mirror of
https://github.com/tj/n.git
synced 2024-11-22 11:37:26 +01:00
152 lines
2.1 KiB
Bash
Executable File
152 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env sh
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# Library version
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VERSION="0.0.1"
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PREFIX=/usr/local/n
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# setup
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test -d $PREFIX/versions || mkdir -p $PREFIX/versions
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# curl / wget support
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GET=
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# wget support
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which wget > /dev/null && GET="wget -q -O-"
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# curl support
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which curl > /dev/null && GET="curl -# -L"
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# Ensure we have curl or wget
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test -z "$GET" && abort "curl or wget required"
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#
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# Log the given <msg ...>
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#
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log() {
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echo "... $@"
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}
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#
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# Exit with the given <msg ...>
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#
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abort() {
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echo "Error: $@" && exit 1
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}
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#
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# Output usage information.
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#
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display_help() {
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cat <<-help
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Usage: n [options] <version>
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Commands:
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n Output versions installed
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n <version> Install node <version>
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Options:
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-V, --version Output current version of n
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-h, --help Display help information
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help
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exit 0
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}
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#
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# Output n version.
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#
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display_n_version() {
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echo $VERSION && exit 0
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}
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#
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# Display current node --version
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#
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display_current_version() {
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if test `which node`; then
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local version=`node --version`
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echo " current: $version"
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else
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echo " current: none"
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fi
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}
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#
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# Display current node --version
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# and others installed.
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#
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display_versions() {
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display_current_version
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}
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#
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# Install node <version>
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#
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install_node() {
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local version=$1
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# remove "v"
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if test "${version:0:1}" = "v"; then
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version=${version:1:${#version}}
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fi
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# install
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local dir="node-v$version"
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cd $PREFIX \
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&& $GET "http://nodejs.org/dist/node-v$version.tar.gz" \
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> "$dir.tar.gz" \
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&& tar -zxf "$dir.tar.gz" \
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&& cd $dir \
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&& ./configure --prefix $PREFIX/versions/$version\
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&& make install \
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&& cd .. \
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&& cleanup $version
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}
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#
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# Cleanup after the given <version>
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#
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cleanup() {
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local version=$1
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local dir="node-v$version"
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if test -d $dir; then
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log "removing source"
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rm -fr $dir
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fi
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if test -f "$dir.tar.gz"; then
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log "removing tarball"
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rm -fr "$dir.tar.gz"
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fi
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}
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# Handle arguments
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if test $# -eq 0; then
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display_versions
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else
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while test $# -ne 0; do
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case $1 in
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-V|--version) display_n_version ;;
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-h|--help) display_help ;;
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*) install_node $1 ;;
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esac
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shift
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done
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fi |