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# kvm.sh
# Source this file from your .bash-profile or script to use
_kvm_has() {
type "$1" > /dev/null 2>&1
return $?
}
if _kvm_has "unsetopt"; then
unsetopt nomatch 2>/dev/null
fi
if [ -z "$KRE_USER_HOME" ]; then
eval KRE_USER_HOME=~/.kre
fi
KRE_USER_PACKAGES="$KRE_USER_HOME/packages"
if [ -z "$KRE_FEED" ]; then
KRE_FEED="https://www.nuget.org/api/v2"
fi
_kvm_find_latest() {
local platform="Mono"
if ! _kvm_has "curl"; then
echo 'KVM Needs curl to proceed.' >&2;
return 1
fi
local url="$KRE_FEED/GetUpdates()?packageIds=%27KRE-$platform%27&versions=%270.0%27&includePrerelease=true&includeAllVersions=false"
xml="$(curl $url 2>/dev/null)"
echo $xml | grep \<[a-zA-Z]:Version\>* >> /dev/null || return 1
version="$(echo $xml | sed 's/.*<[a-zA-Z]:Version>\([^<]*\).*/\1/')"
echo $version
}
_kvm_strip_path() {
echo "$1" | sed -e "s#$KRE_USER_PACKAGES/[^/]*$2[^:]*:##g" -e "s#:$KRE_USER_PACKAGES/[^/]*$2[^:]*##g" -e "s#$KRE_USER_PACKAGES/[^/]*$2[^:]*##g"
}
_kvm_prepend_path() {
if [ -z "$1" ]; then
echo "$2"
else
echo "$2:$1"
fi
}
_kvm_package_version() {
local kreFullName="$1"
echo "$kreFullName" | sed "s/[^.]*.\(.*\)/\1/"
}
_kvm_package_name() {
local kreFullName="$1"
echo "$kreFullName" | sed "s/\([^.]*\).*/\1/"
}
_kvm_package_runtime() {
local kreFullName="$1"
echo "$kreFullName" | sed "s/KRE-\([^.-]*\).*/\1/"
}
_kvm_download() {
local kreFullName="$1"
local kreFolder="$2"
local pkgName=$(_kvm_package_name "$kreFullName")
local pkgVersion=$(_kvm_package_version "$kreFullName")
local url="$KRE_FEED/package/$pkgName/$pkgVersion"
local kreFile="$kreFolder/$kreFullName.nupkg"
if [ -e "$kreFolder" ]; then
echo "$kreFullName already installed."
return 0
fi
echo "Downloading $kreFullName from $KRE_FEED"
if ! _kvm_has "curl"; then
echo "KVM Needs curl to proceed." >&2;
return 1
fi
mkdir -p "$kreFolder" > /dev/null 2>&1
local httpResult=$(curl -L -D - -u aspnetreadonly:4d8a2d9c-7b80-4162-9978-47e918c9658c "$url" -o "$kreFile" 2>/dev/null | grep "^HTTP/1.1" | head -n 1 | sed "s/HTTP.1.1 \([0-9]*\).*/\1/")
[[ $httpResult == "404" ]] && echo "$kreFullName was not found in repository $KRE_FEED" && return 1
[[ $httpResult != "302" && $httpResult != "200" ]] && echo "HTTP Error $httpResult fetching $kreFullName from $KRE_FEED" && return 1
_kvm_unpack $kreFile $kreFolder
return $?
}
_kvm_unpack() {
local kreFile="$1"
local kreFolder="$2"
echo "Installing to $kreFolder"
if ! _kvm_has "unzip"; then
echo "KVM Needs unzip to proceed." >&2;
return 1
fi
unzip $kreFile -d $kreFolder > /dev/null 2>&1
[ -e "$kreFolder/[Content_Types].xml" ] && rm "$kreFolder/[Content_Types].xml"
[ -e "$kreFolder/_rels/" ] && rm -rf "$kreFolder/_rels/"
[ -e "$kreFolder/package/" ] && rm -rf "$kreFolder/_package/"
#Set shell commands as executable
find "$kreFolder/bin/" -type f \
-exec sh -c "head -c 11 {} | grep '/bin/bash' > /dev/null" \; -print | xargs chmod 775
}
_kvm_requested_version_or_alias() {
local versionOrAlias="$1"
if [ -e "$KRE_USER_HOME/alias/$versionOrAlias.alias" ]; then
local kreFullName=$(cat "$KRE_USER_HOME/alias/$versionOrAlias.alias")
local pkgName=$(echo $kreFullName | sed "s/\([^.]*\).*/\1/")
local pkgVersion=$(echo $kreFullName | sed "s/[^.]*.\(.*\)/\1/")
local pkgPlatform=$(echo "$pkgName" | sed "s/KRE-\([^.-]*\).*/\1/")
else
local pkgVersion=$versionOrAlias
local pkgPlatform="Mono"
fi
echo "KRE-$pkgPlatform.$pkgVersion"
}
# This will be more relevant if we support global installs
_kvm_locate_kre_bin_from_full_name() {
local kreFullName=$1
[ -e "$KRE_USER_PACKAGES/$kreFullName/bin" ] && echo "$KRE_USER_PACKAGES/$kreFullName/bin" && return
}
kvm()
{
if [ $# -lt 1 ]; then
kvm help
return
fi
case $1 in
"help" )
echo ""
echo "K Runtime Environment Version Manager - Build 10017"
echo ""
echo "USAGE: kvm <command> [options]"
echo ""
echo "kvm upgrade"
echo "install latest KRE from feed"
echo "add KRE bin to path of current command line"
echo "set installed version as default"
echo ""
echo "kvm install <semver>|<alias>|<nupkg>|latest [-a|-alias <alias>] [-p -persistent]"
echo "<semver>|<alias> install requested KRE from feed"
echo "<nupkg> install requested KRE from local package on filesystem"
echo "latest install latest version of KRE from feed"
echo "-a|-alias <alias> set alias <alias> for requested KRE on install"
echo "-p -persistent set installed version as default"
echo "add KRE bin to path of current command line"
echo ""
echo "kvm use <semver>|<alias>|none [-p -persistent]"
echo "<semver>|<alias> add KRE bin to path of current command line "
echo "none remove KRE bin from path of current command line"
echo "-p -persistent set selected version as default"
echo ""
echo "kvm list"
echo "list KRE versions installed "
echo ""
echo "kvm alias"
echo "list KRE aliases which have been defined"
echo ""
echo "kvm alias <alias>"
echo "display value of the specified alias"
echo ""
echo "kvm alias <alias> <semver>"
echo "<alias> The name of the alias to set"
echo "<semver>|<alias> The KRE version to set the alias to. Alternatively use the version of the specified alias"
echo ""
echo "kvm unalias <alias>"
echo "remove the specified alias"
echo ""
;;
"upgrade" )
[ $# -ne 1 ] && kvm help && return
kvm install latest -p
;;
"install" )
[ $# -lt 2 ] && kvm help && return
shift
local persistant=
local versionOrAlias=
local alias=
while [ $# -ne 0 ]
do
if [[ $1 == "-p" || $1 == "-persistant" ]]; then
local persistent="-p"
elif [[ $1 == "-a" || $1 == "-alias" ]]; then
local alias=$2
shift
elif [[ -n $1 ]]; then
[[ -n $versionOrAlias ]] && echo "Invalid option $1" && kvm help && return 1
local versionOrAlias=$1
fi
shift
done
if [[ "$versionOrAlias" == "latest" ]]; then
echo "Determining latest version"
versionOrAlias=$(_kvm_find_latest)
[[ $? == 1 ]] && echo "Error: Could not find latest version from feed $KRE_FEED" && return 1
echo "Latest version is $versionOrAlias"
fi
if [[ "$versionOrAlias" == *.nupkg ]]; then
local kreFullName=$(basename $versionOrAlias | sed "s/\(.*\)\.nupkg/\1/")
local kreVersion=$(_kvm_package_version "$kreFullName")
local kreFolder="$KRE_USER_PACKAGES/$kreFullName"
local kreFile="$kreFolder/$kreFullName.nupkg"
if [ -e "$kreFolder" ]; then
echo "$kreFullName already installed"
else
mkdir "$kreFolder" > /dev/null 2>&1
cp -a "$versionOrAlias" "$kreFile"
_kvm_unpack "$kreFile" "$kreFolder"
[[ $? == 1 ]] && return 1
fi
kvm use "$kreVersion" "$persistent"
[[ -n $alias ]] && kvm alias "$alias" "$kreVersion"
else
local kreFullName="$(_kvm_requested_version_or_alias $versionOrAlias)"
local kreFolder="$KRE_USER_PACKAGES/$kreFullName"
_kvm_download "$kreFullName" "$kreFolder"
[[ $? == 1 ]] && return 1
kvm use "$versionOrAlias" "$persistent"
[[ -n $alias ]] && kvm alias "$alias" "$versionOrAlias"
fi
;;
"use" )
[ $# -gt 3 ] && kvm help && return
[ $# -lt 2 ] && kvm help && return
shift
local persistent=
while [ $# -ne 0 ]
do
if [[ $1 == "-p" || $1 == "-persistent" ]]; then
local persistent="true"
elif [[ -n $1 ]]; then
local versionOrAlias=$1
fi
shift
done
if [[ $versionOrAlias == "none" ]]; then
echo "Removing KRE from process PATH"
# Strip other version from PATH
PATH=$(_kvm_strip_path "$PATH" "/bin")
if [[ -n $persistent && -e "$KRE_USER_HOME/alias/default.alias" ]]; then
echo "Setting default KRE to none"
rm "$KRE_USER_HOME/alias/default.alias"
fi
return 0
fi
local kreFullName=$(_kvm_requested_version_or_alias "$versionOrAlias")
local kreBin=$(_kvm_locate_kre_bin_from_full_name "$kreFullName")
if [[ -z $kreBin ]]; then
echo "Cannot find $kreFullName, do you need to run 'kvm install $versionOrAlias'?"
return 1
fi
echo "Adding" $kreBin "to process PATH"
PATH=$(_kvm_strip_path "$PATH" "/bin")
PATH=$(_kvm_prepend_path "$PATH" "$kreBin")
if [[ -n $persistent ]]; then
local kreVersion=$(_kvm_package_version "$kreFullName")
kvm alias default "$kreVersion"
fi
;;
"alias" )
[[ $# -gt 3 ]] && kvm help && return
[[ ! -e "$KRE_USER_HOME/alias/" ]] && mkdir "$KRE_USER_HOME/alias/" > /dev/null
if [[ $# == 1 ]]; then
echo ""
local format="%-20s %s\n"
printf "$format" "Alias" "Name"
printf "$format" "-----" "----"
for _kvm_file in $(find "$KRE_USER_HOME/alias" -name *.alias); do
local alias="$(basename $_kvm_file | sed 's/.alias//')"
local name="$(cat $_kvm_file)"
printf "$format" "$alias" "$name"
done
echo ""
return
fi
local name="$2"
if [[ $# == 2 ]]; then
[[ ! -e "$KRE_USER_HOME/alias/$name.alias" ]] && echo "There is no alias called '$name'" && return
cat "$KRE_USER_HOME/alias/$name.alias"
echo ""
return
fi
local kreFullName=$(_kvm_requested_version_or_alias "$3")
[[ ! -d "$KRE_USER_PACKAGES/$kreFullName" ]] && echo "$kreFullName is not an installed KRE version" && return 1
local action="Setting"
[[ -e "$KRE_USER_HOME/alias/$name.alias" ]] && action="Updating"
echo "$action alias '$name' to '$kreFullName'"
echo "$kreFullName" > "$KRE_USER_HOME/alias/$name.alias"
;;
"unalias" )
[[ $# -ne 2 ]] && kvm help && return
local name=$2
local aliasPath="$KRE_USER_HOME/alias/$name.alias"
[[ ! -e "$aliasPath" ]] && echo "Cannot remove alias, '$name' is not a valid alias name" && return 1
echo "Removing alias $name"
rm "$aliasPath" >> /dev/null 2>&1
;;
"list" )
[[ $# -gt 2 ]] && kvm help && return
[[ ! -d $KRE_USER_PACKAGES ]] && echo "KRE is not installed." && return 1
local searchGlob="KRE-*"
if [ $# == 2 ]; then
local versionOrAlias=$2
local searchGlob=$(_kvm_requested_version_or_alias "$versionOrAlias")
fi
echo ""
local arr=()
local i=0
local format="%-20s %s\n"
for _kvm_file in $(find "$KRE_USER_HOME/alias" -name *.alias); do
arr[$i]="$(basename $_kvm_file | sed 's/.alias//')/$(cat $_kvm_file)"
let i+=1
done
local formatString="%-6s %-20s %-7s %-20s %s\n"
printf "$formatString" "Active" "Version" "Runtime" "Location" "Alias"
printf "$formatString" "------" "-------" "-------" "--------" "-----"
local formattedHome=`(echo $KRE_USER_PACKAGES | sed s=$HOME=~=g)`
for f in $(find $KRE_USER_PACKAGES/* -name "$searchGlob" -type d -prune -exec basename {} \;); do
local active=""
[[ $PATH == *"$KRE_USER_PACKAGES/$f/bin"* ]] && local active=" *"
local pkgName=$(_kvm_package_runtime "$f")
local pkgVersion=$(_kvm_package_version "$f")
local alias=""
local delim=""
for i in "${arr[@]}"; do
temp="KRE-$pkgName.$pkgVersion"
temp2="KRE-$pkgName-x86.$pkgVersion"
if [[ ${i#*/} == $temp || ${i#*/} == $temp2 ]]; then
alias+="$delim${i%/*}"
delim=", "
fi
done
printf "$formatString" "$active" "$pkgVersion" "$pkgName" "$formattedHome" "$alias"
[[ $# == 2 ]] && echo "" && return 0
done
echo ""
[[ $# == 2 ]] && echo "$versionOrAlias not found" && return 1
;;
*)
echo "Unknown command $1"
return 1
esac
return 0
}
kvm list default >/dev/null && kvm use default >/dev/null || true