+# Set varaibles for installation in EFI/BOOT directory
+SetVarsForBoot() {
+ TargetDir="/EFI/BOOT"
+ if [[ $ShimSource == "none" ]] ; then
+ TargetX64="bootx64.efi"
+ TargetIA32="bootia32.efi"
+ else
+ if [[ $ShimType == "shim.efi" || $ShimType == "shimx64.efi" ]] ; then
+ TargetX64="grubx64.efi"
+ elif [[ $ShimType == "preloader.efi" || $ShimType == "PreLoader.efi" ]] ; then
+ TargetX64="loader.efi"
+ else
+ echo "Unknown shim/PreBootloader type: $ShimType"
+ echo "Aborting!"
+ exit 1
+ fi
+ TargetIA32="bootia32.efi"
+ TargetShim="bootx64.efi"
+ fi
+} # SetFilenamesForBoot()
+
+# Set variables for installation in EFI/Microsoft/Boot directory
+SetVarsForMsBoot() {
+ TargetDir="/EFI/Microsoft/Boot"
+ if [[ $ShimSource == "none" ]] ; then
+ TargetX64="bootmgfw.efi"
+ else
+ if [[ $ShimType == "shim.efi" || $ShimType == "shimx64.efi" ]] ; then
+ TargetX64="grubx64.efi"
+ elif [[ $ShimType == "preloader.efi" || $ShimType == "PreLoader.efi" ]] ; then
+ TargetX64="loader.efi"
+ else
+ echo "Unknown shim/PreBootloader type: $ShimType"
+ echo "Aborting!"
+ exit 1
+ fi
+ TargetShim="bootmgfw.efi"
+ fi
+}
+
+# TargetDir defaults to /EFI/refind; however, this function adjusts it as follows:
+# - If an existing refind.conf is available in /EFI/BOOT or /EFI/Microsoft/Boot,
+# install to that directory under the suitable name; but DO NOT do this if
+# refind.conf is also in /EFI/refind.
+# - If booted in BIOS mode and the ESP lacks any other EFI files, install to
+# /EFI/BOOT
+# - If booted in BIOS mode and there's no refind.conf file and there is a
+# /EFI/Microsoft/Boot/bootmgfw.efi file, move it down one level and
+# install under that name, "hijacking" the Windows boot loader filename
+DetermineTargetDir() {
+ Upgrade=0
+
+ if [[ -f $InstallDir/EFI/BOOT/refind.conf ]] ; then
+ SetVarsForBoot
+ Upgrade=1
+ fi
+ if [[ -f $InstallDir/EFI/Microsoft/Boot/refind.conf ]] ; then
+ SetVarsForMsBoot
+ Upgrade=1
+ fi
+ if [[ -f $InstallDir/EFI/refind/refind.conf ]] ; then
+ TargetDir="/EFI/refind"
+ Upgrade=1
+ fi
+ if [[ $Upgrade == 1 ]] ; then
+ echo "Found rEFInd installation in $InstallDir$TargetDir; upgrading it."
+ fi
+
+ if [[ ! -d /sys/firmware/efi && $Upgrade == 0 ]] ; then # BIOS-mode
+ FoundEfiFiles=`find "$InstallDir/EFI/BOOT" -name "*.efi" 2> /dev/null`
+ FoundConfFiles=`find "$InstallDir" -name "refind\.conf" 2> /dev/null`
+ if [[ ! -n "$FoundConfFiles" && -f "$InstallDir/EFI/Microsoft/Boot/bootmgfw.efi" ]] ; then
+ mv -n "$InstallDir/EFI/Microsoft/Boot/bootmgfw.efi" "$InstallDir/EFI/Microsoft" &> /dev/null
+ SetVarsForMsBoot
+ echo "Running in BIOS mode with a suspected Windows installation; moving boot loader"
+ echo "files so as to install to $InstallDir$TargetDir."
+ elif [[ ! -n "$FoundEfiFiles" ]] ; then # In BIOS mode and no default loader; install as default loader
+ SetVarsForBoot
+ echo "Running in BIOS mode with no existing default boot loader; installing to"
+ echo $InstallDir$TargetDir
+ else
+ echo "Running in BIOS mode with an existing default boot loader; backing it up and"
+ echo "installing rEFInd in its place."
+ if [[ -d "$InstallDir/EFI/BOOT-rEFIndBackup" ]] ; then
+ echo ""
+ echo "Caution: An existing backup of a default boot loader exists! If the current"
+ echo "default boot loader and the backup are different boot loaders, the current"
+ echo "one will become inaccessible."
+ echo ""
+ echo -n "Do you want to proceed with installation (Y/N)? "
+ ReadYesNo
+ if [[ $YesNo == "Y" || $YesNo == "y" ]] ; then
+ echo "OK; continuing with the installation..."
+ else
+ exit 0
+ fi
+ fi
+ mv -n "$InstallDir/EFI/BOOT" "$InstallDir/EFI/BOOT-rEFIndBackup"
+ SetVarsForBoot
+ fi
+ fi # BIOS-mode
+} # DetermineTargetDir()
+