mirror of
https://github.com/YunoHost/yunohost.git
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124 lines
4.8 KiB
Bash
124 lines
4.8 KiB
Bash
#!/bin/bash
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readonly N_INSTALL_DIR="/opt/node_n"
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# N_PREFIX is the directory of n, it needs to be loaded as a environment variable.
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export N_PREFIX="$N_INSTALL_DIR"
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# [internal]
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_ynh_load_nodejs_in_path_and_other_tweaks() {
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# Get the absolute path of this version of node
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nodejs_dir="$N_INSTALL_DIR/n/versions/node/$nodejs_version/bin"
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# Load the path of this version of node in $PATH
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if [[ :$PATH: != *":$nodejs_dir"* ]]; then
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PATH="$nodejs_dir:$PATH"
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fi
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# Export PATH such that it's available through sudo -E / ynh_exec_as $app
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export PATH
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# This is in full lowercase such that it gets replaced in templates
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path_with_nodejs="$PATH"
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PATH_with_nodejs="$PATH"
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# Prevent yet another Node and Corepack madness, with Corepack wanting the user to confirm download of Yarn
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export COREPACK_ENABLE_DOWNLOAD_PROMPT=0
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}
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# Install a specific version of nodejs, using 'n'
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#
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# The installed version is defined by `$nodejs_version` which should be defined as global prior to calling this helper
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#
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# usage: ynh_nodejs_install
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#
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# `n` (Node version management) uses the `PATH` variable to store the path of the version of node it is going to use.
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# That's how it changes the version
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#
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# The helper adds the appropriate, specific version of nodejs to the `$PATH` variable (which
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# is preserved when calling ynh_exec_as_app). Also defines:
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# - `$path_with_nodejs` to be used in the systemd config (`Environment="PATH=__PATH_WITH_NODEJS__"`)
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# - `$nodejs_dir`, the directory containing the specific version of nodejs, which may be used in the systemd config too (e.g. `ExecStart=__NODEJS_DIR__/node foo bar`)
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ynh_nodejs_install() {
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# Use n, https://github.com/tj/n to manage the nodejs versions
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[[ -n "${nodejs_version:-}" ]] || ynh_die "\$nodejs_version should be defined prior to calling ynh_nodejs_install"
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# Create $N_INSTALL_DIR
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mkdir --parents "$N_INSTALL_DIR"
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# Load n path in PATH
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CLEAR_PATH="$N_INSTALL_DIR/bin:$PATH"
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# Remove /usr/local/bin in PATH in case of node prior installation
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PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@')
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# Move an existing node binary, to avoid to block n.
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test -x /usr/bin/node && mv /usr/bin/node /usr/bin/node_n
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test -x /usr/bin/npm && mv /usr/bin/npm /usr/bin/npm_n
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# Install (or update if YunoHost vendor/ folder updated since last install) n
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mkdir -p $N_INSTALL_DIR/bin/
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cp "$YNH_HELPERS_DIR/vendor/n/n" $N_INSTALL_DIR/bin/n
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# Tweak for n to understand it's installed in $N_PREFIX
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ynh_replace --match="^N_PREFIX=\${N_PREFIX-.*}$" --replace="N_PREFIX=\${N_PREFIX-$N_PREFIX}" --file="$N_INSTALL_DIR/bin/n"
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# Restore /usr/local/bin in PATH
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PATH=$CLEAR_PATH
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# And replace the old node binary.
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test -x /usr/bin/node_n && mv /usr/bin/node_n /usr/bin/node
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test -x /usr/bin/npm_n && mv /usr/bin/npm_n /usr/bin/npm
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# Install the requested version of nodejs
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uname=$(uname --machine)
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if [[ $uname =~ aarch64 || $uname =~ arm64 ]]; then
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n $nodejs_version --arch=arm64
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else
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n $nodejs_version
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fi
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# Find the last "real" version for this major version of node.
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real_nodejs_version=$(find $N_INSTALL_DIR/n/versions/node/$nodejs_version* -maxdepth 0 | sort --version-sort | tail --lines=1)
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real_nodejs_version=$(basename $real_nodejs_version)
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# Create a symbolic link for this major version if the file doesn't already exist
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if [ ! -e "$N_INSTALL_DIR/n/versions/node/$nodejs_version" ]; then
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ln --symbolic --force --no-target-directory \
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$N_INSTALL_DIR/n/versions/node/$real_nodejs_version \
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$N_INSTALL_DIR/n/versions/node/$nodejs_version
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fi
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# Store the ID of this app and the version of node requested for it
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echo "$YNH_APP_INSTANCE_NAME:$nodejs_version" | tee --append "$N_INSTALL_DIR/ynh_app_version"
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# Store nodejs_version into the config of this app
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ynh_app_setting_set --key=nodejs_version --value=$nodejs_version
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_ynh_load_nodejs_in_path_and_other_tweaks
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}
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# Remove the version of node used by the app.
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#
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# usage: ynh_nodejs_remove
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#
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# This helper will check if another app uses the same version of node.
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# - If not, this version of node will be removed.
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# - If no other app uses node, n will be also removed.
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ynh_nodejs_remove() {
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[[ -n "${nodejs_version:-}" ]] || ynh_die "\$nodejs_version should be defined prior to calling ynh_nodejs_remove"
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# Remove the line for this app
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sed --in-place "/$YNH_APP_INSTANCE_NAME:$nodejs_version/d" "$N_INSTALL_DIR/ynh_app_version"
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# If no other app uses this version of nodejs, remove it.
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if ! grep --quiet "$nodejs_version" "$N_INSTALL_DIR/ynh_app_version"; then
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$N_INSTALL_DIR/bin/n rm $nodejs_version
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fi
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# If no other app uses n, remove n
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if [ ! -s "$N_INSTALL_DIR/ynh_app_version" ]; then
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ynh_safe_rm "$N_INSTALL_DIR"
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sed --in-place "/N_PREFIX/d" /root/.bashrc
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fi
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}
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