`git describe --contains` calls into `git name-rev` which does not have
any searching to do and thus does not display any debug information.
Say so in the documentation and catch the incompatible arguments.
Signed-off-by: Michael J Gruber <git@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/git-describe.txt | 2 +-
builtin/describe.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/git-describe.txt b/Documentation/git-describe.txt
index 8755f3af7b..0f9adb6e9a 100644
--- a/Documentation/git-describe.txt
+++ b/Documentation/git-describe.txt
@@ -69,7 +69,7 @@ OPTIONS
--debug::
Verbosely display information about the searching strategy
being employed to standard error. The tag name will still
- be printed to standard out.
+ be printed to standard out. This is incompatible with --contains.
--long::
Always output the long format (the tag, the number of commits
diff --git a/builtin/describe.c b/builtin/describe.c
index 76c18059bf..01a6d159a0 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -462,6 +462,8 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
if (longformat && abbrev == 0)
die(_("--long is incompatible with --abbrev=0"));
+ if (contains && debug)
+ die(_("--debug is incompatible with --contains"));
if (contains) {
struct string_list_item *item;
--
2.12.0.384.g157040b11f.dirty