Merge branch 'sg/parse-options-subcommand'

Introduce the "subcommand" mode to parse-options API and update the
command line parser of Git commands with subcommands.

* sg/parse-options-subcommand: (23 commits)
  remote: run "remote rm" argv through parse_options()
  maintenance: add parse-options boilerplate for subcommands
  pass subcommand "prefix" arguments to parse_options()
  builtin/worktree.c: let parse-options parse subcommands
  builtin/stash.c: let parse-options parse subcommands
  builtin/sparse-checkout.c: let parse-options parse subcommands
  builtin/remote.c: let parse-options parse subcommands
  builtin/reflog.c: let parse-options parse subcommands
  builtin/notes.c: let parse-options parse subcommands
  builtin/multi-pack-index.c: let parse-options parse subcommands
  builtin/hook.c: let parse-options parse subcommands
  builtin/gc.c: let parse-options parse 'git maintenance's subcommands
  builtin/commit-graph.c: let parse-options parse subcommands
  builtin/bundle.c: let parse-options parse subcommands
  parse-options: add support for parsing subcommands
  parse-options: drop leading space from '--git-completion-helper' output
  parse-options: clarify the limitations of PARSE_OPT_NODASH
  parse-options: PARSE_OPT_KEEP_UNKNOWN only applies to --options
  api-parse-options.txt: fix description of OPT_CMDMODE
  t0040-parse-options: test parse_options() with various 'parse_opt_flags'
  ...

1 files changed, 6 insertions, 4 deletions

diff --git a/t/t7900-maintenance.sh b/t/t7900-maintenance.sh
index 62ed694a40..2724a44fe3 100755
--- a/t/t7900-maintenance.sh
+++ b/t/t7900-maintenance.sh
@@ -32,11 +32,13 @@ test_systemd_analyze_verify () {
 }
 
 test_expect_success 'help text' '
-	test_expect_code 129 git maintenance -h 2>err &&
-	test_i18ngrep "usage: git maintenance <subcommand>" err &&
-	test_expect_code 128 git maintenance barf 2>err &&
-	test_i18ngrep "invalid subcommand: barf" err &&
+	test_expect_code 129 git maintenance -h >actual &&
+	test_i18ngrep "usage: git maintenance <subcommand>" actual &&
+	test_expect_code 129 git maintenance barf 2>err &&
+	test_i18ngrep "unknown subcommand: \`barf'\''" err &&
+	test_i18ngrep "usage: git maintenance" err &&
 	test_expect_code 129 git maintenance 2>err &&
+	test_i18ngrep "error: need a subcommand" err &&
 	test_i18ngrep "usage: git maintenance" err
 '