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config: stop using config_exclusive_filename 

The git-config command sometimes operates on the default set
of config files (either reading from all, or writing to repo
config), and sometimes operates on a specific file. In the
latter case, we set the magic global config_exclusive_filename,
and the code in config.c does the right thing.

Instead, let's have git-config use the "advanced" variants
of config.c's functions which let it specify an individual
filename (or NULL for the default). This makes the code a
lot more obvious, and fixes two small bugs:

  1. A relative path specified by GIT_CONFIG=foo will look
     in the wrong directory if we have to chdir as part of
     repository setup. We already handle this properly for
     "git config -f foo", but the GIT_CONFIG lookup used
     config_exclusive_filename directly. By dropping to a
     single magic variable, the GIT_CONFIG case now just
     works.

  2. Calling "git config -f foo --edit" would not respect
     core.editor. This is because just before editing, we
     called git_config, which would respect the
     config_exclusive_filename setting, even though this
     particular git_config call was not about looking in the
     user's specified file, but rather about loading actual
     git config, just as any other git program would.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2012-02-16 03:07:32 -05:00 committed by Junio C Hamano
parent c9b5e2a57d
commit 270a34438b
2 changed files with 60 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
builtin/config.c
View File

@ -162,7 +162,7 @@ static int get_value(const char *key_, const char *regex_)
char *global = NULL, *repo_config = NULL;
const char *system_wide = NULL, *local;
local = config_exclusive_filename;
local = given_config_file;
if (!local) {
const char *home = getenv("HOME");
local = repo_config = git_pathdup("config");
@ -301,7 +301,8 @@ static void get_color(const char *def_color)
{
get_color_found = 0;
parsed_color[0] = '\0';
git_config(git_get_color_config, NULL);
git_config_with_options(git_get_color_config, NULL,
given_config_file);
if (!get_color_found && def_color)
color_parse(def_color, "command line", parsed_color);
@ -328,7 +329,8 @@ static int get_colorbool(int print)
{
get_colorbool_found = -1;
get_diff_color_found = -1;
git_config(git_get_colorbool_config, NULL);
git_config_with_options(git_get_colorbool_config, NULL,
given_config_file);
if (get_colorbool_found < 0) {
if (!strcmp(get_colorbool_slot, "color.diff"))
@ -351,7 +353,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
int nongit = !startup_info->have_repository;
char *value;
config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
given_config_file = getenv(CONFIG_ENVIRONMENT);
argc = parse_options(argc, argv, prefix, builtin_config_options,
builtin_config_usage,
@ -366,23 +368,23 @@ int cmd_config(int argc, const char **argv, const char *prefix)
char *home = getenv("HOME");
if (home) {
char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
config_exclusive_filename = user_config;
given_config_file = user_config;
} else {
die("$HOME not set");
}
}
else if (use_system_config)
config_exclusive_filename = git_etc_gitconfig();
given_config_file = git_etc_gitconfig();
else if (use_local_config)
config_exclusive_filename = git_pathdup("config");
given_config_file = git_pathdup("config");
else if (given_config_file) {
if (!is_absolute_path(given_config_file) && prefix)
config_exclusive_filename =
given_config_file =
xstrdup(prefix_filename(prefix,
strlen(prefix),
given_config_file));
else
config_exclusive_filename = given_config_file;
given_config_file = given_config_file;
}
if (end_null) {
@ -421,28 +423,29 @@ int cmd_config(int argc, const char **argv, const char *prefix)
if (actions == ACTION_LIST) {
check_argc(argc, 0, 0);
if (git_config(show_all_config, NULL) < 0) {
if (config_exclusive_filename)
if (git_config_with_options(show_all_config, NULL,
given_config_file) < 0) {
if (given_config_file)
die_errno("unable to read config file '%s'",
config_exclusive_filename);
given_config_file);
else
die("error processing config file(s)");
}
}
else if (actions == ACTION_EDIT) {
check_argc(argc, 0, 0);
if (!config_exclusive_filename && nongit)
if (!given_config_file && nongit)
die("not in a git directory");
git_config(git_default_config, NULL);
launch_editor(config_exclusive_filename ?
config_exclusive_filename : git_path("config"),
launch_editor(given_config_file ?
given_config_file : git_path("config"),
NULL, NULL);
}
else if (actions == ACTION_SET) {
int ret;
check_argc(argc, 2, 2);
value = normalize_value(argv[0], argv[1]);
ret = git_config_set(argv[0], value);
ret = git_config_set_in_file(given_config_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]);
@ -451,17 +454,20 @@ int cmd_config(int argc, const char **argv, const char *prefix)
else if (actions == ACTION_SET_ALL) {
check_argc(argc, 2, 3);
value = normalize_value(argv[0], argv[1]);
return git_config_set_multivar(argv[0], value, argv[2], 0);
return git_config_set_multivar_in_file(given_config_file,
argv[0], value, argv[2], 0);
}
else if (actions == ACTION_ADD) {
check_argc(argc, 2, 2);
value = normalize_value(argv[0], argv[1]);
return git_config_set_multivar(argv[0], value, "^$", 0);
return git_config_set_multivar_in_file(given_config_file,
argv[0], value, "^$", 0);
}
else if (actions == ACTION_REPLACE_ALL) {
check_argc(argc, 2, 3);
value = normalize_value(argv[0], argv[1]);
return git_config_set_multivar(argv[0], value, argv[2], 1);
return git_config_set_multivar_in_file(given_config_file,
argv[0], value, argv[2], 1);
}
else if (actions == ACTION_GET) {
check_argc(argc, 1, 2);
@ -482,18 +488,22 @@ int cmd_config(int argc, const char **argv, const char *prefix)
else if (actions == ACTION_UNSET) {
check_argc(argc, 1, 2);
if (argc == 2)
return git_config_set_multivar(argv[0], NULL, argv[1], 0);
return git_config_set_multivar_in_file(given_config_file,
argv[0], NULL, argv[1], 0);
else
return git_config_set(argv[0], NULL);
return git_config_set_in_file(given_config_file,
argv[0], NULL);
}
else if (actions == ACTION_UNSET_ALL) {
check_argc(argc, 1, 2);
return git_config_set_multivar(argv[0], NULL, argv[1], 1);
return git_config_set_multivar_in_file(given_config_file,
argv[0], NULL, argv[1], 1);
}
else if (actions == ACTION_RENAME_SECTION) {
int ret;
check_argc(argc, 2, 2);
ret = git_config_rename_section(argv[0], argv[1]);
ret = git_config_rename_section_in_file(given_config_file,
argv[0], argv[1]);
if (ret < 0)
return ret;
if (ret == 0)
@ -502,7 +512,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
else if (actions == ACTION_REMOVE_SECTION) {
int ret;
check_argc(argc, 1, 1);
ret = git_config_rename_section(argv[0], NULL);
ret = git_config_rename_section_in_file(given_config_file,
argv[0], NULL);
if (ret < 0)
return ret;
if (ret == 0)

25
t/t1300-repo-config.sh
View File

@ -458,6 +458,14 @@ test_expect_success 'refer config from subdirectory' '
'
test_expect_success 'refer config from subdirectory via GIT_CONFIG' '
(
cd x &&
GIT_CONFIG=../other-config git config --get ein.bahn >actual &&
test_cmp expect actual
)
'
cat > expect << EOF
[ein]
bahn = strasse
@ -960,4 +968,21 @@ test_expect_success 'git -c complains about empty key and value' '
test_must_fail git -c "" rev-parse
'
test_expect_success 'git config --edit works' '
git config -f tmp test.value no &&
echo test.value=yes >expect &&
GIT_EDITOR="echo [test]value=yes >" git config -f tmp --edit &&
git config -f tmp --list >actual &&
test_cmp expect actual
'
test_expect_success 'git config --edit respects core.editor' '
git config -f tmp test.value no &&
echo test.value=yes >expect &&
test_config core.editor "echo [test]value=yes >" &&
git config -f tmp --edit &&
git config -f tmp --list >actual &&
test_cmp expect actual
'
test_done