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#!/usr/bin/env bash
die() { echo "${1:-No error message given} (from $(basename $0))"; exit 1; }
[ -n "$VERSION" ] || die "\$VERSION is empty or undefined"
function install() {
echo "Installing golangci-lint v$VERSION into $BIN"
curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v$VERSION
}
# Undocumented behavior: golangci-lint installer requires $BINDIR in env,
# will default to ./bin but we can't rely on that.
export BINDIR="./bin"
BIN="$BINDIR/golangci-lint"
if [ ! -x "$BIN" ]; then
install
else
# Prints its own file name as part of --version output
$BIN --version | grep "$VERSION"
if [ $? -eq 0 ]; then
echo "Using existing $BINDIR/$($BIN --version)"
else
install
fi
fi
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