mirror of
https://github.com/jimeh/.emacs.d.git
synced 2026-02-19 13:46:41 +00:00
Jim Myhrberg
25441f47d3
On my 2016 MacBook Pro correction times are around 200ms with the daemon, compared to around 3-4 seconds without. There might be some issues if bundler depends heavily on gems included in the project, but we'll see how that goes.
133 lines
3.7 KiB
Bash
Executable File
133 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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set -e
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COMMAND_PREFIX=""
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if [ -n "$RUBOCOP_DAEMON_USE_BUNDLER" ]; then
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COMMAND_PREFIX="bundle exec"
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fi
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if ! command -v rubocop-daemon > /dev/null; then
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$COMMAND_PREFIX rubocop $@
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exit $?
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fi
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if [[ "$OSTYPE" == "linux-gnu" ]]; then
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if [ -f "/etc/fedora-release" ]; then
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NETCAT_CMD="nc"
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else
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NETCAT_CMD="nc -N"
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fi
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elif [[ "$OSTYPE" == "darwin"* ]]; then
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NETCAT_CMD="nc"
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elif [[ "$OSTYPE" == "freebsd"* ]]; then
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# https://www.freebsd.org/cgi/man.cgi?query=netcat&manpath=SuSE+Linux/i386+11.3
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NETCAT_CMD="nc"
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else
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echo "Sorry, we're not sure if the rubocop-daemon-wrapper script will work" \
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"on your OS: \"$OSTYPE\"" >&2
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echo "Try to comment out this message in the script, and use one of the following:" >&2
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echo >&2
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echo "NETCAT_CMD=\"nc\"" >&2
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echo "# Or" >&2
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echo "NETCAT_CMD=\"nc -N\"" >&2
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echo >&2
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echo "Then please leave a comment on this GitHub issue and" \
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"let us know which one worked:" >&2
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echo >&2
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echo "* https://github.com/fohte/rubocop-daemon/issues/4" >&2
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echo >&2
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exit 1
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fi
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find_project_root() {
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path=$(pwd -P)
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while [[ "$path" != "" && ! -f "$path/Gemfile" && ! -f "$path/gems.rb" ]]; do
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path=${path%/*}
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done
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echo "$path"
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}
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PROJECT_ROOT="$(find_project_root)"
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if [ -z "$PROJECT_ROOT" ]; then
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# If we can't find a Gemfile, just use the current directory
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PROJECT_ROOT="$(pwd -P)"
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fi
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CACHE_DIR="$HOME/.cache/rubocop-daemon"
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PROJECT_CACHE_KEY="$(echo ${PROJECT_ROOT:1} | tr '/' '+')"
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PROJECT_CACHE_DIR="$CACHE_DIR/$PROJECT_CACHE_KEY"
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TOKEN_PATH="$PROJECT_CACHE_DIR/token"
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PORT_PATH="$PROJECT_CACHE_DIR/port"
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STDIN_PATH="$PROJECT_CACHE_DIR/stdin"
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STATUS_PATH="$PROJECT_CACHE_DIR/status"
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LOCK_PATH="$CACHE_DIR/running.lock"
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RUBOCOP_DAEMON="$COMMAND_PREFIX rubocop-daemon"
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# If a lock file exist, wait up to 5 seconds.
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i=0
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while [ -d "$LOCK_PATH" ]; do
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# rubocop-daemon is already processing a request. Pause before trying again...
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sleep 1
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i=$((i + 1))
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if [ $i -ge 5 ]; then
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echo "rubocop-daemon-wrapper: Waited more than 5 seconds; ignoring the lock and proceeding." >&2
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break
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fi
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done
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unlock() {
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rm -r "$LOCK_PATH" 2> /dev/null
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}
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trap unlock EXIT
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# Acquire a file lock before proceeding.
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# Macs don't support the `lockfile` command, so just use mkdir.
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mkdir -p "$LOCK_PATH"
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# If -s or --stdin args are present, read stdin with `cat`
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for ARG in $@; do
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if [ -z "$STDIN_CONTENT" ] && [ "$ARG" == "--stdin" ] || [ "$ARG" == "-s" ]; then
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# Preserve final new lines when ingesting from STDIN
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STDIN_CONTENT="$(cat; printf x)"
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STDIN_CONTENT=${STDIN_CONTENT%x}
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fi
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done
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if [ ! -f "$TOKEN_PATH" ]; then
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$RUBOCOP_DAEMON start
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fi
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run_rubocop_command() {
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TOKEN="$(cat "$TOKEN_PATH")"
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PORT="$(cat "$PORT_PATH")"
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COMMAND="$TOKEN $PROJECT_ROOT exec $@"
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rm -f "$STATUS_PATH" # Clear the previous status
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if printf '%s\n%s' "$COMMAND" "$STDIN_CONTENT" | $NETCAT_CMD localhost "$PORT"; then
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if [ -f "$STATUS_PATH" ]; then
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exit "$(cat $STATUS_PATH)"
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else
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echo "rubocop-daemon-wrapper: server did not write status to $STATUS_PATH!" >&2
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exit 1
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fi
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fi
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return 1
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}
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if ! run_rubocop_command $@; then
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echo "rubocop-daemon-wrapper: Error sending command to localhost:$PORT ($COMMAND)" >&2
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echo "Killing all rubocop-daemon processes and removing cache directory..." >&2
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rm -rf "$CACHE_DIR"
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pkill -f "rubocop-daemon (re)?start"
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echo "Starting new rubocop-daemon server..." >&2
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$RUBOCOP_DAEMON start
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if ! run_rubocop_command $@; then
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echo "Sorry, something went wrong with rubocop-daemon!" >&2
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echo "Please try updating the gem or re-installing the rubocop-daemon-wrapper script."
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echo "If that doesn't work, please open an issue on GitHub:" \
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"https://github.com/fohte/rubocop-daemon/issues/new" >&2
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fi
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fi
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