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| author | aszlig <aszlig@redmoonstudios.org> | 2017-07-03 07:33:35 +0200 |
|---|---|---|
| committer | aszlig <aszlig@redmoonstudios.org> | 2017-07-03 08:29:16 +0200 |
| commit | d97cdfc591baf790ce5a9836e1503dfb0eb152e6 (patch) | |
| tree | ecf8da49e344a2ba97a819ed79e09c495e61e6c8 /nixos/modules/services | |
| parent | 02ce6963045ed2a1ed41538419a3954ead23fa51 (diff) | |
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nixos/xserver: Document the layouts sed expression
This was brought up by @0xABAB in #26984 by the following comment: https://github.com/NixOS/nixpkgs/pull/26984#discussion_r125146405 Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Diffstat (limited to 'nixos/modules/services')
| -rw-r--r-- | nixos/modules/services/x11/xserver.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nixos/modules/services/x11/xserver.nix b/nixos/modules/services/x11/xserver.nix index 01bab8fccadb..504a6b79d577 100644 --- a/nixos/modules/services/x11/xserver.nix +++ b/nixos/modules/services/x11/xserver.nix @@ -652,6 +652,10 @@ in inherit (cfg) layout xkbDir; } '' if sed -n -e ':i /^! \(layout\|variant\) *$/ { + # Loop through all of the layouts/variants until we hit another ! at + # the start of the line or the line is empty ('t' branches only if + # the last substitution was successful, so if the line is empty the + # substition will fail). :l; n; /^!/bi; s/^ *\([^ ]\+\).*/\1/p; tl }' "$xkbDir/rules/base.lst" | grep -qxF "$layout" then |