diff options
| -rw-r--r-- | Documentation/diff-options.txt | 5 | ||||
| -rw-r--r-- | diff.c | 14 | ||||
| -rwxr-xr-x | t/t4013-diff-various.sh | 10 |
3 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 7d73e976d9..08ab86189a 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -852,6 +852,11 @@ endif::git-format-patch[] --no-prefix:: Do not show any source or destination prefix. +--default-prefix:: + Use the default source and destination prefixes ("a/" and "b/"). + This is usually the default already, but may be used to override + config such as `diff.noprefix`. + --line-prefix=<prefix>:: Prepend an additional prefix to every line of output. @@ -5275,6 +5275,17 @@ static int diff_opt_no_prefix(const struct option *opt, return 0; } +static int diff_opt_default_prefix(const struct option *opt, + const char *optarg, int unset) +{ + struct diff_options *options = opt->value; + + BUG_ON_OPT_NEG(unset); + BUG_ON_OPT_ARG(optarg); + diff_set_default_prefix(options); + return 0; +} + static enum parse_opt_result diff_opt_output(struct parse_opt_ctx_t *ctx, const struct option *opt, const char *arg, int unset) @@ -5564,6 +5575,9 @@ struct option *add_diff_options(const struct option *opts, OPT_CALLBACK_F(0, "no-prefix", options, NULL, N_("do not show any source or destination prefix"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, diff_opt_no_prefix), + OPT_CALLBACK_F(0, "default-prefix", options, NULL, + N_("use default prefixes a/ and b/"), + PARSE_OPT_NONEG | PARSE_OPT_NOARG, diff_opt_default_prefix), OPT_INTEGER_F(0, "inter-hunk-context", &options->interhunkcontext, N_("show context between diff hunks up to the specified number of lines"), PARSE_OPT_NONEG), diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh index 0bc6957989..5de1d19075 100755 --- a/t/t4013-diff-various.sh +++ b/t/t4013-diff-various.sh @@ -643,9 +643,19 @@ test_expect_success 'diff respects diff.noprefix' ' check_prefix actual file0 file0 ' +test_expect_success 'diff --default-prefix overrides diff.noprefix' ' + git -c diff.noprefix diff --default-prefix >actual && + check_prefix actual a/file0 b/file0 +' + test_expect_success 'diff respects diff.mnemonicprefix' ' git -c diff.mnemonicprefix diff >actual && check_prefix actual i/file0 w/file0 ' +test_expect_success 'diff --default-prefix overrides diff.mnemonicprefix' ' + git -c diff.mnemonicprefix diff --default-prefix >actual && + check_prefix actual a/file0 b/file0 +' + test_done |