433 lines
16 KiB
Bash
433 lines
16 KiB
Bash
# kvm.sh
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# Source this file from your .bash-profile or script to use
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# "Constants"
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_KVM_BUILDNUMBER="10308"
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_KVM_RUNTIME_PACKAGE_NAME="kre"
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_KVM_RUNTIME_FRIENDLY_NAME="K Runtime"
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_KVM_RUNTIME_SHORT_NAME="KRE"
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_KVM_RUNTIME_FOLDER_NAME=".k"
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_KVM_COMMAND_NAME="kvm"
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_KVM_VERSION_MANAGER_NAME="K Version Manager"
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_KVM_DEFAULT_FEED="https://www.myget.org/F/aspnetvnext/api/v2"
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_KVM_HOME_VAR_NAME="KRE_HOME"
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__kvm_has() {
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type "$1" > /dev/null 2>&1
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return $?
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}
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if __kvm_has "unsetopt"; then
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unsetopt nomatch 2>/dev/null
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fi
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if [ -z "$KVM_USER_HOME" ]; then
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eval KVM_USER_HOME="~/$K_DIR_NAME"
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fi
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_KVM_USER_PACKAGES="$KVM_USER_HOME/runtimes"
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_KVM_ALIAS_DIR="$KVM_USER_HOME/alias"
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if [ -z "$KRE_FEED" ]; then
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KRE_FEED="https://www.myget.org/F/aspnetvnext/api/v2"
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fi
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__kvm_find_latest() {
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local platform="mono"
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if ! __kvm_has "curl"; then
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echo "$_KVM_COMMAND_NAME needs curl to proceed." >&2;
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return 1
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fi
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local url="$KRE_FEED/GetUpdates()?packageIds=%27$_KVM_RUNTIME_PACKAGE_NAME-$platform%27&versions=%270.0%27&includePrerelease=true&includeAllVersions=false"
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xml="$(curl $url 2>/dev/null)"
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echo $xml | grep \<[a-zA-Z]:Version\>* >> /dev/null || return 1
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version="$(echo $xml | sed 's/.*<[a-zA-Z]:Version>\([^<]*\).*/\1/')"
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echo $version
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}
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__kvm_strip_path() {
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echo "$1" | sed -e "s#$_KVM_USER_PACKAGES/[^/]*$2[^:]*:##g" -e "s#:$_KVM_USER_PACKAGES/[^/]*$2[^:]*##g" -e "s#$_KVM_USER_PACKAGES/[^/]*$2[^:]*##g"
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}
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__kvm_prepend_path() {
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if [ -z "$1" ]; then
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echo "$2"
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else
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echo "$2:$1"
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fi
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}
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__kvm_package_version() {
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local runtimeFullName="$1"
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echo "$runtimeFullName" | sed "s/[^.]*.\(.*\)/\1/"
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}
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__kvm_package_name() {
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local runtimeFullName="$1"
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echo "$runtimeFullName" | sed "s/\([^.]*\).*/\1/"
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}
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__kvm_package_runtime() {
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local runtimeFullName="$1"
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echo "$runtimeFullName" | sed "s/$_KVM_RUNTIME_PACKAGE_NAME-\([^.-]*\).*/\1/"
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}
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__kvm_download() {
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local runtimeFullName="$1"
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local runtimeFolder="$2"
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local pkgName=$(__kvm_package_name "$runtimeFullName")
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local pkgVersion=$(__kvm_package_version "$runtimeFullName")
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local url="$KRE_FEED/package/$pkgName/$pkgVersion"
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local runtimeFile="$runtimeFolder/$runtimeFullName.nupkg"
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if [ -e "$runtimeFolder" ]; then
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echo "$runtimeFullName already installed."
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return 0
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fi
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echo "Downloading $runtimeFullName from $KRE_FEED"
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if ! __kvm_has "curl"; then
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echo "$_KVM_COMMAND_NAME needs curl to proceed." >&2;
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return 1
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fi
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mkdir -p "$runtimeFolder" > /dev/null 2>&1
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local httpResult=$(curl -L -D - "$url" -o "$runtimeFile" 2>/dev/null | grep "^HTTP/1.1" | head -n 1 | sed "s/HTTP.1.1 \([0-9]*\).*/\1/")
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[[ $httpResult == "404" ]] && echo "$runtimeFullName was not found in repository $KRE_FEED" && return 1
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[[ $httpResult != "302" && $httpResult != "200" ]] && echo "HTTP Error $httpResult fetching $runtimeFullName from $KRE_FEED" && return 1
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__kvm_unpack $runtimeFile $runtimeFolder
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return $?
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}
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__kvm_unpack() {
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local runtimeFile="$1"
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local runtimeFolder="$2"
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echo "Installing to $runtimeFolder"
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if ! __kvm_has "unzip"; then
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echo "$_KVM_COMMAND_NAME needs unzip to proceed." >&2;
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return 1
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fi
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unzip $runtimeFile -d $runtimeFolder > /dev/null 2>&1
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[ -e "$runtimeFolder/[Content_Types].xml" ] && rm "$runtimeFolder/[Content_Types].xml"
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[ -e "$runtimeFolder/_rels/" ] && rm -rf "$runtimeFolder/_rels/"
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[ -e "$runtimeFolder/package/" ] && rm -rf "$runtimeFolder/_package/"
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[ -e "$runtimeFile" ] && rm -f "$runtimeFile"
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#Set shell commands as executable
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find "$runtimeFolder/bin/" -type f \
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-exec sh -c "head -c 11 {} | grep '/bin/bash' > /dev/null" \; -print | xargs chmod 775
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}
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__kvm_requested_version_or_alias() {
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local versionOrAlias="$1"
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local runtimeBin=$(__kvm_locate_runtime_bin_from_full_name "$versionOrAlias")
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# If the name specified is an existing package, just use it as is
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if [ -n "$runtimeBin" ]; then
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echo "$versionOrAlias"
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else
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if [ -e "$_KVM_ALIAS_DIR/$versionOrAlias.alias" ]; then
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local runtimeFullName=$(cat "$_KVM_ALIAS_DIR/$versionOrAlias.alias")
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local pkgName=$(echo $runtimeFullName | sed "s/\([^.]*\).*/\1/")
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local pkgVersion=$(echo $runtimeFullName | sed "s/[^.]*.\(.*\)/\1/")
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local pkgPlatform=$(echo "$pkgName" | sed "s/kre-\([^.-]*\).*/\1/")
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else
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local pkgVersion=$versionOrAlias
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local pkgPlatform="mono"
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fi
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echo "$_KVM_RUNTIME_PACKAGE_NAME-$pkgPlatform.$pkgVersion"
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fi
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}
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# This will be more relevant if we support global installs
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__kvm_locate_runtime_bin_from_full_name() {
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local runtimeFullName=$1
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[ -e "$_KVM_USER_PACKAGES/$runtimeFullName/bin" ] && echo "$_KVM_USER_PACKAGES/$runtimeFullName/bin" && return
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}
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kvm()
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{
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if [ $# -lt 1 ]; then
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$_KVM_COMMAND_NAME help
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return
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fi
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case $1 in
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"help" )
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echo ""
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echo "$_KVM_VERSION_MANAGER_NAME - Build $_KVM_BUILDNUMBER"
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echo ""
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echo "USAGE: $_KVM_COMMAND_NAME <command> [options]"
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echo ""
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echo "$_KVM_COMMAND_NAME upgrade"
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echo "install latest $_KVM_RUNTIME_SHORT_NAME from feed"
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echo "add $_KVM_RUNTIME_SHORT_NAME bin to path of current command line"
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echo "set installed version as default"
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echo ""
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echo "$_KVM_COMMAND_NAME install <semver>|<alias>|<nupkg>|latest [-a|-alias <alias>] [-p -persistent]"
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echo "<semver>|<alias> install requested $_KVM_RUNTIME_SHORT_NAME from feed"
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echo "<nupkg> install requested $_KVM_RUNTIME_SHORT_NAME from local package on filesystem"
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echo "latest install latest version of $_KVM_RUNTIME_SHORT_NAME from feed"
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echo "-a|-alias <alias> set alias <alias> for requested $_KVM_RUNTIME_SHORT_NAME on install"
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echo "-p -persistent set installed version as default"
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echo "add $_KVM_RUNTIME_SHORT_NAME bin to path of current command line"
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echo ""
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echo "$_KVM_COMMAND_NAME use <semver>|<alias>|<package>|none [-p -persistent]"
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echo "<semver>|<alias>|<package> add $_KVM_RUNTIME_SHORT_NAME bin to path of current command line "
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echo "none remove $_KVM_RUNTIME_SHORT_NAME bin from path of current command line"
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echo "-p -persistent set selected version as default"
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echo ""
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echo "$_KVM_COMMAND_NAME list"
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echo "list $_KVM_RUNTIME_SHORT_NAME versions installed "
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echo ""
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echo "$_KVM_COMMAND_NAME alias"
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echo "list $_KVM_RUNTIME_SHORT_NAME aliases which have been defined"
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echo ""
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echo "$_KVM_COMMAND_NAME alias <alias>"
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echo "display value of the specified alias"
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echo ""
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echo "$_KVM_COMMAND_NAME alias <alias> <semver>|<alias>|<package>"
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echo "<alias> the name of the alias to set"
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echo "<semver>|<alias>|<package> the $_KVM_RUNTIME_SHORT_NAME version to set the alias to. Alternatively use the version of the specified alias"
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echo ""
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echo "$_KVM_COMMAND_NAME unalias <alias>"
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echo "remove the specified alias"
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echo ""
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;;
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"upgrade" )
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[ $# -ne 1 ] && kvm help && return
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$_KVM_COMMAND_NAME install latest -p
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;;
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"install" )
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[ $# -lt 2 ] && kvm help && return
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shift
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local persistent=
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local versionOrAlias=
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local alias=
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while [ $# -ne 0 ]
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do
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if [[ $1 == "-p" || $1 == "-persistent" ]]; then
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local persistent="-p"
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elif [[ $1 == "-a" || $1 == "-alias" ]]; then
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local alias=$2
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shift
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elif [[ -n $1 ]]; then
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[[ -n $versionOrAlias ]] && echo "Invalid option $1" && kvm help && return 1
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local versionOrAlias=$1
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fi
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shift
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done
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if [[ "$versionOrAlias" == "latest" ]]; then
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echo "Determining latest version"
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versionOrAlias=$(__kvm_find_latest)
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[[ $? == 1 ]] && echo "Error: Could not find latest version from feed $KRE_FEED" && return 1
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echo "Latest version is $versionOrAlias"
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fi
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if [[ "$versionOrAlias" == *.nupkg ]]; then
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local runtimeFullName=$(basename $versionOrAlias | sed "s/\(.*\)\.nupkg/\1/")
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local runtimeVersion=$(__kvm_package_version "$runtimeFullName")
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local runtimeFolder="$_KVM_USER_PACKAGES/$runtimeFullName"
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local runtimeFile="$runtimeFolder/$runtimeFullName.nupkg"
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if [ -e "$runtimeFolder" ]; then
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echo "$runtimeFullName already installed"
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else
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mkdir "$runtimeFolder" > /dev/null 2>&1
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cp -a "$versionOrAlias" "$runtimeFile"
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__kvm_unpack "$runtimeFile" "$runtimeFolder"
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[[ $? == 1 ]] && return 1
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fi
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$_KVM_COMMAND_NAME use "$runtimeVersion" "$persistent"
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[[ -n $alias ]] && kvm alias "$alias" "$runtimeVersion"
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else
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local runtimeFullName="$(__kvm_requested_version_or_alias $versionOrAlias)"
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local runtimeFolder="$_KVM_USER_PACKAGES/$runtimeFullName"
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__kvm_download "$runtimeFullName" "$runtimeFolder"
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[[ $? == 1 ]] && return 1
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$_KVM_COMMAND_NAME use "$versionOrAlias" "$persistent"
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[[ -n $alias ]] && kvm alias "$alias" "$versionOrAlias"
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fi
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;;
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"use" )
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[ $# -gt 3 ] && $_KVM_COMMAND_NAME help && return
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[ $# -lt 2 ] && $_KVM_COMMAND_NAME help && return
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shift
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local persistent=
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while [ $# -ne 0 ]
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do
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if [[ $1 == "-p" || $1 == "-persistent" ]]; then
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local persistent="true"
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elif [[ -n $1 ]]; then
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local versionOrAlias=$1
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fi
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shift
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done
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if [[ $versionOrAlias == "none" ]]; then
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echo "Removing $_KVM_RUNTIME_SHORT_NAME from process PATH"
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# Strip other version from PATH
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PATH=$(__kvm_strip_path "$PATH" "/bin")
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if [[ -n $persistent && -e "$_KVM_ALIAS_DIR/default.alias" ]]; then
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echo "Setting default $_KVM_RUNTIME_SHORT_NAME to none"
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rm "$_KVM_ALIAS_DIR/default.alias"
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fi
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return 0
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fi
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local runtimeFullName=$(__kvm_requested_version_or_alias "$versionOrAlias")
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local runtimeBin=$(__kvm_locate_runtime_bin_from_full_name "$runtimeFullName")
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if [[ -z $runtimeBin ]]; then
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echo "Cannot find $runtimeFullName, do you need to run '$_KVM_COMMAND_NAME install $versionOrAlias'?"
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return 1
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fi
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echo "Adding" $runtimeBin "to process PATH"
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PATH=$(__kvm_strip_path "$PATH" "/bin")
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PATH=$(__kvm_prepend_path "$PATH" "$runtimeBin")
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if [[ -n $persistent ]]; then
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local runtimeVersion=$(__kvm_package_version "$runtimeFullName")
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$_KVM_COMMAND_NAME alias default "$runtimeVersion"
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fi
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;;
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"alias" )
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[[ $# -gt 3 ]] && kvm help && return
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[[ ! -e "$_KVM_ALIAS_DIR/" ]] && mkdir "$_KVM_ALIAS_DIR/" > /dev/null
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if [[ $# == 1 ]]; then
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echo ""
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local format="%-20s %s\n"
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printf "$format" "Alias" "Name"
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printf "$format" "-----" "----"
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if [ -d "$_KVM_ALIAS_DIR" ]; then
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for __kvm_file in $(find "$_KVM_ALIAS_DIR" -name *.alias); do
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local alias="$(basename $__kvm_file | sed 's/\.alias//')"
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local name="$(cat $__kvm_file)"
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printf "$format" "$alias" "$name"
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done
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fi
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echo ""
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return
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fi
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local name="$2"
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if [[ $# == 2 ]]; then
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[[ ! -e "$_KVM_ALIAS_DIR/$name.alias" ]] && echo "There is no alias called '$name'" && return
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cat "$_KVM_ALIAS_DIR/$name.alias"
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echo ""
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return
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fi
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local runtimeFullName=$(__kvm_requested_version_or_alias "$3")
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[[ ! -d "$_KVM_USER_PACKAGES/$runtimeFullName" ]] && echo "$runtimeFullName is not an installed $_KVM_RUNTIME_SHORT_NAME version" && return 1
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local action="Setting"
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[[ -e "$_KVM_ALIAS_DIR/$name.alias" ]] && action="Updating"
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echo "$action alias '$name' to '$runtimeFullName'"
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echo "$runtimeFullName" > "$_KVM_ALIAS_DIR/$name.alias"
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;;
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"unalias" )
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[[ $# -ne 2 ]] && kvm help && return
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local name=$2
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local aliasPath="$_KVM_ALIAS_DIR/$name.alias"
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[[ ! -e "$aliasPath" ]] && echo "Cannot remove alias, '$name' is not a valid alias name" && return 1
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echo "Removing alias $name"
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rm "$aliasPath" >> /dev/null 2>&1
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;;
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"list" )
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[[ $# -gt 2 ]] && kvm help && return
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[[ ! -d $_KVM_USER_PACKAGES ]] && echo "$_KVM_RUNTIME_FRIENDLY_NAME is not installed." && return 1
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local searchGlob="$_KVM_RUNTIME_PACKAGE_NAME-*"
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if [ $# == 2 ]; then
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local versionOrAlias=$2
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local searchGlob=$(__kvm_requested_version_or_alias "$versionOrAlias")
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fi
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echo ""
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# Separate empty array declaration from initialization
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# to avoid potential ZSH error: local:217: maximum nested function level reached
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local arr
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arr=()
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# Z shell array-index starts at one.
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local i=1
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local format="%-20s %s\n"
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if [ -d "$_KVM_ALIAS_DIR" ]; then
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for __kvm_file in $(find "$_KVM_ALIAS_DIR" -name *.alias); do
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arr[$i]="$(basename $__kvm_file | sed 's/\.alias//')/$(cat $__kvm_file)"
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let i+=1
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done
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fi
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local formatString="%-6s %-20s %-7s %-20s %s\n"
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printf "$formatString" "Active" "Version" "Runtime" "Location" "Alias"
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printf "$formatString" "------" "-------" "-------" "--------" "-----"
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local formattedHome=`(echo $_KVM_USER_PACKAGES | sed s=$HOME=~=g)`
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for f in $(find $_KVM_USER_PACKAGES -name "$searchGlob" \( -type d -or -type l \) -prune -exec basename {} \;); do
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local active=""
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[[ $PATH == *"$_KVM_USER_PACKAGES/$f/bin"* ]] && local active=" *"
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local pkgName=$(__kvm_package_runtime "$f")
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local pkgVersion=$(__kvm_package_version "$f")
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local alias=""
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local delim=""
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for i in "${arr[@]}"; do
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temp="$_KVM_RUNTIME_PACKAGE_NAME-$pkgName.$pkgVersion"
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temp2="$_KVM_RUNTIME_PACKAGE_NAME-$pkgName-x86.$pkgVersion"
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if [[ ${i#*/} == $temp || ${i#*/} == $temp2 ]]; then
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alias+="$delim${i%/*}"
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delim=", "
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fi
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done
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printf "$formatString" "$active" "$pkgVersion" "$pkgName" "$formattedHome" "$alias"
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[[ $# == 2 ]] && echo "" && return 0
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done
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echo ""
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[[ $# == 2 ]] && echo "$versionOrAlias not found" && return 1
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;;
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*)
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echo "Unknown command $1"
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return 1
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esac
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return 0
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}
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# Generate the command function using the constant defined above.
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$_KVM_COMMAND_NAME list default >/dev/null && $_KVM_COMMAND_NAME use default >/dev/null || true
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