bench

#!/usr/bin/env bash
set -e
ulimit -t 1200

function checkFailedBuild {
  if [[ $? != 0 ]]; then
    echo "Build failed"
    exit 1
  fi
}

trap checkFailedBuild Exit

export BUNDLE_GEMFILE="$(pwd)/Gemfile"
bundle update

NUMBER_OF_RUNS=3
RESULTS="$(pwd)/results.csv"
if [[ ! -s $RESULTS ]]; then
	echo "Jekyll version, user time in seconds, site" > $RESULTS
fi

if [[ -n $PR ]]; then
	VERSION="#$PR"
elif [[ -n $BRANCH ]]; then
	VERSION="$BRANCH"
elif [[ -n $REF ]]; then
	VERSION="$REF"
else
	VERSION="master"
fi

if command -v gtime; then
	TIME=$(which gtime)
else
	TIME=$(which time)
fi

# Create tmp/ directory
TMPDIR="$(pwd)/sites"
if [[ -d $TMPDIR ]]; then
	rm -rf "$TMPDIR"
fi
mkdir -p "$TMPDIR/source"
mkdir -p "$TMPDIR/destination"

# Flush SASS cache
if [[ -d "$(pwd)/.sass-cache" ]]; then
	rm -rf "$(pwd)/.sass-cache"
fi

# Create a directory for flamegraphs
if [[ -n $FLAMEGRAPH ]]; then
	mkdir -p "docs/$REF"
fi

for SITE in $(cat "site-list"); do
	echo "
________________________________________________________________________________
          Sampling: $SITE"
	SOURCE="$TMPDIR/source/${SITE##*/}"
	DESTINATION=${SOURCE/source/destination}
	SVG_PATH="docs/$REF/${SITE##*/}"
	if [[ ! -d $SOURCE ]]; then
		git clone --recurse-submodules -q "$SITE" "$SOURCE"
	fi
	for ((i=0; i<NUMBER_OF_RUNS; ++i)); do
		"$TIME" -ao "$RESULTS" -f"$VERSION,%U,$SITE" \
			bundle exec jekyll build -s "$SOURCE" -d "$DESTINATION" --trace
	done

	if [[ -n $FLAMEGRAPH ]]; then
		rbspy record --file "$SVG_PATH" -- bundle exec jekyll build -s "$SOURCE" -d "$DESTINATION"
		mv "$SVG_PATH" "$SVG_PATH.svg"
	fi
done