asdf/lib/commands/version_commands.sh

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version_command() {
local cmd=$1
local plugin=$2
if [ "$#" -lt "3" ]; then
if [ "$cmd" = "global" ]; then
echo "Usage: asdf global <name> <version>"
else
echo "Usage: asdf local <name> <version>"
fi
exit 1
fi
shift 2
local versions=("$@")
local file
if [ "$cmd" = "global" ]; then
file=${ASDF_DEFAULT_TOOL_VERSIONS_FILENAME:-$HOME/.tool-versions}
elif [ "$cmd" = "local-tree" ]; then
file=$(find_tool_versions)
else # cmd = local
file="$(pwd)/.tool-versions"
fi
if [ -L "$file" ]; then
# Resolve file path if symlink
file="$(resolve_symlink "$file")"
fi
check_if_plugin_exists "$plugin"
local version
for version in "${versions[@]}"; do
check_if_version_exists "$plugin" "$version"
done
if [ -f "$file" ] && grep "^$plugin " "$file" > /dev/null; then
sed -i.bak -e "s/^$plugin .*$/$plugin ${versions[*]}/" "$file"
rm "$file".bak
else
echo "$plugin ${versions[*]}" >> "$file"
fi
}
local_command() {
local parent=false
local positional=()
while [[ $# -gt 0 ]]
do
case $1 in
-p|--parent)
parent="true"
shift # past value
;;
*)
positional+=("$1") # save it in an array for later
shift # past argument
;;
esac
done
set -- "${positional[@]}" # restore positional parameters
if [ $parent = true ]; then
# shellcheck disable=2068
version_command "local-tree" $@
else
# shellcheck disable=2068
version_command "local" $@
fi
}
global_command() {
# shellcheck disable=2068
version_command "global" $@
}
# Output from this command must be executable shell code
shell_command() {
if [ "$#" -lt "2" ]; then
echo "Usage: asdf shell <name> {<version>|--unset}" >&2
echo 'false'
exit 1
fi
local plugin=$1
local version=$2
local upcase_name
upcase_name=$(echo "$plugin" | tr '[:lower:]-' '[:upper:]_')
local version_env_var="ASDF_${upcase_name}_VERSION"
if [ "$version" = "--unset" ]; then
echo "unset $version_env_var"
exit 0
fi
if ! (check_if_version_exists "$plugin" "$version"); then
echo 'false'
exit 1
fi
case $ASDF_SHELL in
fish )
echo "set -gx $version_env_var \"$version\"";;
* )
echo "export $version_env_var=\"$version\"";;
esac
}