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nixpkgs-update: shellcheck, shfmt worker script

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This commit is contained in:
zowoq 2024-10-20 14:00:52 +10:00
parent e37d6f9f6c
commit a3109acfde
1 changed files with 28 additions and 27 deletions

55
hosts/build02/worker.bash
View file

@ -1,6 +1,6 @@
mkdir -p "$LOGS_DIRECTORY/~workers/"
# This is for public logs at nixpkgs-update-logs.nix-community.org/~workers
exec > >(rotatelogs -eD "$LOGS_DIRECTORY/~workers/%Y-%m-%d-${WORKER_NAME}.stdout.log" 86400)
exec > >(rotatelogs -eD "$LOGS_DIRECTORY/~workers/%Y-%m-%d-${WORKER_NAME}.stdout.log" 86400)
exec 2> >(rotatelogs -eD "$LOGS_DIRECTORY/~workers/%Y-%m-%d-${WORKER_NAME}.stderr.log" 86400 >&2)
socket=/run/nixpkgs-update-supervisor/work.sock
@ -20,32 +20,33 @@ msg=READY
while true; do
response=$(echo "$msg" | socat -t5 UNIX-CONNECT:"$socket" - || true)
case "$response" in
"") # connection error; retry
sleep 5
;;
NOJOBS)
msg=READY
sleep 60
;;
JOB\ *)
read -r attr_path payload <<< "${response#JOB }"
# If one worker is initializing the nixpkgs clone, the other will
# try to use the incomplete clone, consuming a bunch of jobs and
# throwing them away. So we use a crude locking mechanism to
# run only one worker when there isn't a nixpkgs directory yet.
# Once the directory exists and this initial lock is released,
# multiple workers can run concurrently.
lockdir="$XDG_CACHE_HOME/.nixpkgs.lock"
if [ ! -e "$XDG_CACHE_HOME/nixpkgs" ] && mkdir "$lockdir"; then
trap 'rmdir "$lockdir"' EXIT
run-nixpkgs-update
rmdir "$lockdir"
trap - EXIT
continue
fi
while [ -e "$lockdir" ]; do
sleep 10
done
"") # connection error; retry
sleep 5
;;
NOJOBS)
msg=READY
sleep 60
;;
JOB\ *)
read -r attr_path payload <<<"${response#JOB }"
# If one worker is initializing the nixpkgs clone, the other will
# try to use the incomplete clone, consuming a bunch of jobs and
# throwing them away. So we use a crude locking mechanism to
# run only one worker when there isn't a nixpkgs directory yet.
# Once the directory exists and this initial lock is released,
# multiple workers can run concurrently.
lockdir="$XDG_CACHE_HOME/.nixpkgs.lock"
if [ ! -e "$XDG_CACHE_HOME/nixpkgs" ] && mkdir "$lockdir"; then
trap 'rmdir "$lockdir"' EXIT
run-nixpkgs-update
rmdir "$lockdir"
trap - EXIT
continue
fi
while [ -e "$lockdir" ]; do
sleep 10
done
run-nixpkgs-update
;;
esac
done