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add option to set GRUB timeout #52

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Merged
cloudymax merged 1 commit into from Mar 23, 2024
Merged

add option to set GRUB timeout #52

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15 changes: 15 additions & 0 deletions image-create.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@ export_metadata(){
export SOURCE_ISO="${ORIGINAL_ISO}"
export DESTINATION_ISO="ubuntu-autoinstall.iso"
export SHA_SUFFIX="${TODAY}"
export DEFAULT_TIMEOUT="30"
export TIMEOUT="${DEFAULT_TIMEOUT}"
export UBUNTU_GPG_KEY_ID="843938DF228D22F7B3742BC0D94AA3F0EFE21092"
export GPG_VERIFY=1
export ALL_IN_ONE=0
Expand Down Expand Up @@ -76,6 +78,8 @@ Available options:
-r, --use-release-iso Use the current release ISO instead of the daily ISO. The file will be used if it already
exists.

-t, --timeout Set the GRUB timeout. Defaults to 30.

-s, --source Source ISO file path. By default the latest daily ISO for Ubuntu server will be downloaded
and saved as <script directory>/ubuntu-original-<current date>.iso
That file will be used by default if it already exists.
Expand Down Expand Up @@ -132,6 +136,10 @@ parse_params() {
OFFLINE_INSTALLER="${2-}"
shift
;;
-t | --timeout)
TIMEOUT="${2-}"
shift
;;
-?*) die "Unknown option: $1" ;;
*) break ;;
esac
Expand Down Expand Up @@ -340,6 +348,13 @@ set_kernel_autoinstall(){
sed -i -r 's/timeout\s+[0-9]+/timeout 1/g' "${BUILD_DIR}/isolinux/isolinux.cfg"
fi

if [[ "${TIMEOUT}" != "${DEFAULT_TIMEOUT}" ]]; then
log "🧩 Setting grub timeout to ${TIMEOUT} sec ..."
sed -i -e 's/set timeout=30/set timeout=1/g' "${BUILD_DIR}/boot/grub/grub.cfg"
sed -i -e 's/set timeout=30/set timeout=1/g' "${BUILD_DIR}/boot/grub/loopback.cfg"
log "👍 Set grub timeout to ${TIMEOUT} sec."
fi

log "👍 Added parameter to UEFI and BIOS kernel command lines."

if [ ${ALL_IN_ONE} -eq 1 ]; then
Expand Down