From: Johannes Schindelin <johannes.schindelin@xxxxxx>
In preparation for `bisect--helper` graduating to become the actual
`bisect` command, we hereby teach it to print the very same usage
strings as the scripted `git-bisect.sh` does.
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
builtin/bisect--helper.c | 65 +++++++++++++++++++++++++++++-----------
1 file changed, 47 insertions(+), 18 deletions(-)
diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c
index 86195058cd5..1914aa7c69f 100644
--- a/builtin/bisect--helper.c
+++ b/builtin/bisect--helper.c
@@ -1,6 +1,5 @@
#include "builtin.h"
#include "cache.h"
-#include "parse-options.h"
#include "bisect.h"
#include "refs.h"
#include "dir.h"
@@ -20,18 +19,46 @@ static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES")
static GIT_PATH_FUNC(git_path_bisect_first_parent, "BISECT_FIRST_PARENT")
static GIT_PATH_FUNC(git_path_bisect_run, "BISECT_RUN")
-static const char * const git_bisect_helper_usage[] = {
- N_("git bisect--helper --bisect-reset [<commit>]"),
- "git bisect--helper --bisect-terms [--term-good | --term-old | --term-bad | --term-new]",
- N_("git bisect--helper --bisect-start [--term-{new,bad}=<term> --term-{old,good}=<term>]"
- " [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] [<paths>...]"),
- "git bisect--helper --bisect-next",
- N_("git bisect--helper [--bisect-state] (bad|new) [<rev>]"),
- N_("git bisect--helper [--bisect-state] (good|old) [<rev>...]"),
- N_("git bisect--helper --bisect-replay <filename>"),
- N_("git bisect--helper --bisect-skip [(<rev>|<range>)...]"),
- "git bisect--helper --bisect-visualize",
- N_("git bisect--helper --bisect-run <cmd>..."),
+static const char *bisect_usage =
+ N_("git bisect [help|start|bad|good|new|old|terms|skip|next|reset|"
+ "visualize|view|replay|log|run]");
+
+static const char * const bisect_long_usage[] = {
+ N_("git bisect [help|start|bad|good|new|old|terms|skip|next|reset|"
+ "visualize|view|replay|log|run]\n"
+ "\n"
+ "git bisect help\n"
+ "\tprint this long help message.\n"
+ "git bisect start [--term-{new,bad}=<term> "
+ "--term-{old,good}=<term>]\n"
+ "\t [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] "
+ "[<pathspec>...]\n"
+ "\treset bisect state and start bisection.\n"
+ "git bisect (bad|new) [<rev>]\n"
+ "\tmark <rev> a known-bad revision/\n"
+ "\t a revision after change in a given property.\n"
+ "git bisect (good|old) [<rev>...]\n"
+ "\tmark <rev>... known-good revisions/\n"
+ "\t revisions before change in a given property.\n"
+ "git bisect terms [--term-good | --term-bad]\n"
+ "\tshow the terms used for old and new commits "
+ "(default: bad, good)\n"
+ "git bisect skip [(<rev>|<range>)...]\n"
+ "\tmark <rev>... untestable revisions.\n"
+ "git bisect next\n"
+ "\tfind next bisection to test and check it out.\n"
+ "git bisect reset [<commit>]\n"
+ "\tfinish bisection search and go back to commit.\n"
+ "git bisect (visualize|view)\n"
+ "\tshow bisect status in gitk.\n"
+ "git bisect replay <logfile>\n"
+ "\treplay bisection log.\n"
+ "git bisect log\n"
+ "\tshow bisect log.\n"
+ "git bisect run <cmd>...\n"
+ "\tuse <cmd>... to automatically bisect.\n"
+ "\n"
+ "Please use \"git help bisect\" to get the full man page."),
NULL
};
@@ -1317,7 +1344,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
struct bisect_terms terms = { .term_good = NULL, .term_bad = NULL };
argc = parse_options(argc, argv, prefix, options,
- git_bisect_helper_usage,
+ bisect_long_usage,
PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_UNKNOWN);
switch (cmdmode ? cmdmode : BISECT_STATE) {
@@ -1368,13 +1395,15 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
res = bisect_run(&terms, argv, argc);
break;
case BISECT_STATE:
+ if (argc &&
+ !file_is_not_empty(git_path_bisect_start()) &&
+ !one_of(argv[0], "bad", "good", "new", "old", NULL))
+ usage(bisect_usage);
set_terms(&terms, "bad", "good");
get_terms(&terms);
if (!cmdmode &&
- (!argc || check_and_set_terms(&terms, argv[0]))) {
- char *msg = xstrfmt(_("unknown command: '%s'"), argv[0]);
- usage_msg_opt(msg, git_bisect_helper_usage, options);
- }
+ (!argc || check_and_set_terms(&terms, argv[0])))
+ usage(bisect_usage);
res = bisect_state(&terms, argv, argc);
break;
default:
--
gitgitgadget
