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124 lines
2.9 KiB
124 lines
2.9 KiB
ZSH_NVM_DIR=${0:a:h}
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[[ -z "$NVM_DIR" ]] && export NVM_DIR="$HOME/.nvm"
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_zsh_nvm_rename_function() {
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test -n "$(declare -f $1)" || return
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eval "${_/$1/$2}"
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unset -f $1
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}
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_zsh_nvm_has() {
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type "$1" > /dev/null 2>&1
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}
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_zsh_nvm_latest_release_tag() {
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echo $(cd "$NVM_DIR" && git fetch --quiet origin && git describe --abbrev=0 --tags --match "v[0-9]*" origin)
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}
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_zsh_nvm_install() {
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echo "Installing nvm..."
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git clone https://github.com/creationix/nvm.git "$NVM_DIR"
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$(cd "$NVM_DIR" && git checkout --quiet "$(_zsh_nvm_latest_release_tag)")
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}
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_zsh_nvm_load() {
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# Source nvm
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source "$NVM_DIR/nvm.sh"
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# Rename main nvm function
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_zsh_nvm_rename_function nvm _zsh_nvm_nvm
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# Wrap nvm in our own function
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nvm() {
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case $1 in
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'upgrade')
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_zsh_nvm_upgrade
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;;
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'revert')
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_zsh_nvm_revert
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;;
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*)
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_zsh_nvm_nvm "$@"
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;;
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esac
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}
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}
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_zsh_nvm_lazy_load() {
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# Get all global node module binaries (including node)
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local node_globals=($(ls ~/.nvm/versions/*/*/bin/* | xargs basename | sort | uniq))
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# Add nvm
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node_globals+=('nvm')
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# Create function for each command
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for cmd in $node_globals; do
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# When called, unset all lazy loaders, load nvm then run current command
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eval "$cmd(){
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unset -f $node_globals
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_zsh_nvm_load
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$cmd \"\$@\"
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}"
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done
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}
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nvm_update() {
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echo 'Deprecated, please use `nvm upgrade`'
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}
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_zsh_nvm_upgrade() {
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# Use default upgrade if it's built in
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if [[ -n "$(_zsh_nvm_nvm help | grep 'nvm upgrade')" ]]; then
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_zsh_nvm_nvm upgrade
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return
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fi
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# Otherwise use our own
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local installed_version=$(cd "$NVM_DIR" && git describe --tags)
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echo "Installed version is $installed_version"
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echo "Checking latest version of nvm..."
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local latest_version=$(_zsh_nvm_latest_release_tag)
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if [[ "$installed_version" = "$latest_version" ]]; then
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echo "You're already up to date"
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else
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echo "Updating to $latest_version..."
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echo "$installed_version" > "$ZSH_NVM_DIR/previous_version"
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$(cd "$NVM_DIR" && git fetch --quiet && git checkout "$latest_version")
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_zsh_nvm_load
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fi
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}
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_zsh_nvm_previous_version() {
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cat "$ZSH_NVM_DIR/previous_version" 2>/dev/null
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}
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_zsh_nvm_revert() {
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local previous_version="$(_zsh_nvm_previous_version)"
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if [[ -n "$previous_version" ]]; then
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local installed_version=$(cd "$NVM_DIR" && git describe --tags)
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if [[ "$installed_version" = "$previous_version" ]]; then
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echo "Already reverted to $installed_version"
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return
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fi
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echo "Installed version is $installed_version"
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echo "Reverting to $previous_version..."
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$(cd "$NVM_DIR" && git checkout "$previous_version")
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_zsh_nvm_load
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else
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echo "No previous version found"
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fi
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}
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# Install nvm if it isn't already installed
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[[ ! -f "$NVM_DIR/nvm.sh" ]] && _zsh_nvm_install
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# If nvm is installed
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if [[ -f "$NVM_DIR/nvm.sh" ]]; then
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# Load it
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[[ "$NVM_LAZY_LOAD" == true ]] && _zsh_nvm_lazy_load || _zsh_nvm_load
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fi
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