 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
                    "--error-unmatch");
 
        parse_pathspec(&pathspec, 0,
-                      PATHSPEC_PREFER_CWD |
-                      PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
+                      PATHSPEC_PREFER_CWD,
                       prefix, argv);
 
        /*
         * 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;
        else
                max_prefix = common_prefix(&pathspec);
-       max_prefix_len = max_prefix ? strlen(max_prefix) : 0;
+       max_prefix_len = get_common_prefix_len(max_prefix);
+
+       prune_index(the_repository->index, max_prefix, max_prefix_len);
 
        /* Treat unmatching pathspec elements as errors */
        if (pathspec.nr && error_unmatch)
@@ -651,7 +649,6 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
              show_killed || show_modified || show_resolve_undo))
                show_cached = 1;
 
-       prune_cache(max_prefix, max_prefix_len);
        if (with_tree) {
                /*
                 * Basic sanity check; show-stages and show-unmerged
@@ -659,11 +656,13 @@ 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_cache(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();
+               show_ru_info(the_repository->index);
 
        if (ps_matched) {
                int bad;
@@ -674,5 +673,6 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
                return bad ? 1 : 0;
        }
 
+       UNLEAK(dir);
        return 0;
 }