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由 Nguyễn Thái Ngọc Duy 提交于
If setup_git_directory() and friends have not been called, get_git_dir() (because of includeIf.gitdir:XXX) would lead to die("BUG: setup_git_env called without repository"); There are two cases when a config file could be read before $GIT_DIR is located. The first one is check_repository_format(), where we read just the one file $GIT_DIR/config to check if we could understand this repository. This case should be safe. We do not parse include directives, which can only be triggered from git_config_with_options, but setup code uses a lower-level function. The concerned variables should never be hidden away behind includes anyway. The second one is triggered in check_pager_config() when we're about to run an external git command. We might be able to find $GIT_DIR in this case, which is exactly what read_early_config() does (and also is what check_pager_config() uses). Conditional includes and get_git_dir() could be triggered by the first git_config_with_options() call there, before discover_git_directory() is used as a fallback $GIT_DIR detection. Detect this special "early reading" case, pass down the $GIT_DIR, either from previous setup or detected by discover_git_directory(), and make conditional include use it. Noticed-by: NBert Wesarg <bert.wesarg@googlemail.com> Signed-off-by: NNguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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