status: fix display of rebase -ir's `label` command

diff --git a/parse-options.c b/parse-options.c
index 1d57802da0e5da70cf00c2cf55b9f3945f44fe53..cb24f1aa8ae980a366f6f700db15b68064e1f926 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -6,6 +6,8 @@
 #include "color.h"
 #include "utf8.h"
 
+static int disallow_abbreviated_options;
+
 #define OPT_SHORT 1
 #define OPT_UNSET 2
 
@@ -346,6 +348,10 @@ static enum parse_opt_result parse_long_opt(
                return get_value(p, options, all_opts, flags ^ opt_flags);
        }
 
+       if (disallow_abbreviated_options && (ambiguous_option || abbrev_option))
+               die("disallowed abbreviated or ambiguous option '%.*s'",
+                   (int)(arg_end - arg), arg);
+
        if (ambiguous_option) {
                error(_("ambiguous option: %s "
                        "(could be --%s%s or --%s%s)"),
@@ -525,8 +531,7 @@ static void show_negated_gitcomp(const struct option *opts, int nr_noopts)
        }
 }
 
-static int show_gitcomp(struct parse_opt_ctx_t *ctx,
-                       const struct option *opts)
+static int show_gitcomp(const struct option *opts)
 {
        const struct option *original_opts = opts;
        int nr_noopts = 0;
@@ -605,7 +610,7 @@ int parse_options_step(struct parse_opt_ctx_t *ctx,
 
                /* lone --git-completion-helper is asked by git-completion.bash */
                if (ctx->total == 1 && !strcmp(arg + 1, "-git-completion-helper"))
-                       return show_gitcomp(ctx, options);
+                       return show_gitcomp(options);
 
                if (arg[1] != '-') {
                        ctx->opt = arg + 1;
@@ -710,6 +715,9 @@ int parse_options(int argc, const char **argv, const char *prefix,
 {
        struct parse_opt_ctx_t ctx;
 
+       disallow_abbreviated_options =
+               git_env_bool("GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS", 0);
+
        parse_options_start(&ctx, argc, argv, prefix, options, flags);
        switch (parse_options_step(&ctx, options, usagestr)) {
        case PARSE_OPT_HELP: