From c47ef57caaa2b17d32b343fbe652f33b31c81362 Mon Sep 17 00:00:00 2001 From: Ramkumar Ramachandra Date: Tue, 13 Nov 2012 21:12:45 +0530 Subject: [PATCH] diff: introduce diff.submodule configuration variable Introduce a diff.submodule configuration variable corresponding to the '--submodule' command-line option of 'git diff'. Signed-off-by: Ramkumar Ramachandra Acked-by: Jeff King Signed-off-by: Junio C Hamano --- Documentation/diff-config.txt | 7 +++++++ Documentation/diff-options.txt | 3 ++- diff.c | 32 ++++++++++++++++++++++++++++---- t/t4041-diff-submodule-option.sh | 29 ++++++++++++++++++++++++++++- 4 files changed, 65 insertions(+), 6 deletions(-) diff --git a/Documentation/diff-config.txt b/Documentation/diff-config.txt index decd3701e..89dd63467 100644 --- a/Documentation/diff-config.txt +++ b/Documentation/diff-config.txt @@ -107,6 +107,13 @@ diff.suppressBlankEmpty:: A boolean to inhibit the standard behavior of printing a space before each empty output line. Defaults to false. +diff.submodule:: + Specify the format in which differences in submodules are + shown. The "log" format lists the commits in the range like + linkgit:git-submodule[1] `summary` does. The "short" format + format just shows the names of the commits at the beginning + and end of the range. Defaults to short. + diff.wordRegex:: A POSIX Extended Regular Expression used to determine what is a "word" when performing word-by-word difference calculations. Character diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index cf4b21659..f4f7e250c 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -170,7 +170,8 @@ any of those replacements occurred. the commits in the range like linkgit:git-submodule[1] `summary` does. Omitting the `--submodule` option or specifying `--submodule=short`, uses the 'short' format. This format just shows the names of the commits - at the beginning and end of the range. + at the beginning and end of the range. Can be tweaked via the + `diff.submodule` configuration variable. --color[=]:: Show colored diff. diff --git a/diff.c b/diff.c index 86e5f2a4a..178df851a 100644 --- a/diff.c +++ b/diff.c @@ -121,6 +121,17 @@ static int parse_dirstat_params(struct diff_options *options, const char *params return ret; } +static int parse_submodule_params(struct diff_options *options, const char *value) +{ + if (!strcmp(value, "log")) + DIFF_OPT_SET(options, SUBMODULE_LOG); + else if (!strcmp(value, "short")) + DIFF_OPT_CLR(options, SUBMODULE_LOG); + else + return -1; + return 0; +} + static int git_config_rename(const char *var, const char *value) { if (!value) @@ -176,6 +187,13 @@ int git_diff_ui_config(const char *var, const char *value, void *cb) if (!strcmp(var, "diff.ignoresubmodules")) handle_ignore_submodules_arg(&default_diff_options, value); + if (!strcmp(var, "diff.submodule")) { + if (parse_submodule_params(&default_diff_options, value)) + warning(_("Unknown value for 'diff.submodule' config variable: '%s'"), + value); + return 0; + } + if (git_color_config(var, value, cb) < 0) return -1; @@ -3473,6 +3491,14 @@ static int parse_dirstat_opt(struct diff_options *options, const char *params) return 1; } +static int parse_submodule_opt(struct diff_options *options, const char *value) +{ + if (parse_submodule_params(options, value)) + die(_("Failed to parse --submodule option parameter: '%s'"), + value); + return 1; +} + int diff_opt_parse(struct diff_options *options, const char **av, int ac) { const char *arg = av[0]; @@ -3653,10 +3679,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) handle_ignore_submodules_arg(options, arg + 20); } else if (!strcmp(arg, "--submodule")) DIFF_OPT_SET(options, SUBMODULE_LOG); - else if (!prefixcmp(arg, "--submodule=")) { - if (!strcmp(arg + 12, "log")) - DIFF_OPT_SET(options, SUBMODULE_LOG); - } + else if (!prefixcmp(arg, "--submodule=")) + return parse_submodule_opt(options, arg + 12); /* misc options */ else if (!strcmp(arg, "-z")) diff --git a/t/t4041-diff-submodule-option.sh b/t/t4041-diff-submodule-option.sh index 6c01d0c05..876800ff2 100755 --- a/t/t4041-diff-submodule-option.sh +++ b/t/t4041-diff-submodule-option.sh @@ -33,6 +33,7 @@ test_create_repo sm1 && add_file . foo >/dev/null head1=$(add_file sm1 foo1 foo2) +fullhead1=$(cd sm1; git rev-list --max-count=1 $head1) test_expect_success 'added submodule' " git add sm1 && @@ -43,6 +44,33 @@ EOF test_cmp expected actual " +test_expect_success 'added submodule, set diff.submodule' " + git config diff.submodule log && + git add sm1 && + git diff --cached >actual && + cat >expected <<-EOF && +Submodule sm1 0000000...$head1 (new submodule) +EOF + git config --unset diff.submodule && + test_cmp expected actual +" + +test_expect_success '--submodule=short overrides diff.submodule' " + test_config diff.submodule log && + git add sm1 && + git diff --submodule=short --cached >actual && + cat >expected <<-EOF && +diff --git a/sm1 b/sm1 +new file mode 160000 +index 0000000..a2c4dab +--- /dev/null ++++ b/sm1 +@@ -0,0 +1 @@ ++Subproject commit $fullhead1 +EOF + test_cmp expected actual +" + commit_file sm1 && head2=$(add_file sm1 foo3) @@ -73,7 +101,6 @@ EOF test_cmp expected actual " -fullhead1=$(cd sm1; git rev-list --max-count=1 $head1) fullhead2=$(cd sm1; git rev-list --max-count=1 $head2) test_expect_success 'modified submodule(forward) --submodule=short' " git diff --submodule=short >actual && -- 2.26.2