Introduce a new "set" subcommand to git-config(1). Please refer to preceding commits regarding the motivation behind this change. Signed-off-by: Patrick Steinhardt <ps@xxxxxx> --- Documentation/git-config.txt | 38 +++++++++------ builtin/config.c | 57 ++++++++++++++++++++++ t/t1300-config.sh | 92 +++++++++++++++++++----------------- 3 files changed, 129 insertions(+), 58 deletions(-) diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt index f3d5e3e613..e540f41b56 100644 --- a/Documentation/git-config.txt +++ b/Documentation/git-config.txt @@ -11,9 +11,7 @@ SYNOPSIS [verse] 'git config list' [<file-option>] [<display-option>] [--includes] 'git config get' [<file-option>] [<display-option>] [--includes] [--all] [--regexp=<regexp>] [--value=<value>] [--fixed-value] [--default=<default>] <name> -'git config' [<file-option>] [--type=<type>] [--fixed-value] [--show-origin] [--show-scope] [-z|--null] <name> [<value> [<value-pattern>]] -'git config' [<file-option>] [--type=<type>] --add <name> <value> -'git config' [<file-option>] [--type=<type>] [--fixed-value] --replace-all <name> <value> [<value-pattern>] +'git config set' [<file-option>] [--type=<type>] [--all] [--value=<value>] [--fixed-value] <name> <value> 'git config' [<file-option>] [--fixed-value] --unset <name> [<value-pattern>] 'git config' [<file-option>] [--fixed-value] --unset-all <name> [<value-pattern>] 'git config' [<file-option>] --rename-section <old-name> <new-name> @@ -27,7 +25,7 @@ You can query/set/replace/unset options with this command. The name is actually the section and the key separated by a dot, and the value will be escaped. -Multiple lines can be added to an option by using the `--add` option. +Multiple lines can be added to an option by using the `--append` option. If you want to update or unset an option which can occur on multiple lines, a `value-pattern` (which is an extended regular expression, unless the `--fixed-value` option is given) needs to be given. Only the @@ -82,6 +80,13 @@ get:: last value if multiple key values were found. If `--all` is set, then all values will be shown. +set:: + Set value for one or more config options. By default, this command + refuses to write multi-valued config options. Passing `--all` will + replace all multi-valued config options with the new value, whereas + `--value=` will replace all config options whose values match the given + pattern. + [[OPTIONS]] OPTIONS ------- @@ -90,10 +95,9 @@ OPTIONS Default behavior is to replace at most one line. This replaces all lines matching the key (and optionally the `value-pattern`). ---add:: +--append:: Adds a new line to the option without altering any existing - values. This is the same as providing '^$' as the `value-pattern` - in `--replace-all`. + values. This is the same as providing '--value=^$' in `set`. --all:: With "get", Return all values for a multi-valued key. @@ -283,6 +287,9 @@ recommended to migrate to the new syntax. 'git config <name>':: Replaced by `git config get <name>`. +'git config <name> <value> [<value-pattern>]':: + Replaced by `git config set [--value=<pattern>] <name> <value>`. + -l:: --list:: Replaced by `git config list`. @@ -302,6 +309,9 @@ recommended to migrate to the new syntax. --get-color <name> [<default>]:: Replaced by `git config get --type=color [--default=<default>] <name>`. +--add <name> <value>:: + Replaced by `git config set --append <name> <value>`. + CONFIGURATION ------------- `pager.config` is only respected when listing configuration, i.e., when @@ -348,7 +358,7 @@ precedence over values read earlier. When multiple values are taken then all values of a key from all files will be used. By default, options are only written to the repository specific -configuration file. Note that this also affects options like `--replace-all` +configuration file. Note that this also affects options like `set` and `--unset`. *'git config' will only ever change one file at a time*. You can limit which configuration sources are read from or written to by @@ -484,7 +494,7 @@ Given a .git/config like this: you can set the filemode to true with ------------ -% git config core.filemode true +% git config set core.filemode true ------------ The hypothetical proxy command entries actually have a postfix to discern @@ -492,7 +502,7 @@ what URL they apply to. Here is how to change the entry for kernel.org to "ssh". ------------ -% git config core.gitproxy '"ssh" for kernel.org' 'for kernel.org$' +% git config set --value='for kernel.org$' core.gitproxy '"ssh" for kernel.org' ------------ This makes sure that only the key/value pair for kernel.org is replaced. @@ -534,26 +544,26 @@ If you like to live dangerously, you can replace *all* core.gitproxy by a new one with ------------ -% git config --replace-all core.gitproxy ssh +% git config set --all core.gitproxy ssh ------------ However, if you really only want to replace the line for the default proxy, i.e. the one without a "for ..." postfix, do something like this: ------------ -% git config core.gitproxy ssh '! for ' +% git config set --value='! for ' core.gitproxy ssh ------------ To actually match only values with an exclamation mark, you have to ------------ -% git config section.key value '[!]' +% git config set --value='[!]' section.key value ------------ To add a new proxy, without altering any of the existing ones, use ------------ -% git config --add core.gitproxy '"proxy-command" for example.com' +% git config set --append core.gitproxy '"proxy-command" for example.com' ------------ An example to use customized color from the configuration in your diff --git a/builtin/config.c b/builtin/config.c index aaa8b15e86..18f6dc69d5 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -18,6 +18,7 @@ static const char *const builtin_config_usage[] = { N_("git config list [<file-option>] [<display-option>] [--includes]"), N_("git config get [<file-option>] [<display-option>] [--includes] [--all] [--regexp=<regexp>] [--value=<value>] [--fixed-value] [--default=<default>] <name>"), + N_("git config set [<file-option>] [--type=<type>] [--all] [--value=<value>] [--fixed-value] <name> <value>"), NULL }; @@ -31,6 +32,11 @@ static const char *const builtin_config_get_usage[] = { NULL }; +static const char *const builtin_config_set_usage[] = { + N_("git config set [<file-option>] [--type=<type>] [--all] [--value=<value>] [--fixed-value] <name> <value>"), + NULL +}; + static char *key; static regex_t *key_regexp; static const char *value_pattern; @@ -847,9 +853,60 @@ static int cmd_config_get(int argc, const char **argv, const char *prefix) return get_value(argv[0], value_pattern, flags); } +static int cmd_config_set(int argc, const char **argv, const char *prefix) +{ + const char *value_pattern = NULL; + int flags = 0, append = 0; + struct option opts[] = { + CONFIG_LOCATION_OPTIONS, + CONFIG_TYPE_OPTIONS, + OPT_GROUP(N_("Filter")), + OPT_BIT(0, "all", &flags, N_("replace multi-valued config option with new value"), CONFIG_FLAGS_MULTI_REPLACE), + OPT_STRING(0, "value", &value_pattern, N_("pattern"), N_("show config with values matching the pattern")), + OPT_BIT(0, "fixed-value", &flags, N_("use string equality when comparing values to value pattern"), CONFIG_FLAGS_FIXED_VALUE), + OPT_GROUP(N_("Other")), + OPT_BOOL(0, "append", &append, N_("add a new line without altering any existing values")), + OPT_END(), + }; + struct key_value_info default_kvi = KVI_INIT; + char *value; + int ret; + + argc = parse_options(argc, argv, prefix, opts, builtin_config_set_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + check_write(); + check_argc(argc, 2, 2); + + if ((flags & CONFIG_FLAGS_FIXED_VALUE) && !value_pattern) + die(_("--fixed-value only applies with --value=<pattern>")); + if (append && value_pattern) + die(_("--append cannot be used with --value=<pattern>")); + if (append) + value_pattern = CONFIG_REGEX_NONE; + + handle_config_location(prefix); + + value = normalize_value(argv[0], argv[1], &default_kvi); + + if ((flags & CONFIG_FLAGS_MULTI_REPLACE) || value_pattern) { + ret = git_config_set_multivar_in_file_gently(given_config_source.file, + argv[0], value, value_pattern, + flags); + } else { + ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value); + if (ret == CONFIG_NOTHING_SET) + error(_("cannot overwrite multiple values with a single value\n" + " Use a regexp, --add or --replace-all to change %s."), argv[0]); + } + + free(value); + return ret; +} + static struct option builtin_subcommand_options[] = { OPT_SUBCOMMAND("list", &subcommand, cmd_config_list), OPT_SUBCOMMAND("get", &subcommand, cmd_config_get), + OPT_SUBCOMMAND("set", &subcommand, cmd_config_set), OPT_END(), }; diff --git a/t/t1300-config.sh b/t/t1300-config.sh index 7f6746936e..2c2d97e0e9 100755 --- a/t/t1300-config.sh +++ b/t/t1300-config.sh @@ -20,12 +20,16 @@ legacy) mode_get="" mode_get_all="--get-all" mode_get_regexp="--get-regexp" + mode_set="" + mode_replace_all="--replace-all" ;; subcommands) mode_prefix="" mode_get="get" mode_get_all="get --all" mode_get_regexp="get --regexp --all --show-names" + mode_set="set" + mode_replace_all="set --all" ;; *) echo "unknown mode $mode" >&2 @@ -41,7 +45,7 @@ cat > expect << EOF penguin = little blue EOF test_expect_success 'initial' ' - git config section.penguin "little blue" && + git config ${mode_set} section.penguin "little blue" && test_cmp expect .git/config ' @@ -51,7 +55,7 @@ cat > expect << EOF Movie = BadPhysics EOF test_expect_success 'mixed case' ' - git config Section.Movie BadPhysics && + git config ${mode_set} Section.Movie BadPhysics && test_cmp expect .git/config ' @@ -63,7 +67,7 @@ cat > expect << EOF WhatEver = Second EOF test_expect_success 'similar section' ' - git config Sections.WhatEver Second && + git config ${mode_set} Sections.WhatEver Second && test_cmp expect .git/config ' @@ -76,7 +80,7 @@ cat > expect << EOF WhatEver = Second EOF test_expect_success 'uppercase section' ' - git config SECTION.UPPERCASE true && + git config ${mode_set} SECTION.UPPERCASE true && test_cmp expect .git/config ' @@ -192,14 +196,14 @@ test_expect_success 'multiple unset is correct' ' cp .git/config2 .git/config test_expect_success '--replace-all missing value' ' - test_must_fail git config --replace-all beta.haha && + test_must_fail git config ${mode_replace_all} beta.haha && test_cmp .git/config2 .git/config ' rm .git/config2 test_expect_success '--replace-all' ' - git config --replace-all beta.haha gamma + git config ${mode_replace_all} beta.haha gamma ' cat > expect << EOF @@ -226,7 +230,7 @@ noIndent= sillyValue ; 'nother silly comment [nextSection] noNewline = ouch EOF test_expect_success 'really mean test' ' - git config beta.haha alpha && + git config ${mode_set} beta.haha alpha && test_cmp expect .git/config ' @@ -241,7 +245,7 @@ noIndent= sillyValue ; 'nother silly comment nonewline = wow EOF test_expect_success 'really really mean test' ' - git config nextsection.nonewline wow && + git config ${mode_set} nextsection.nonewline wow && test_cmp expect .git/config ' @@ -715,16 +719,16 @@ EOF test_expect_success 'section ending' ' rm -f .git/config && - git config gitcvs.enabled true && - git config gitcvs.ext.dbname %Ggitcvs1.%a.%m.sqlite && - git config gitcvs.dbname %Ggitcvs2.%a.%m.sqlite && + git config ${mode_set} gitcvs.enabled true && + git config ${mode_set} gitcvs.ext.dbname %Ggitcvs1.%a.%m.sqlite && + git config ${mode_set} gitcvs.dbname %Ggitcvs2.%a.%m.sqlite && test_cmp expect .git/config ' test_expect_success numbers ' - git config kilo.gram 1k && - git config mega.ton 1m && + git config ${mode_set} kilo.gram 1k && + git config ${mode_set} mega.ton 1m && echo 1024 >expect && echo 1048576 >>expect && git config --int --get kilo.gram >actual && @@ -733,20 +737,20 @@ test_expect_success numbers ' ' test_expect_success '--int is at least 64 bits' ' - git config giga.watts 121g && + git config ${mode_set} giga.watts 121g && echo >expect && test_cmp_config 129922760704 --int --get giga.watts ' test_expect_success 'invalid unit' ' - git config aninvalid.unit "1auto" && + git config ${mode_set} aninvalid.unit "1auto" && test_cmp_config 1auto aninvalid.unit && test_must_fail git config --int --get aninvalid.unit 2>actual && test_grep "bad numeric config value .1auto. for .aninvalid.unit. in file .git/config: invalid unit" actual ' test_expect_success 'invalid unit boolean' ' - git config commit.gpgsign "1true" && + git config ${mode_set} commit.gpgsign "1true" && test_cmp_config 1true commit.gpgsign && test_must_fail git config --bool --get commit.gpgsign 2>actual && test_grep "bad boolean config value .1true. for .commit.gpgsign." actual @@ -776,14 +780,14 @@ EOF test_expect_success bool ' - git config bool.true1 01 && - git config bool.true2 -1 && - git config bool.true3 YeS && - git config bool.true4 true && - git config bool.false1 000 && - git config bool.false2 "" && - git config bool.false3 nO && - git config bool.false4 FALSE && + git config ${mode_set} bool.true1 01 && + git config ${mode_set} bool.true2 -1 && + git config ${mode_set} bool.true3 YeS && + git config ${mode_set} bool.true4 true && + git config ${mode_set} bool.false1 000 && + git config ${mode_set} bool.false2 "" && + git config ${mode_set} bool.false3 nO && + git config ${mode_set} bool.false4 FALSE && rm -f result && for i in 1 2 3 4 do @@ -794,7 +798,7 @@ test_expect_success bool ' test_expect_success 'invalid bool (--get)' ' - git config bool.nobool foobar && + git config ${mode_set} bool.nobool foobar && test_must_fail git config --bool --get bool.nobool' test_expect_success 'invalid bool (set)' ' @@ -983,7 +987,7 @@ test_expect_success 'get --expiry-date' ' test_expect_success 'get --type=color' ' rm .git/config && - git config foo.color "red" && + git config ${mode_set} foo.color "red" && git config --get --type=color foo.color >actual.raw && test_decode_color <actual.raw >actual && echo "<RED>" >expect && @@ -1020,10 +1024,10 @@ cat > expect << EOF EOF test_expect_success 'quoting' ' rm -f .git/config && - git config quote.leading " test" && - git config quote.ending "test " && - git config quote.semicolon "test;test" && - git config quote.hash "test#test" && + git config ${mode_set} quote.leading " test" && + git config ${mode_set} quote.ending "test " && + git config ${mode_set} quote.semicolon "test;test" && + git config ${mode_set} quote.hash "test#test" && test_cmp expect .git/config ' @@ -1031,7 +1035,7 @@ test_expect_success 'key with newline' ' test_must_fail git config ${mode_get} "key.with newline" 123' -test_expect_success 'value with newline' 'git config key.sub value.with\\\ +test_expect_success 'value with newline' 'git config ${mode_set} key.sub value.with\\\ newline' cat > .git/config <<\EOF @@ -1089,7 +1093,7 @@ test_expect_success '--null --get-regexp' ' ' test_expect_success 'inner whitespace kept verbatim' ' - git config section.val "foo bar" && + git config ${mode_set} section.val "foo bar" && test_cmp_config "foo bar" section.val ' @@ -1127,12 +1131,12 @@ test_expect_success 'check split_cmdline return' ' git init repo && ( cd repo && - git config alias.split-cmdline-fix "echo \"" && + git config ${mode_set} alias.split-cmdline-fix "echo \"" && test_must_fail git split-cmdline-fix && echo foo >foo && git add foo && git commit -m "initial commit" && - git config branch.main.mergeoptions "echo \"" && + git config ${mode_set} branch.main.mergeoptions "echo \"" && test_must_fail git merge main ) ' @@ -1170,12 +1174,12 @@ test_expect_success 'key sanity-checking' ' test_must_fail git config ${mode_get} foo.1bar && test_must_fail git config ${mode_get} foo."ba z".bar && - test_must_fail git config . false && - test_must_fail git config .foo false && - test_must_fail git config foo. false && - test_must_fail git config .foo. false && - git config foo.bar true && - git config foo."ba =z".bar false + test_must_fail git config ${mode_set} . false && + test_must_fail git config ${mode_set} .foo false && + test_must_fail git config ${mode_set} foo. false && + test_must_fail git config ${mode_set} .foo. false && + git config ${mode_set} foo.bar true && + git config ${mode_set} foo."ba =z".bar false ' test_expect_success 'git -c works with aliases of builtins' ' @@ -2398,7 +2402,7 @@ test_expect_success '--replace-all does not invent newlines' ' [abc] Qkey = b EOF - git config --replace-all abc.key b && + git config ${mode_replace_all} abc.key b && test_cmp expect .git/config ' @@ -2470,8 +2474,8 @@ test_expect_success 'refuse --fixed-value for incompatible actions' ' test_must_fail git config --file=config --fixed-value --get-colorbool dev.null && # These modes complain when --fixed-value has no value-pattern - test_must_fail git config --file=config --fixed-value dev.null bogus && - test_must_fail git config --file=config --fixed-value --replace-all dev.null bogus && + test_must_fail git config ${mode_set} --file=config --fixed-value dev.null bogus && + test_must_fail git config ${mode_replace_all} --file=config --fixed-value dev.null bogus && test_must_fail git config ${mode_prefix}get --file=config --fixed-value dev.null && test_must_fail git config ${mode_get_all} --file=config --fixed-value dev.null && test_must_fail git config ${mode_get_regexp} --file=config --fixed-value "dev.*" && @@ -2512,7 +2516,7 @@ test_expect_success '--fixed-value uses exact string matching' ' test_must_fail git config ${mode_get} --file=config fixed.test && cp initial config && - git config --file=config --replace-all fixed.test bogus "$META" && + git config --file=config fixed.test bogus "$META" && git config ${mode_prefix}list --file=config >actual && cat >expect <<-EOF && fixed.test=$META -- 2.44.0
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