The `diff.relative` boolean option set to `true` show only changes on
the current directory and show relative pathnames to the current
directory.
Teach --no-relative to override earlier --relative
Signed-off-by: Laurent Arnoud <laurent@xxxxxxxxxx>
---
Documentation/config/diff.txt | 4 ++
Documentation/diff-options.txt | 2 +
diff.c | 10 ++++
t/t9904-diff-relative-config.sh | 93 +++++++++++++++++++++++++++++++++
4 files changed, 109 insertions(+)
create mode 100755 t/t9904-diff-relative-config.sh
diff --git a/Documentation/config/diff.txt b/Documentation/config/diff.txt
index ff09f1cf73..76537c3b0c 100644
--- a/Documentation/config/diff.txt
+++ b/Documentation/config/diff.txt
@@ -105,6 +105,10 @@ diff.mnemonicPrefix::
diff.noprefix::
If set, 'git diff' does not show any source or destination prefix.
+diff.relative::
+ If set to "true", 'git diff' does not show changes outside of the directory
+ and show pathnames relative to the current directory.
+
diff.orderFile::
File indicating how to order files within a diff.
See the '-O' option to linkgit:git-diff[1] for details.
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index bb31f0c42b..fdc5aefa37 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -651,6 +651,8 @@ ifndef::git-format-patch[]
not in a subdirectory (e.g. in a bare repository), you
can name which subdirectory to make the output relative
to by giving a <path> as an argument.
+--no-relative::
+ Turn off relative pathnames and include all changes in the repository.
endif::git-format-patch[]
-a::
diff --git a/diff.c b/diff.c
index d1ad6a3c4a..c4dcf01ec0 100644
--- a/diff.c
+++ b/diff.c
@@ -48,6 +48,7 @@ static const char *diff_order_file_cfg;
int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
static int diff_no_prefix;
+static int diff_relative;
static int diff_stat_graph_width;
static int diff_dirstat_permille_default = 30;
static struct diff_options default_diff_options;
@@ -386,6 +387,10 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
diff_no_prefix = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.relative")) {
+ diff_relative = git_config_bool(var, value);
+ return 0;
+ }
if (!strcmp(var, "diff.statgraphwidth")) {
diff_stat_graph_width = git_config_int(var, value);
return 0;
@@ -4558,6 +4563,8 @@ void repo_diff_setup(struct repository *r, struct diff_options *options)
options->b_prefix = "b/";
}
+ options->flags.relative_name = diff_relative;
+
options->color_moved = diff_color_moved_default;
options->color_moved_ws_handling = diff_color_moved_ws_default;
@@ -5494,6 +5501,9 @@ static void prep_parse_options(struct diff_options *options)
N_("when run from subdir, exclude changes outside and show relative paths"),
PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
diff_opt_relative),
+ OPT_SET_INT_F(0, "no-relative", &options->flags.relative_name,
+ N_("disable diff.relative config option"),
+ 0, PARSE_OPT_NONEG),
OPT_BOOL('a', "text", &options->flags.text,
N_("treat all files as text")),
OPT_BOOL('R', NULL, &options->flags.reverse_diff,
diff --git a/t/t9904-diff-relative-config.sh b/t/t9904-diff-relative-config.sh
new file mode 100755
index 0000000000..23ab1af5e0
--- /dev/null
+++ b/t/t9904-diff-relative-config.sh
@@ -0,0 +1,93 @@
+#!/bin/sh
+
+test_description='config diff.relative'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ git commit --allow-empty -m empty &&
+ echo content >file1 &&
+ mkdir subdir &&
+ echo other content >subdir/file2 &&
+ git add . &&
+ git commit -m one
+'
+
+check_diff_relative () {
+ dir=$1
+ shift
+ expect=$1
+ shift
+ relative_opt=$1
+ shift
+ short_blob=$(git rev-parse --short "$(git hash-object subdir/file2)")
+ cat >expected <<-EOF
+ diff --git a/$expect b/$expect
+ new file mode 100644
+ index 0000000..$short_blob
+ --- /dev/null
+ +++ b/$expect
+ @@ -0,0 +1 @@
+ +other content
+ EOF
+ test_expect_success "config.relative $relative_opt -p $*" "
+ test_config -C $dir diff.relative $relative_opt &&
+ git -C '$dir' diff -p $* HEAD^ >actual &&
+ test_cmp expected actual
+ "
+}
+
+check_diff_no_relative () {
+ dir=$1
+ shift
+ expect=$1
+ shift
+ relative_opt=$1
+ shift
+ short_blob_file1=$(git rev-parse --short "$(git hash-object file1)")
+ short_blob_file2=$(git rev-parse --short "$(git hash-object subdir/file2)")
+ cat >expected <<-EOF
+ diff --git a/file1 b/file1
+ new file mode 100644
+ index 0000000..$short_blob_file1
+ --- /dev/null
+ +++ b/file1
+ @@ -0,0 +1 @@
+ +content
+ diff --git a/$expect b/$expect
+ new file mode 100644
+ index 0000000..$short_blob_file2
+ --- /dev/null
+ +++ b/$expect
+ @@ -0,0 +1 @@
+ +other content
+ EOF
+ cat expected
+ test_expect_success "config.relative $relative_opt -p $*" "
+ test_config -C $dir diff.relative $relative_opt &&
+ git -C '$dir' diff -p $* HEAD^ >actual &&
+ git -C '$dir' diff -p $* HEAD^ >/tmp/actual &&
+ test_cmp expected actual
+ "
+}
+
+check_diff_relative . file2 false --relative=subdir/
+check_diff_relative . file2 false --relative=subdir
+check_diff_relative . file2 true --relative=subdir/
+check_diff_relative . file2 true --relative=subdir
+check_diff_relative subdir file2 false --relative
+check_diff_relative subdir file2 true --relative
+check_diff_relative subdir file2 true
+check_diff_relative subdir file2 false --no-relative --relative
+check_diff_relative subdir file2 true --no-relative --relative
+check_diff_relative . file2 false --no-relative --relative=subdir
+check_diff_relative . file2 true --no-relative --relative=subdir
+
+check_diff_no_relative . subdir/file2 false
+check_diff_no_relative . subdir/file2 true --no-relative
+check_diff_no_relative . subdir/file2 false --no-relative
+check_diff_no_relative subdir subdir/file2 false
+check_diff_no_relative subdir subdir/file2 true --no-relative
+check_diff_no_relative subdir subdir/file2 false --no-relative
+
+test_done
--
2.26.2
