mirror of
https://github.com/keylase/nvidia-patch.git
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Merge pull request #163 from Snawoot/opmodes
Automation-friendly patch.sh
This commit is contained in:
Snawoot
13
README.md
13
README.md
@@ -49,14 +49,17 @@ Requirements:
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# bash ./patch.sh -h
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SYNOPSIS
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patch.sh [OPTION]...
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patch.sh [-s] [-r|-h|-c VERSION|-l]
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DESCRIPTION
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The patch for Nvidia drivers to increase encoder sessions
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The patch for Nvidia drivers to remove NVENC session limit
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-s Silent mode (No output)
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-r Rollback to original (Restore lib from backup)
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-h Print this help message
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-s Silent mode (No output)
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-r Rollback to original (Restore lib from backup)
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-h Print this help message
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-c VERSION Check if version VERSION supported by this patch.
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Returns true exit code (0) if version is supported.
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-l List supported driver versions
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```
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161
patch.sh
161
patch.sh
@@ -6,29 +6,36 @@ set -euo pipefail ; # <- this semicolon and comment make options apply
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backup_path="/opt/nvidia/libnvidia-encode-backup"
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silent_flag=''
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rollback_flag=''
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print_usage() { printf '
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SYNOPSIS
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patch.sh [OPTION]...
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patch.sh [-s] [-r|-h|-c VERSION|-l]
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DESCRIPTION
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The patch for Nvidia drivers to increase encoder sessions
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The patch for Nvidia drivers to remove NVENC session limit
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-s Silent mode (No output)
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-r Rollback to original (Restore lib from backup)
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-h Print this help message
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-s Silent mode (No output)
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-r Rollback to original (Restore lib from backup)
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-h Print this help message
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-c VERSION Check if version VERSION supported by this patch.
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Returns true exit code (0) if version is supported.
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-l List supported driver versions
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'
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}
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while getopts 'rsh' flag; do
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case "${flag}" in
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r) rollback_flag='true' ;;
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s) silent_flag='true' ;;
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*) print_usage
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exit 1 ;;
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esac
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# shellcheck disable=SC2209
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opmode="patch"
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while getopts 'rshc:l' flag; do
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case "${flag}" in
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r) opmode="${opmode}rollback" ;;
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s) silent_flag='true' ;;
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h) opmode="${opmode}help" ;;
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c) opmode="${opmode}checkversion" ; checked_version="$OPTARG" ;;
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l) opmode="${opmode}listversions" ;;
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*) echo "Incorrect option specified in command line" ; exit 2 ;;
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esac
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done
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if [[ $silent_flag ]]; then
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@@ -105,56 +112,84 @@ declare -A object_list=(
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["435.21"]='libnvcuvid.so'
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)
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NVIDIA_SMI="$(command -v nvidia-smi)"
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check_version_supported () {
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local ver="$1"
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[[ "${patch_list[$ver]+isset}" && "${object_list[$ver]+isset}" ]]
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}
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if ! driver_version=$("$NVIDIA_SMI" --query-gpu=driver_version --format=csv,noheader,nounits | head -n 1) ; then
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echo 'Something went wrong. Check nvidia driver'
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exit 1;
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fi
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echo "Detected nvidia driver version: $driver_version"
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if [[ ! "${patch_list[$driver_version]+isset}" || ! "${object_list[$driver_version]+isset}" ]]; then
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echo "Patch for this ($driver_version) nvidia driver not found." 1>&2
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echo "Available patches for: " 1>&2
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get_supported_versions () {
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for drv in "${!patch_list[@]}"; do
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echo "$drv" 1>&2
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done
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exit 1;
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fi
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[[ "${object_list[$drv]+isset}" ]] && echo "$drv"
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done | sort -t. -n
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return 0
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}
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patch="${patch_list[$driver_version]}"
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object="${object_list[$driver_version]}"
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declare -a driver_locations=(
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'/usr/lib/x86_64-linux-gnu'
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'/usr/lib/x86_64-linux-gnu/nvidia/current/'
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'/usr/lib64'
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"/usr/lib/nvidia-${driver_version%%.*}"
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)
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dir_found=''
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for driver_dir in "${driver_locations[@]}" ; do
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if [[ -e "$driver_dir/$object.$driver_version" ]]; then
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dir_found='true'
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break
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patch_common () {
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NVIDIA_SMI="$(command -v nvidia-smi || true)"
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if [[ ! "$NVIDIA_SMI" ]] ; then
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echo 'nvidia-smi utility not found. Probably driver is not installed.'
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exit 1
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fi
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done
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[[ "$dir_found" ]] || { echo "ERROR: cannot detect driver directory"; exit 1; }
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if ! driver_version=$("$NVIDIA_SMI" --query-gpu=driver_version --format=csv,noheader,nounits | head -n 1) ; then
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echo 'Something went wrong. Check nvidia driver'
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exit 1
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fi
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if [[ $rollback_flag ]]; then
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echo "Detected nvidia driver version: $driver_version"
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if ! check_version_supported "$driver_version" ; then
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echo "Patch for this ($driver_version) nvidia driver not found."
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echo "Patch is available for versions: "
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get_supported_versions
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exit 1
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fi
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patch="${patch_list[$driver_version]}"
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object="${object_list[$driver_version]}"
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declare -a driver_locations=(
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'/usr/lib/x86_64-linux-gnu'
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'/usr/lib/x86_64-linux-gnu/nvidia/current/'
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'/usr/lib64'
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"/usr/lib/nvidia-${driver_version%%.*}"
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)
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dir_found=''
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for driver_dir in "${driver_locations[@]}" ; do
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if [[ -e "$driver_dir/$object.$driver_version" ]]; then
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dir_found='true'
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break
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fi
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done
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[[ "$dir_found" ]] || { echo "ERROR: cannot detect driver directory"; exit 1; }
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}
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rollback () {
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patch_common
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if [[ -f "$backup_path/$object.$driver_version" ]]; then
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cp -p "$backup_path/$object.$driver_version" \
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"$driver_dir/$object.$driver_version"
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echo "Restore from backup $object.$driver_version"
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else
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echo "Backup not found. Try to patch first."
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exit 1;
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exit 1
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fi
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else
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if [[ ! -f "$backup_path/$object.$driver_version" ]]; then
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echo "Attention! Backup not found. Copy current $object to backup."
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}
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patch () {
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patch_common
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if [[ -f "$backup_path/$object.$driver_version" ]]; then
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bkp_hash="$(sha1sum "$backup_path/$object.$driver_version" | cut -f1 -d\ )"
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drv_hash="$(sha1sum "$driver_dir/$object.$driver_version" | cut -f1 -d\ )"
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if [[ "$bkp_hash" != "$drv_hash" ]] ; then
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echo "Backup exists and driver file differ from backup. Skipping patch."
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return 0
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fi
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else
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echo "Attention! Backup not found. Copying current $object to backup."
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mkdir -p "$backup_path"
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cp -p "$driver_dir/$object.$driver_version" \
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"$backup_path/$object.$driver_version"
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@@ -165,4 +200,28 @@ else
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sha1sum "${PATCH_OUTPUT_DIR-$driver_dir}/$object.$driver_version"
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ldconfig
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echo "Patched!"
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fi
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}
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query_version_support () {
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if check_version_supported "$checked_version" ; then
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echo "SUPPORTED"
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exit 0
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else
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echo "NOT SUPPORTED"
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exit 1
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fi
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}
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list_supported_versions () {
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get_supported_versions
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}
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case "${opmode}" in
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patch) patch ;;
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patchrollback) rollback ;;
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patchhelp) print_usage ; exit 2 ;;
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patchcheckversion) query_version_support ;;
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patchlistversions) list_supported_versions ;;
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*) echo "Incorrect combination of flags. Use option -h to get help."
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exit 2 ;;
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esac
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