Steal -t option to git-ls-files from Cogito fork.

This backports the -t option git-ls-files in Cogito added to the Linus
version.

Signed-off-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/core-git.txt b/Documentation/core-git.txt
index e5121ca..1ccae4c 100644 (file)
--- a/Documentation/core-git.txt
+++ b/Documentation/core-git.txt
@@ -1022,6 +1022,14 @@ shown:
        the diff command:
             git-ls-files --others --exclude-from=dontdiff
 
+-t
+       Identify the file status with the following tags (followed by
+       a space) at the start of each line:
+       H       cached
+       M       unmerged
+       R       removed/deleted
+       ?       other
+
 Output
 show files just outputs the filename unless --stage is specified in
 which case it outputs:

diff --git a/ls-files.c b/ls-files.c
index 58b5aee..a2d8cbb 100644 (file)
--- a/ls-files.c
+++ b/ls-files.c
@@ -18,6 +18,11 @@ static int show_stage = 0;
 static int show_unmerged = 0;
 static int line_terminator = '\n';
 
+static const char *tag_cached = "";
+static const char *tag_unmerged = "";
+static const char *tag_removed = "";
+static const char *tag_other = "";
+
 static int nr_excludes;
 static const char **excludes;
 static int excludes_alloc;
@@ -143,7 +148,8 @@ static void read_directory(const char *path, const char *base, int baselen)
                                /* fallthrough */
                        case DT_DIR:
                                memcpy(fullname + baselen + len, "/", 2);
-                               read_directory(fullname, fullname, baselen + len + 1);
+                               read_directory(fullname, fullname,
+                                              baselen + len + 1);
                                continue;
                        case DT_REG:
                                break;
@@ -172,7 +178,7 @@ static void show_files(void)
                read_directory(".", "", 0);
                qsort(dir, nr_dir, sizeof(char *), cmp_name);
                for (i = 0; i < nr_dir; i++)
-                       printf("%s%c", dir[i], line_terminator);
+                       printf("%s%s%c", tag_other, dir[i], line_terminator);
        }
        if (show_cached | show_stage) {
                for (i = 0; i < active_nr; i++) {
@@ -182,14 +188,17 @@ static void show_files(void)
                        if (show_unmerged && !ce_stage(ce))
                                continue;
                        if (!show_stage)
-                               printf("%s%c", ce->name, line_terminator);
+                               printf("%s%s%c",
+                                      ce_stage(ce) ? tag_unmerged :
+                                      tag_cached,
+                                      ce->name, line_terminator);
                        else
-                               printf(/* "%06o %s %d %10d %s%c", */
-                                      "%06o %s %d %s%c",
+                               printf("%s%06o %s %d %s%c",
+                                      ce_stage(ce) ? tag_unmerged :
+                                      tag_cached,
                                       ntohl(ce->ce_mode),
                                       sha1_to_hex(ce->sha1),
                                       ce_stage(ce),
-                                      /* ntohl(ce->ce_size), */
                                       ce->name, line_terminator); 
                }
        }
@@ -201,13 +210,14 @@ static void show_files(void)
                                continue;
                        if (!lstat(ce->name, &st))
                                continue;
-                       printf("%s%c", ce->name, line_terminator);
+                       printf("%s%s%c", tag_removed, ce->name,
+                              line_terminator);
                }
        }
 }
 
 static const char *ls_files_usage =
-       "ls-files [-z] (--[cached|deleted|others|stage|unmerged])* "
+       "ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged])* "
        "[ --ignored [--exclude=<pattern>] [--exclude-from=<file>) ]";
 
 int main(int argc, char **argv)
@@ -219,6 +229,11 @@ int main(int argc, char **argv)
 
                if (!strcmp(arg, "-z")) {
                        line_terminator = 0;
+               } else if (!strcmp(arg, "-t")) {
+                       tag_cached = "H ";
+                       tag_unmerged = "M ";
+                       tag_removed = "R ";
+                       tag_other = "? ";
                } else if (!strcmp(arg, "-c") || !strcmp(arg, "--cached")) {
                        show_cached = 1;
                } else if (!strcmp(arg, "-d") || !strcmp(arg, "--deleted")) {
@@ -230,7 +245,9 @@ int main(int argc, char **argv)
                } else if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) {
                        show_stage = 1;
                } else if (!strcmp(arg, "-u") || !strcmp(arg, "--unmerged")) {
-                       // There's no point in showing unmerged unless you also show the stage information
+                       /* There's no point in showing unmerged unless
+                        * you also show the stage information.
+                        */
                        show_stage = 1;
                        show_unmerged = 1;
                } else if (!strcmp(arg, "-x") && i+1 < argc) {
@@ -246,7 +263,8 @@ int main(int argc, char **argv)
        }
 
        if (show_ignored && !nr_excludes) {
-               fprintf(stderr, "%s: --ignored needs some exclude pattern\n", argv[0]);
+               fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
+                       argv[0]);
                exit(1);
        }