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-rw-r--r--tv/5pkgs/default.nix6
-rw-r--r--tv/5pkgs/simple/xkiller.nix25
2 files changed, 31 insertions, 0 deletions
diff --git a/tv/5pkgs/default.nix b/tv/5pkgs/default.nix
index c5c800b55..605d827ef 100644
--- a/tv/5pkgs/default.nix
+++ b/tv/5pkgs/default.nix
@@ -24,6 +24,12 @@ foldl' mergeAttrs {}
"$@"
'';
+ dhcpcd = overrideDerivation super.dhcpcd (old: {
+ configureFlags = old.configureFlags ++ [
+ "--dbdir=/var/lib/dhcpcd"
+ ];
+ });
+
gitAndTools = super.gitAndTools // {
inherit (self) diff-so-fancy;
};
diff --git a/tv/5pkgs/simple/xkiller.nix b/tv/5pkgs/simple/xkiller.nix
new file mode 100644
index 000000000..8d8f01690
--- /dev/null
+++ b/tv/5pkgs/simple/xkiller.nix
@@ -0,0 +1,25 @@
+{ pkgs }:
+pkgs.writeDash "xkiller" ''
+ set -efu
+ exec >&2
+ ${pkgs.iproute}/bin/ss -lp src unix:/tmp/.X11-unix/X* |
+ ${pkgs.gnused}/bin/sed -n '
+ s|.*/tmp/.X11-unix/X\([0-9]\+\)\>.*("X[^"]*",pid=\([0-9]\+\)\>.*|\1 \2|p
+ ' |
+ while read -r display pid; do
+ {
+ exit_code=$(
+ DISPLAY=:$display ${pkgs.coreutils}/bin/timeout 1 \
+ ${pkgs.xorg.xset}/bin/xset q >/dev/null 2>&1 &&
+ echo 0 || echo $?
+ )
+ if test $exit_code = 124; then
+ echo "X on display :$display is locked up; killing PID $pid..."
+ ${pkgs.coreutils}/bin/kill -SIGKILL "$pid"
+ else
+ echo "X on display :$display is healthy"
+ fi
+ } &
+ done
+ wait
+''