lstat_cache(): print a warning if doing ping-pong between cache types
[gitweb.git] / wt-status.c
index b3fd57b79df3513d271c23caf3ab46b3ba405e40..96ff2f8f564b907b9ef77bd2ea41b5e854a13085 100644 (file)
@@ -8,22 +8,21 @@
 #include "revision.h"
 #include "diffcore.h"
 #include "quote.h"
+#include "run-command.h"
+#include "remote.h"
 
 int wt_status_relative_paths = 1;
 int wt_status_use_color = -1;
+int wt_status_submodule_summary;
 static char wt_status_colors[][COLOR_MAXLEN] = {
        "",         /* WT_STATUS_HEADER: normal */
        "\033[32m", /* WT_STATUS_UPDATED: green */
        "\033[31m", /* WT_STATUS_CHANGED: red */
        "\033[31m", /* WT_STATUS_UNTRACKED: red */
+       "\033[31m", /* WT_STATUS_NOBRANCH: red */
 };
 
-static const char use_add_msg[] =
-"use \"git add <file>...\" to update what will be committed";
-static const char use_add_rm_msg[] =
-"use \"git add/rm <file>...\" to update what will be committed";
-static const char use_add_to_include_msg[] =
-"use \"git add <file>...\" to include in what will be committed";
+enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 
 static int parse_status_slot(const char *var, int offset)
 {
@@ -36,6 +35,8 @@ static int parse_status_slot(const char *var, int offset)
                return WT_STATUS_CHANGED;
        if (!strcasecmp(var+offset, "untracked"))
                return WT_STATUS_UNTRACKED;
+       if (!strcasecmp(var+offset, "nobranch"))
+               return WT_STATUS_NOBRANCH;
        die("bad config variable '%s'", var);
 }
 
@@ -69,12 +70,24 @@ static void wt_status_print_cached_header(struct wt_status *s)
        color_fprintf_ln(s->fp, c, "#");
 }
 
-static void wt_status_print_header(struct wt_status *s,
-                                  const char *main, const char *sub)
+static void wt_status_print_dirty_header(struct wt_status *s,
+                                        int has_deleted)
 {
        const char *c = color(WT_STATUS_HEADER);
-       color_fprintf_ln(s->fp, c, "# %s:", main);
-       color_fprintf_ln(s->fp, c, "#   (%s)", sub);
+       color_fprintf_ln(s->fp, c, "# Changed but not updated:");
+       if (!has_deleted)
+               color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
+       else
+               color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
+       color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
+       color_fprintf_ln(s->fp, c, "#");
+}
+
+static void wt_status_print_untracked_header(struct wt_status *s)
+{
+       const char *c = color(WT_STATUS_HEADER);
+       color_fprintf_ln(s->fp, c, "# Untracked files:");
+       color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
        color_fprintf_ln(s->fp, c, "#");
 }
 
@@ -90,10 +103,8 @@ static void wt_status_print_filepair(struct wt_status *s,
 {
        const char *c = color(t);
        const char *one, *two;
-       struct strbuf onebuf, twobuf;
+       struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 
-       strbuf_init(&onebuf, 0);
-       strbuf_init(&twobuf, 0);
        one = quote_path(p->one->path, -1, &onebuf, s->prefix);
        two = quote_path(p->two->path, -1, &twobuf, s->prefix);
 
@@ -159,14 +170,14 @@ static void wt_status_print_changed_cb(struct diff_queue_struct *q,
        struct wt_status *s = data;
        int i;
        if (q->nr) {
-               const char *msg = use_add_msg;
+               int has_deleted = 0;
                s->workdir_dirty = 1;
                for (i = 0; i < q->nr; i++)
                        if (q->queue[i]->status == DIFF_STATUS_DELETED) {
-                               msg = use_add_rm_msg;
+                               has_deleted = 1;
                                break;
                        }
-               wt_status_print_header(s, "Changed but not updated", msg);
+               wt_status_print_dirty_header(s, has_deleted);
        }
        for (i = 0; i < q->nr; i++)
                wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
@@ -174,37 +185,17 @@ static void wt_status_print_changed_cb(struct diff_queue_struct *q,
                wt_status_print_trailer(s);
 }
 
-static void wt_status_print_initial(struct wt_status *s)
-{
-       int i;
-       struct strbuf buf;
-
-       strbuf_init(&buf, 0);
-       if (active_nr) {
-               s->commitable = 1;
-               wt_status_print_cached_header(s);
-       }
-       for (i = 0; i < active_nr; i++) {
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-               color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
-                               quote_path(active_cache[i]->name, -1,
-                                          &buf, s->prefix));
-       }
-       if (active_nr)
-               wt_status_print_trailer(s);
-       strbuf_release(&buf);
-}
-
 static void wt_status_print_updated(struct wt_status *s)
 {
        struct rev_info rev;
        init_revisions(&rev, NULL);
-       setup_revisions(0, NULL, &rev, s->reference);
+       setup_revisions(0, NULL, &rev,
+               s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = wt_status_print_updated_cb;
        rev.diffopt.format_callback_data = s;
        rev.diffopt.detect_rename = 1;
-       rev.diffopt.rename_limit = 100;
+       rev.diffopt.rename_limit = 200;
        rev.diffopt.break_opt = 0;
        run_diff_index(&rev, 1);
 }
@@ -220,14 +211,43 @@ static void wt_status_print_changed(struct wt_status *s)
        run_diff_files(&rev, 0);
 }
 
+static void wt_status_print_submodule_summary(struct wt_status *s)
+{
+       struct child_process sm_summary;
+       char summary_limit[64];
+       char index[PATH_MAX];
+       const char *env[] = { index, NULL };
+       const char *argv[] = {
+               "submodule",
+               "summary",
+               "--cached",
+               "--for-status",
+               "--summary-limit",
+               summary_limit,
+               s->amend ? "HEAD^" : "HEAD",
+               NULL
+       };
+
+       sprintf(summary_limit, "%d", wt_status_submodule_summary);
+       snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
+
+       memset(&sm_summary, 0, sizeof(sm_summary));
+       sm_summary.argv = argv;
+       sm_summary.env = env;
+       sm_summary.git_cmd = 1;
+       sm_summary.no_stdin = 1;
+       fflush(s->fp);
+       sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
+       run_command(&sm_summary);
+}
+
 static void wt_status_print_untracked(struct wt_status *s)
 {
        struct dir_struct dir;
        int i;
        int shown_header = 0;
-       struct strbuf buf;
+       struct strbuf buf = STRBUF_INIT;
 
-       strbuf_init(&buf, 0);
        memset(&dir, 0, sizeof(dir));
 
        if (!s->untracked) {
@@ -238,24 +258,12 @@ static void wt_status_print_untracked(struct wt_status *s)
 
        read_directory(&dir, ".", "", 0, NULL);
        for(i = 0; i < dir.nr; i++) {
-               /* check for matching entry, which is unmerged; lifted from
-                * builtin-ls-files:show_other_files */
                struct dir_entry *ent = dir.entries[i];
-               int pos = cache_name_pos(ent->name, ent->len);
-               struct cache_entry *ce;
-               if (0 <= pos)
-                       die("bug in wt_status_print_untracked");
-               pos = -pos - 1;
-               if (pos < active_nr) {
-                       ce = active_cache[pos];
-                       if (ce_namelen(ce) == ent->len &&
-                           !memcmp(ce->name, ent->name, ent->len))
-                               continue;
-               }
+               if (!cache_name_is_other(ent->name, ent->len))
+                       continue;
                if (!shown_header) {
                        s->workdir_untracked = 1;
-                       wt_status_print_header(s, "Untracked files",
-                                              use_add_to_include_msg);
+                       wt_status_print_untracked_header(s);
                        shown_header = 1;
                }
                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
@@ -271,19 +279,49 @@ static void wt_status_print_verbose(struct wt_status *s)
        struct rev_info rev;
 
        init_revisions(&rev, NULL);
-       setup_revisions(0, NULL, &rev, s->reference);
+       DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
+       setup_revisions(0, NULL, &rev,
+               s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
        rev.diffopt.detect_rename = 1;
        rev.diffopt.file = s->fp;
        rev.diffopt.close_file = 0;
+       /*
+        * If we're not going to stdout, then we definitely don't
+        * want color, since we are going to the commit message
+        * file (and even the "auto" setting won't work, since it
+        * will have checked isatty on stdout).
+        */
+       if (s->fp != stdout)
+               DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
        run_diff_index(&rev, 1);
 }
 
+static void wt_status_print_tracking(struct wt_status *s)
+{
+       struct strbuf sb = STRBUF_INIT;
+       const char *cp, *ep;
+       struct branch *branch;
+
+       assert(s->branch && !s->is_initial);
+       if (prefixcmp(s->branch, "refs/heads/"))
+               return;
+       branch = branch_get(s->branch + 11);
+       if (!format_tracking_info(branch, &sb))
+               return;
+
+       for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
+               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
+                                "# %.*s", (int)(ep - cp), cp);
+       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
+}
+
 void wt_status_print(struct wt_status *s)
 {
        unsigned char sha1[20];
-       s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
+       const char *branch_color = color(WT_STATUS_HEADER);
 
+       s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
        if (s->branch) {
                const char *on_what = "On branch ";
                const char *branch_name = s->branch;
@@ -291,26 +329,31 @@ void wt_status_print(struct wt_status *s)
                        branch_name += 11;
                else if (!strcmp(branch_name, "HEAD")) {
                        branch_name = "";
+                       branch_color = color(WT_STATUS_NOBRANCH);
                        on_what = "Not currently on any branch.";
                }
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
-                       "# %s%s", on_what, branch_name);
+               color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
+               color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
+               if (!s->is_initial)
+                       wt_status_print_tracking(s);
        }
 
        if (s->is_initial) {
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
-               wt_status_print_initial(s);
-       }
-       else {
-               wt_status_print_updated(s);
        }
 
+       wt_status_print_updated(s);
        wt_status_print_changed(s);
-       wt_status_print_untracked(s);
+       if (wt_status_submodule_summary)
+               wt_status_print_submodule_summary(s);
+       if (show_untracked_files)
+               wt_status_print_untracked(s);
+       else if (s->commitable)
+                fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 
-       if (s->verbose && !s->is_initial)
+       if (s->verbose)
                wt_status_print_verbose(s);
        if (!s->commitable) {
                if (s->amend)
@@ -323,13 +366,22 @@ void wt_status_print(struct wt_status *s)
                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
                else if (s->is_initial)
                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
+               else if (!show_untracked_files)
+                       printf("nothing to commit (use -u to show untracked files)\n");
                else
                        printf("nothing to commit (working directory clean)\n");
        }
 }
 
-int git_status_config(const char *k, const char *v)
+int git_status_config(const char *k, const char *v, void *cb)
 {
+       if (!strcmp(k, "status.submodulesummary")) {
+               int is_bool;
+               wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
+               if (is_bool && wt_status_submodule_summary)
+                       wt_status_submodule_summary = -1;
+               return 0;
+       }
        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
                wt_status_use_color = git_config_colorbool(k, v, -1);
                return 0;
@@ -345,5 +397,18 @@ int git_status_config(const char *k, const char *v)
                wt_status_relative_paths = git_config_bool(k, v);
                return 0;
        }
-       return git_color_default_config(k, v);
+       if (!strcmp(k, "status.showuntrackedfiles")) {
+               if (!v)
+                       return config_error_nonbool(k);
+               else if (!strcmp(v, "no"))
+                       show_untracked_files = SHOW_NO_UNTRACKED_FILES;
+               else if (!strcmp(v, "normal"))
+                       show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
+               else if (!strcmp(v, "all"))
+                       show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
+               else
+                       return error("Invalid untracked files mode '%s'", v);
+               return 0;
+       }
+       return git_diff_ui_config(k, v, cb);
 }