зеркало из https://github.com/microsoft/git.git
Merge branch 'jc/config-case-cmdline-take-2' into maint
The code to parse "git -c VAR=VAL cmd" and set configuration variable for the duration of cmd had two small bugs, which have been fixed. This supersedes jc/config-case-cmdline topic that has been discarded. * jc/config-case-cmdline-take-2: config: use git_config_parse_key() in git_config_parse_parameter() config: move a few helper functions up
This commit is contained in:
Junio C Hamano
Коммит
eb4e87cef9
198
config.c
198
config.c
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@ -201,11 +201,105 @@ void git_config_push_parameter(const char *text)
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strbuf_release(&env);
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}
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static inline int iskeychar(int c)
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{
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return isalnum(c) || c == '-';
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}
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/*
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* Auxiliary function to sanity-check and split the key into the section
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* identifier and variable name.
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*
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* Returns 0 on success, -1 when there is an invalid character in the key and
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* -2 if there is no section name in the key.
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*
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* store_key - pointer to char* which will hold a copy of the key with
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* lowercase section and variable name
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* baselen - pointer to int which will hold the length of the
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* section + subsection part, can be NULL
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*/
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static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
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{
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int i, dot, baselen;
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const char *last_dot = strrchr(key, '.');
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/*
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* Since "key" actually contains the section name and the real
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* key name separated by a dot, we have to know where the dot is.
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*/
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if (last_dot == NULL || last_dot == key) {
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if (!quiet)
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error("key does not contain a section: %s", key);
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return -CONFIG_NO_SECTION_OR_NAME;
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}
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if (!last_dot[1]) {
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if (!quiet)
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error("key does not contain variable name: %s", key);
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return -CONFIG_NO_SECTION_OR_NAME;
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}
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baselen = last_dot - key;
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if (baselen_)
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*baselen_ = baselen;
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/*
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* Validate the key and while at it, lower case it for matching.
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*/
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if (store_key)
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*store_key = xmallocz(strlen(key));
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dot = 0;
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for (i = 0; key[i]; i++) {
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unsigned char c = key[i];
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if (c == '.')
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dot = 1;
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/* Leave the extended basename untouched.. */
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if (!dot || i > baselen) {
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if (!iskeychar(c) ||
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(i == baselen + 1 && !isalpha(c))) {
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if (!quiet)
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error("invalid key: %s", key);
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goto out_free_ret_1;
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}
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c = tolower(c);
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} else if (c == '\n') {
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if (!quiet)
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error("invalid key (newline): %s", key);
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goto out_free_ret_1;
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}
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if (store_key)
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(*store_key)[i] = c;
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}
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return 0;
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out_free_ret_1:
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if (store_key) {
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free(*store_key);
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*store_key = NULL;
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}
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return -CONFIG_INVALID_KEY;
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}
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int git_config_parse_key(const char *key, char **store_key, int *baselen)
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{
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return git_config_parse_key_1(key, store_key, baselen, 0);
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}
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int git_config_key_is_valid(const char *key)
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{
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return !git_config_parse_key_1(key, NULL, NULL, 1);
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}
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int git_config_parse_parameter(const char *text,
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config_fn_t fn, void *data)
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{
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const char *value;
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char *canonical_name;
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struct strbuf **pair;
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int ret;
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pair = strbuf_split_str(text, '=', 2);
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if (!pair[0])
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@ -223,13 +317,15 @@ int git_config_parse_parameter(const char *text,
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strbuf_list_free(pair);
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return error("bogus config parameter: %s", text);
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}
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strbuf_tolower(pair[0]);
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if (fn(pair[0]->buf, value, data) < 0) {
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strbuf_list_free(pair);
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return -1;
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if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) {
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ret = -1;
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} else {
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ret = (fn(canonical_name, value, data) < 0) ? -1 : 0;
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free(canonical_name);
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}
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strbuf_list_free(pair);
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return 0;
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return ret;
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}
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int git_config_from_parameters(config_fn_t fn, void *data)
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@ -356,11 +452,6 @@ static char *parse_value(void)
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}
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}
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static inline int iskeychar(int c)
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{
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return isalnum(c) || c == '-';
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}
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static int get_value(config_fn_t fn, void *data, struct strbuf *name)
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{
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int c;
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@ -1989,93 +2080,6 @@ void git_config_set(const char *key, const char *value)
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git_config_set_multivar(key, value, NULL, 0);
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}
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/*
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* Auxiliary function to sanity-check and split the key into the section
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* identifier and variable name.
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*
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* Returns 0 on success, -1 when there is an invalid character in the key and
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* -2 if there is no section name in the key.
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*
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* store_key - pointer to char* which will hold a copy of the key with
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* lowercase section and variable name
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* baselen - pointer to int which will hold the length of the
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* section + subsection part, can be NULL
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*/
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static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
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{
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int i, dot, baselen;
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const char *last_dot = strrchr(key, '.');
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/*
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* Since "key" actually contains the section name and the real
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* key name separated by a dot, we have to know where the dot is.
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*/
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if (last_dot == NULL || last_dot == key) {
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if (!quiet)
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error("key does not contain a section: %s", key);
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return -CONFIG_NO_SECTION_OR_NAME;
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}
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if (!last_dot[1]) {
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if (!quiet)
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error("key does not contain variable name: %s", key);
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return -CONFIG_NO_SECTION_OR_NAME;
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}
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baselen = last_dot - key;
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if (baselen_)
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*baselen_ = baselen;
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/*
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* Validate the key and while at it, lower case it for matching.
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*/
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if (store_key)
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*store_key = xmallocz(strlen(key));
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dot = 0;
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for (i = 0; key[i]; i++) {
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unsigned char c = key[i];
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if (c == '.')
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dot = 1;
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/* Leave the extended basename untouched.. */
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if (!dot || i > baselen) {
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if (!iskeychar(c) ||
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(i == baselen + 1 && !isalpha(c))) {
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if (!quiet)
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error("invalid key: %s", key);
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goto out_free_ret_1;
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}
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c = tolower(c);
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} else if (c == '\n') {
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if (!quiet)
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error("invalid key (newline): %s", key);
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goto out_free_ret_1;
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}
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if (store_key)
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(*store_key)[i] = c;
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}
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return 0;
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out_free_ret_1:
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if (store_key) {
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free(*store_key);
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*store_key = NULL;
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}
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return -CONFIG_INVALID_KEY;
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}
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int git_config_parse_key(const char *key, char **store_key, int *baselen)
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{
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return git_config_parse_key_1(key, store_key, baselen, 0);
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}
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int git_config_key_is_valid(const char *key)
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{
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return !git_config_parse_key_1(key, NULL, NULL, 1);
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}
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/*
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* If value==NULL, unset in (remove from) config,
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* if value_regex!=NULL, disregard key/value pairs where value does not match.
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@ -1097,6 +1097,68 @@ test_expect_success 'multiple git -c appends config' '
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test_cmp expect actual
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'
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test_expect_success 'last one wins: two level vars' '
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# sec.var and sec.VAR are the same variable, as the first
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# and the last level of a configuration variable name is
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# case insensitive.
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echo VAL >expect &&
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git -c sec.var=val -c sec.VAR=VAL config --get sec.var >actual &&
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test_cmp expect actual &&
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git -c SEC.var=val -c sec.var=VAL config --get sec.var >actual &&
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test_cmp expect actual &&
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git -c sec.var=val -c sec.VAR=VAL config --get SEC.var >actual &&
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test_cmp expect actual &&
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git -c SEC.var=val -c sec.var=VAL config --get sec.VAR >actual &&
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test_cmp expect actual
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'
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test_expect_success 'last one wins: three level vars' '
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# v.a.r and v.A.r are not the same variable, as the middle
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# level of a three-level configuration variable name is
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# case sensitive.
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echo val >expect &&
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git -c v.a.r=val -c v.A.r=VAL config --get v.a.r >actual &&
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test_cmp expect actual &&
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git -c v.a.r=val -c v.A.r=VAL config --get V.a.R >actual &&
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test_cmp expect actual &&
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# v.a.r and V.a.R are the same variable, as the first
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# and the last level of a configuration variable name is
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# case insensitive.
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echo VAL >expect &&
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git -c v.a.r=val -c v.a.R=VAL config --get v.a.r >actual &&
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test_cmp expect actual &&
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git -c v.a.r=val -c V.a.r=VAL config --get v.a.r >actual &&
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test_cmp expect actual &&
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git -c v.a.r=val -c v.a.R=VAL config --get V.a.R >actual &&
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test_cmp expect actual &&
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git -c v.a.r=val -c V.a.r=VAL config --get V.a.R >actual &&
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test_cmp expect actual
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'
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for VAR in a .a a. a.0b a."b c". a."b c".0d
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do
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test_expect_success "git -c $VAR=VAL rejects invalid '$VAR'" '
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test_must_fail git -c "$VAR=VAL" config -l
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'
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done
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for VAR in a.b a."b c".d
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do
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test_expect_success "git -c $VAR=VAL works with valid '$VAR'" '
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echo VAL >expect &&
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git -c "$VAR=VAL" config --get "$VAR" >actual &&
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test_cmp expect actual
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'
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done
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test_expect_success 'git -c is not confused by empty environment' '
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GIT_CONFIG_PARAMETERS="" git -c x.one=1 config --list
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'
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