ls-files: learn a debugging dump format

Teach git-ls-files a new option --debug that just tacks all available
data from the cache onto each file's line.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt
index bd919f2dfddc0165f7749e425a9b1d393558d46f..a7c8174d01810bfb28e331aafc27414dd6cfad50 100644 (file)
--- a/Documentation/git-ls-files.txt
+++ b/Documentation/git-ls-files.txt
@@ -140,6 +140,12 @@ a space) at the start of each line:
        lines, show only a partial prefix.
        Non default number of digits can be specified with --abbrev=<n>.
 
+--debug::
+       After each line that describes a file, add more data about its
+       cache entry.  This is intended to show as much information as
+       possible for manual inspection; the exact format may change at
+       any time.
+
 \--::
        Do not interpret any more arguments as options.
 

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 1b9b8a8b4ac2baff6b9676bcf23b148f147dac6a..cc202c5f6fa6f2be7da857d2f4af7a2e4f3300d6 100644 (file)
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -25,6 +25,7 @@ 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;
@@ -162,6 +163,13 @@ static void show_ce_entry(const char *tag, struct cache_entry *ce)
                       ce_stage(ce));
        }
        write_name(ce->name, ce_namelen(ce));
+       if (debug_mode) {
+               printf("  ctime: %d:%d\n", ce->ce_ctime.sec, ce->ce_ctime.nsec);
+               printf("  mtime: %d:%d\n", ce->ce_mtime.sec, ce->ce_mtime.nsec);
+               printf("  dev: %d\tino: %d\n", ce->ce_dev, ce->ce_ino);
+               printf("  uid: %d\tgid: %d\n", ce->ce_uid, ce->ce_gid);
+               printf("  size: %d\tflags: %x\n", ce->ce_size, ce->ce_flags);
+       }
 }
 
 static int show_one_ru(struct string_list_item *item, void *cbdata)
@@ -519,6 +527,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
                OPT_STRING(0, "with-tree", &with_tree, "tree-ish",
                        "pretend that paths removed since <tree-ish> are still present"),
                OPT__ABBREV(&abbrev),
+               OPT_BOOLEAN(0, "debug", &debug_mode, "show debugging data"),
                OPT_END()
        };