cygsu

#!/usr/bin/env bash
set -euo pipefail

export MSYS2_ARG_CONV_EXCL="*"

getsid() {
  "$(cygpath -u $SYSTEMROOT)/System32/whoami" /user | tail -n 1 | awk '{print $NF}'
}

gettmpl() {
  cat << EOF
<?xml version="1.0" encoding="UTF-16"?>
<Task version="1.6" xmlns="http://schemas.microsoft.com/windows/2004/02/mit/task">
  <RegistrationInfo>
    <Author>CygwinSkipUAC</Author>
    <URI>$tn</URI>
  </RegistrationInfo>
  <Triggers>
  </Triggers>
  <Principals>
    <Principal id="Author">
      <UserId>$sid</UserId>
      <LogonType>InteractiveToken</LogonType>
      <RunLevel>HighestAvailable</RunLevel>
    </Principal>
  </Principals>
  <Settings>
    <MultipleInstancesPolicy>IgnoreNew</MultipleInstancesPolicy>
    <DisallowStartIfOnBatteries>false</DisallowStartIfOnBatteries>
    <StopIfGoingOnBatteries>false</StopIfGoingOnBatteries>
    <AllowHardTerminate>false</AllowHardTerminate>
    <StartWhenAvailable>true</StartWhenAvailable>
    <RunOnlyIfNetworkAvailable>false</RunOnlyIfNetworkAvailable>
    <IdleSettings>
      <StopOnIdleEnd>false</StopOnIdleEnd>
      <RestartOnIdle>false</RestartOnIdle>
    </IdleSettings>
    <AllowStartOnDemand>true</AllowStartOnDemand>
    <Enabled>true</Enabled>
    <Hidden>false</Hidden>
    <RunOnlyIfIdle>false</RunOnlyIfIdle>
    <DisallowStartOnRemoteAppSession>false</DisallowStartOnRemoteAppSession>
    <UseUnifiedSchedulingEngine>true</UseUnifiedSchedulingEngine>
    <WakeToRun>false</WakeToRun>
    <ExecutionTimeLimit>PT0S</ExecutionTimeLimit>
    <Priority>7</Priority>
  </Settings>
  <Actions Context="Author">
    <Exec>
      <Command>$cmd</Command>
      <Arguments>$args</Arguments>
      <WorkingDirectory>$dirrun</WorkingDirectory>
    </Exec>
  </Actions>
</Task>
EOF
}

subcmd="$1"
tn="${2//\//\\}"
shift; shift;

if [[ "$subcmd" == "check" ]]; then
  schtasks /Query /TN "$tn"
elif [[ "$subcmd" == "del" ]]; then
  elevate -w schtasks /Delete /TN "$tn" /F
elif [[ "$subcmd" == "run" ]]; then
  schtasks /Run /TN "$tn"
elif [[ "$subcmd" == "make" ]]; then
  sid="$(getsid | tr -d '\n\r')"
  TMPFILE="$(mktemp --suffix=.xml)"
  trap 'rm -fv "$TMPFILE"' EXIT

  cmd="$(readlink -f "$1")"
  dirrun="$(cygpath -aw "$(dirname "$cmd")")"
  cmd="$(cygpath -aw "$cmd")"
  shift;
  args=""
  for arg in "$@"; do
    args+="\"$arg\" "
  done
  args="${args% }"
  gettmpl > "$TMPFILE"
  elevate -w schtasks /Create /TN "$tn" /xml "$(cygpath -aw "$TMPFILE")"
fi