119 lines
2.8 KiB
Bash
Executable File
119 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Summary: Set or show the shell-specific Node version
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#
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# Usage: nodenv shell <version>
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# nodenv shell -
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# nodenv shell --unset
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#
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# Sets a shell-specific Node version by setting the `NODENV_VERSION'
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# environment variable in your shell. This version overrides local
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# application-specific versions and the global version.
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#
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# <version> should be a string matching a Node version known to nodenv.
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# The special version string `system' will use your default system Node.
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# Run `nodenv versions' for a list of available Node versions.
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#
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# When `-` is passed instead of the version string, the previously set
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# version will be restored. With `--unset`, the `NODENV_VERSION`
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# environment variable gets unset, restoring the environment to the
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# state before the first `nodenv shell` call.
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set -e
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[ -n "$NODENV_DEBUG" ] && set -x
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# Provide nodenv completions
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if [ "$1" = "--complete" ]; then
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echo --unset
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echo system
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exec nodenv-versions --bare
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fi
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version="$1"
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shell="$(basename "${NODENV_SHELL:-$SHELL}")"
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if [ -z "$version" ]; then
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if [ -z "$NODENV_VERSION" ]; then
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echo "nodenv: no shell-specific version configured" >&2
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exit 1
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else
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echo 'echo "$NODENV_VERSION"'
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exit
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fi
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fi
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if [ "$version" = "--unset" ]; then
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case "$shell" in
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fish )
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echo 'set -gu NODENV_VERSION_OLD "$NODENV_VERSION"'
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echo "set -e NODENV_VERSION"
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;;
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* )
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echo 'NODENV_VERSION_OLD="$NODENV_VERSION"'
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echo "unset NODENV_VERSION"
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;;
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esac
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exit
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fi
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if [ "$version" = "-" ]; then
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case "$shell" in
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fish )
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cat <<EOS
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if set -q NODENV_VERSION_OLD
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if [ -n "\$NODENV_VERSION_OLD" ]
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set NODENV_VERSION_OLD_ "\$NODENV_VERSION"
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set -gx NODENV_VERSION "\$NODENV_VERSION_OLD"
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set -gu NODENV_VERSION_OLD "\$NODENV_VERSION_OLD_"
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set -e NODENV_VERSION_OLD_
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else
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set -gu NODENV_VERSION_OLD "\$NODENV_VERSION"
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set -e NODENV_VERSION
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end
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else
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echo "nodenv: NODENV_VERSION_OLD is not set" >&2
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false
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end
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EOS
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;;
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* )
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cat <<EOS
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if [ -n "\${NODENV_VERSION_OLD+x}" ]; then
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if [ -n "\$NODENV_VERSION_OLD" ]; then
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NODENV_VERSION_OLD_="\$NODENV_VERSION"
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export NODENV_VERSION="\$NODENV_VERSION_OLD"
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NODENV_VERSION_OLD="\$NODENV_VERSION_OLD_"
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unset NODENV_VERSION_OLD_
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else
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NODENV_VERSION_OLD="\$NODENV_VERSION"
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unset NODENV_VERSION
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fi
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else
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echo "nodenv: NODENV_VERSION_OLD is not set" >&2
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false
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fi
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EOS
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;;
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esac
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exit
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fi
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# Make sure the specified version is installed.
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if nodenv-prefix "$version" >/dev/null; then
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if [ "$version" != "$NODENV_VERSION" ]; then
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case "$shell" in
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fish )
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echo 'set -gu NODENV_VERSION_OLD "$NODENV_VERSION"'
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echo "set -gx NODENV_VERSION \"$version\""
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;;
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* )
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echo 'NODENV_VERSION_OLD="$NODENV_VERSION"'
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echo "export NODENV_VERSION=\"$version\""
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;;
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esac
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fi
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else
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echo "false"
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exit 1
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fi
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