diff options
| -rw-r--r-- | Documentation/git.txt | 5 | ||||
| -rw-r--r-- | config.c | 12 | ||||
| -rwxr-xr-x | t/t1300-repo-config.sh | 11 |
3 files changed, 26 insertions, 2 deletions
diff --git a/Documentation/git.txt b/Documentation/git.txt index de7b870..26de4dd 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -452,6 +452,11 @@ example the following invocations are equivalent: given will override values from configuration files. The <name> is expected in the same format as listed by 'git config' (subkeys separated by dots). ++ +Note that omitting the `=` in `git -c foo.bar ...` is allowed and sets +`foo.bar` to the boolean true value (just like `[foo]bar` would in a +config file). Including the equals but with an empty value (like `git -c +foo.bar= ...`) sets `foo.bar` to the empty string. --exec-path[=<path>]:: Path to wherever your core Git programs are installed. @@ -177,19 +177,27 @@ void git_config_push_parameter(const char *text) int git_config_parse_parameter(const char *text, config_fn_t fn, void *data) { + const char *value; struct strbuf **pair; + pair = strbuf_split_str(text, '=', 2); if (!pair[0]) return error("bogus config parameter: %s", text); - if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') + + if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { strbuf_setlen(pair[0], pair[0]->len - 1); + value = pair[1] ? pair[1]->buf : ""; + } else { + value = NULL; + } + strbuf_trim(pair[0]); if (!pair[0]->len) { strbuf_list_free(pair); return error("bogus config parameter: %s", text); } strbuf_tolower(pair[0]); - if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) { + if (fn(pair[0]->buf, value, data) < 0) { strbuf_list_free(pair); return -1; } diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh index fb871d0..938fc8b 100755 --- a/t/t1300-repo-config.sh +++ b/t/t1300-repo-config.sh @@ -1010,6 +1010,17 @@ test_expect_success 'git -c "key=value" support' ' test_must_fail git -c name=value config core.name ' +# We just need a type-specifier here that cares about the +# distinction internally between a NULL boolean and a real +# string (because most of git's internal parsers do care). +# Using "--path" works, but we do not otherwise care about +# its semantics. +test_expect_success 'git -c can represent empty string' ' + echo >expect && + git -c foo.empty= config --path foo.empty >actual && + test_cmp expect actual +' + test_expect_success 'key sanity-checking' ' test_must_fail git config foo=bar && test_must_fail git config foo=.bar && |