diff.noprefix::
If set, 'git diff' does not show any source or destination prefix.
+diff.srcPrefix::
+ If set, 'git diff' uses this source prefix. Defaults to "a/".
+
+diff.dstPrefix::
+ If set, 'git diff' uses this destination prefix. Defaults to "b/".
+
diff.relative::
If set to 'true', 'git diff' does not show changes outside of the directory
and show pathnames relative to the current directory.
--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`.
+ This overrides configuration variables such as `diff.noprefix`,
+ `diff.srcPrefix`, `diff.dstPrefix`, and `diff.mnemonicPrefix`
+ (see `git-config`(1)).
--line-prefix=<prefix>::
Prepend an additional prefix to every line of output.
int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
static int diff_no_prefix;
+static const char *diff_src_prefix = "a/";
+static const char *diff_dst_prefix = "b/";
static int diff_relative;
static int diff_stat_name_width;
static int diff_stat_graph_width;
diff_no_prefix = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.srcprefix")) {
+ return git_config_string(&diff_src_prefix, var, value);
+ }
+ if (!strcmp(var, "diff.dstprefix")) {
+ return git_config_string(&diff_dst_prefix, var, value);
+ }
if (!strcmp(var, "diff.relative")) {
diff_relative = git_config_bool(var, value);
return 0;
void diff_set_default_prefix(struct diff_options *options)
{
- options->a_prefix = "a/";
- options->b_prefix = "b/";
+ options->a_prefix = diff_src_prefix;
+ options->b_prefix = diff_dst_prefix;
}
struct userdiff_driver *get_textconv(struct repository *r,
BUG_ON_OPT_NEG(unset);
BUG_ON_OPT_ARG(optarg);
+ diff_src_prefix = "a/";
+ diff_dst_prefix = "b/";
diff_set_default_prefix(options);
return 0;
}
check_prefix actual a/file0 b/file0
'
+test_expect_success 'diff respects diff.srcprefix' '
+ git -c diff.srcprefix=x/ diff >actual &&
+ check_prefix actual x/file0 b/file0
+'
+
+test_expect_success 'diff respects diff.dstprefix' '
+ git -c diff.dstprefix=y/ diff >actual &&
+ check_prefix actual a/file0 y/file0
+'
+
+test_expect_success 'diff --src-prefix overrides diff.srcprefix' '
+ git -c diff.srcprefix=y/ diff --src-prefix=z/ >actual &&
+ check_prefix actual z/file0 b/file0
+'
+
+test_expect_success 'diff --dst-prefix overrides diff.dstprefix' '
+ git -c diff.dstprefix=y/ diff --dst-prefix=z/ >actual &&
+ check_prefix actual a/file0 z/file0
+'
+
+test_expect_success 'diff.{src,dst}prefix ignored with diff.noprefix' '
+ git -c diff.dstprefix=y/ -c diff.srcprefix=x/ -c diff.noprefix diff >actual &&
+ check_prefix actual file0 file0
+'
+
+test_expect_success 'diff.{src,dst}prefix ignored with diff.mnemonicprefix' '
+ git -c diff.dstprefix=x/ -c diff.srcprefix=y/ -c diff.mnemonicprefix diff >actual &&
+ check_prefix actual i/file0 w/file0
+'
+
+test_expect_success 'diff.{src,dst}prefix ignored with --default-prefix' '
+ git -c diff.dstprefix=x/ -c diff.srcprefix=y/ diff --default-prefix >actual &&
+ check_prefix actual a/file0 b/file0
+'
+
test_expect_success 'diff --no-renames cannot be abbreviated' '
test_expect_code 129 git diff --no-rename >actual 2>error &&
test_must_be_empty actual &&