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88 lines
2.3 KiB
Bash
88 lines
2.3 KiB
Bash
#!/bin/bash
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set -euo pipefail
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print_usage() { printf '
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SYNOPSIS
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update_patch.sh -f PATCH_FILE [-v VERSION [-o OLD_VERSION] | -b PATCHSTR | -h]
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DESCRIPTION
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Update the patch for Nvidia NVENC or NVFBC drivers for a new version
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-f PATCH_FILE The file (patch.sh/patch-fbc.sh) that should be updated
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-v VERSION Driver version (by default copies latest existing patch)
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-o OLD_VERSION Copy patch string from this older driver version
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-b PATCHSTR Append PATCHSTR to the patch_list
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-h Print help
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'
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}
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opmode="copy"
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while getopts 'hf:v:o:b:' flag; do
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case "${flag}" in
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f) patch_file="$OPTARG" ;;
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v) new_version="$OPTARG" ;;
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o) old_version="$OPTARG" ;;
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b) opmode="new" ; patch_string="$OPTARG" ;;
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h) opmode="help" ;;
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*) echo "Incorrect option specified in command line" ; exit 2 ;;
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esac
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done
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get_last_line() {
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if [[ -v old_version ]]; then
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# Find old patch line
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last=$(grep -n "\s.*\[\"$old_version\"\]='.*/g\?'" $patch_file | tail -1)
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else
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# Find the latest patch line
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last=$(grep -n "\s.*\[\".*\"\]='.*/g\?'" $patch_file | tail -1)
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fi
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echo $last
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}
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get_last_line_number() {
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last=$1
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# Find the line number to insert at
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line=$(cut -d : -f 1 <<<"$last")
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line=$((line + 1))
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echo $line
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}
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copy_patch() {
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last=$(get_last_line)
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line=$(get_last_line_number $last)
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# Use the same bytecode, and escape it
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bytecode=$(cut -d = -f 2 <<<"$last")
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bytecode=$(printf '%s\n' "$bytecode" | sed -e 's/[]\/$*.^[]/\\&/g');
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# Insert bytecode
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sed -i "${line} i \ \ \ \ [\"${new_version}\"]=${bytecode}" $patch_file
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echo "Successfully inserted bytecode for $new_version"
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}
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apply_new_patch() {
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line=$(get_last_line_number $(get_last_line))
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# Escape the patch string
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bytecode=$(printf '%s\n' "$patch_string" | sed -e 's/[]\/$*.^[]/\\&/g');
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# Insert it at the end
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sed -i "${line} i \ \ \ \ ${bytecode}" $patch_file
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echo "Successfully inserted $patch_string"
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}
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case "${opmode}" in
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help) print_usage ; exit 2 ;;
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copy) copy_patch ;;
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new) apply_new_patch ;;
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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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