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authorLibravatar Brandon Williams <bmwill@google.com>2017-06-14 11:07:38 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2017-06-15 12:56:22 -0700
commita577fb5fdc53a4729eeedc2922d1461350b92f73 (patch)
tree15197dd21a7820432815f55a2e88a38766dd99a3 /t/t4013/diff.show_--stat_side
parentsetup: teach discover_git_directory to respect the commondir (diff)
downloadtgif-a577fb5fdc53a4729eeedc2922d1461350b92f73.tar.xz
config: respect commondir
Worktrees present an interesting problem when it comes to the config. Historically we could assume that the per-repository config lives at 'gitdir/config', but since worktrees were introduced this isn't the case anymore. There is currently no way to specify per-worktree configuration, and as such the repository config is shared with all worktrees and is located at 'commondir/config'. Many users of the config machinery correctly set 'config_options.git_dir' with the repository's commondir, allowing the config to be properly loaded when operating in a worktree. But other's, like 'read_early_config()', set 'config_options.git_dir' with the repository's gitdir which can be incorrect when using worktrees. To fix this issue, and to make things less ambiguous, lets add a 'commondir' field to the 'config_options' struct and have all callers properly set both the 'git_dir' and 'commondir' fields so that the config machinery is able to properly find the repository's config. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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