[PATCH] rm: accept -R and --recursive in addition to -r

[Delan Azabani]

POSIX rm(1) accepts both -r and -R, so we accept -R here by analogy
with that and with commands like cp(1) + ls(1) + grep(1), where on
many or all platforms it’s the only way to recurse. For completeness
with GNU coreutils, we also accept --recursive here.

5c387428f10c2 introduces a mechanism that might have been nice to use
here (OPTION_ALIAS), but I didn’t use it because we would need to add
two different long options, and it’s primarily there to fix a problem
that won’t happen anyway unless there are two similar long options.

Signed-off-by: Delan Azabani <de...@azabani.com>
---
 builtin/rm.c  |  3 ++-
 t/t3600-rm.sh | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/builtin/rm.c b/builtin/rm.c
index 19ce95a901..36c4cea256 100644
--- a/builtin/rm.c
+++ b/builtin/rm.c
@@ -242,7 +242,8 @@ static struct option builtin_rm_options[] = {
        OPT__QUIET(&quiet, N_("do not list removed files")),
        OPT_BOOL( 0 , "cached",         &index_only, N_("only remove from the 
index")),
        OPT__FORCE(&force, N_("override the up-to-date check"), 
PARSE_OPT_NOCOMPLETE),
-       OPT_BOOL('r', NULL,             &recursive,  N_("allow recursive 
removal")),
+       OPT_BOOL_F('R', NULL,           &recursive,  N_("allow recursive 
removal"), PARSE_OPT_HIDDEN),
+       OPT_BOOL('r', "recursive",      &recursive,  N_("allow recursive 
removal")),
        OPT_BOOL( 0 , "ignore-unmatch", &ignore_unmatch,
                                N_("exit with a zero status even if nothing 
matched")),
        OPT_END(),
diff --git a/t/t3600-rm.sh b/t/t3600-rm.sh
index 66282a720e..b2ddbba83c 100755
--- a/t/t3600-rm.sh
+++ b/t/t3600-rm.sh
@@ -212,6 +212,26 @@ test_expect_success 'Recursive with -r -f' '
        test_path_is_missing frotz
 '
 
+test_expect_success 'Recursive with -R' '
+       mkdir -p frotz &&
+       touch frotz/R &&
+       git add frotz &&
+       git commit -m R &&
+       git rm -R frotz &&
+       test_path_is_missing frotz/R &&
+       test_path_is_missing frotz
+'
+
+test_expect_success 'Recursive with --recursive' '
+       mkdir -p frotz &&
+       touch frotz/recursive &&
+       git add frotz &&
+       git commit -m recursive &&
+       git rm --recursive frotz &&
+       test_path_is_missing frotz/recursive &&
+       test_path_is_missing frotz
+'
+
 test_expect_success 'Remove nonexistent file returns nonzero exit status' '
        test_must_fail git rm nonexistent
 '
-- 
2.19.2