Re: [PATCH v4] diff: add config option relative
- From
Laurent Arnoud <laurent@spkdev.net>
- Date
- May 16, 2020, 19:40 UTC
- Message-ID
- <20200516194033.GA2252@spk-laptop>
- In-Reply-To
- <92cb6302-09a8-6780-9398-890b1e766680@gmail.com>
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@spkdev.net> --- Documentation/config/diff.txt | 4 ++ Documentation/diff-options.txt | 3 ++ diff.c | 16 ++++-- t/t9904-diff-relative-config.sh | 93 +++++++++++++++++++++++++++++++++ 4 files changed, 113 insertions(+), 3 deletions(-) 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..1b279904eb 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -651,6 +651,9 @@ 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. + This can be used to override configuration settings `diff.relative`. endif::git-format-patch[] -a:: diff --git a/diff.c b/diff.c index d1ad6a3c4a..af28e39785 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; @@ -5195,8 +5202,11 @@ static int diff_opt_relative(const struct option *opt, { struct diff_options *options = opt->value; - BUG_ON_OPT_NEG(unset); - options->flags.relative_name = 1; + if (unset) { + options->flags.relative_name = 0; + } else { + options->flags.relative_name = 1; + } if (arg) options->prefix = arg; return 0; @@ -5492,7 +5502,7 @@ static void prep_parse_options(struct diff_options *options) OPT_GROUP(N_("Other diff options")), OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"), N_("when run from subdir, exclude changes outside and show relative paths"), - PARSE_OPT_NONEG | PARSE_OPT_OPTARG, + PARSE_OPT_OPTARG, diff_opt_relative), OPT_BOOL('a', "text", &options->flags.text, N_("treat all files as text")), 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