183 lines
3.9 KiB
Bash
Executable File
183 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# Shell helpers
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#
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RED="\033[0;31m"
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GREEN="\033[0;32m"
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YELLOW="\033[1;33m"
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NC="\033[0m"
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echo_green() {
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echo -en "$GREEN"
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echo "$@"
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echo -en "$NC"
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}
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echo_yellow() {
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echo -en "$YELLOW"
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echo "$@"
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echo -en "$NC"
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}
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echo_red() {
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echo -en "$RED"
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echo "$@"
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echo -en "$NC"
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}
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info() {
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echo_green -n "info: " >&2
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echo "$@"
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}
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warn() {
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echo_yellow -n "warn: " >&2
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echo "$@" >&2
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}
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error() {
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echo_red -n "error: " >&2
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echo "$@" >&2
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}
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die() {
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echo_red -n "fatal: " >&2
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echo "$@" >&2
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exit 1
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}
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# $1: relative dir path
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# $2: optional git ref, if not set current worktree is used
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# $3: optional git repo
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ls_repo_dir() {
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local _path=$1
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local _gitref=$2
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local _repo=${3:-$TOPDIR}
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local _gitshow
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# If git reference is set and git repo is valid, try use the versioned Makefile
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if [[ "$_gitref" ]]; then
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if _gitshow=$(git -C "$_repo" show "$_gitref:$_path" 2>/dev/null); then
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echo "$_gitshow" | tail -n +3
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return 0
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fi
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warn "Failed to ls '$_path' from git reference '$_gitref', using current worktree as build source."
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fi
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ls -1ap "$_repo/$_path/"
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}
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# $1: relative file path
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# $2: optional git ref, if not set current worktree is used
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# $3: optional git repo
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cat_repo_file() {
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local _path=$1
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local _gitref=$2
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local _repo=${3:-$TOPDIR}
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# If git reference is set and git repo is valid, try use the versioned Makefile
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if [[ "$_gitref" ]]; then
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if git -C "$_repo" show "$_gitref:$_path" 2>/dev/null; then
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return 0
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fi
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warn "Failed to retrive '$_path' from git reference '$_gitref', using current worktree as build source."
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fi
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cat "$_repo"/"$1"
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}
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# $1: keyword
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# $2: optional git ref, if not set current Makefile is used
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# $3: optional git repo
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get_dist_makefile_var() {
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local _sedexp="/^$1\s*[:?]?=\s*(.*)/{s/^\s*^$1\s*[:?]?=\s*//;h};\${x;p}"
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local _gitref=$2
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local _repo=${3:-$TOPDIR}
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local _val
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_val=$(cat_repo_file "dist/Makefile" "$_gitref" "$_repo" | sed -nE -e "$_sedexp")
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case $_val in
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*\$* )
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die "Can't parse Makefile variable '$1', it references to other variables."
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;;
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esac
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echo "$_val"
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}
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[ "$TOPDIR" ] || TOPDIR=$(git rev-parse --show-toplevel 2>/dev/null)
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[ "$TOPDIR" ] || TOPDIR="$(realpath "$(dirname "$(realpath "$0")")/../..")"
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[ "$VENDOR" ] || VENDOR=$(get_dist_makefile_var VENDOR)
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[ "$DISTPATH" ] || DISTPATH=$(get_dist_makefile_var DISTPATH)
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[ "$DISTDIR" ] || DISTDIR=$TOPDIR/$DISTPATH
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[ "$SOURCEDIR" ] || SOURCEDIR=$DISTDIR/rpm/SOURCES
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[ "$SPEC_ARCH" ] || SPEC_ARCH=$(get_dist_makefile_var SPEC_ARCH)
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# If KDIST is not set (or it's set to "-" wnich is illegal value for KDIST), read from dist Makefile.
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[ "${KDIST--}" == - ] && KDIST=$(get_dist_makefile_var KDIST)
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if ! [ -s "$TOPDIR/Makefile" ]; then
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echo "Dist tools can only be run within a valid Linux Kernel git workspace." >&2
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exit 1
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fi
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if [ -z "$VENDOR" ] || ! [ -s "$DISTDIR/Makefile" ]; then
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echo "Dist tools can't work without properly configured dist file." >&2
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exit 1
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fi
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# Just use uname to get native arch
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get_native_arch () {
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uname -m
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}
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# Convert any arch name into linux kernel arch name
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#
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# There is an inconsistence between Linux kernel's arch naming and
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# RPM arch naming. eg. Linux kernel uses arm64 instead of aarch64
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# used by RPM, i686 vs x86, amd64 vs x86_64. Most are just same things
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# with different name due to historical reasons.
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get_kernel_arch () {
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case $1 in
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riscv64 )
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echo "riscv"
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;;
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loongarch64 )
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echo "loongarch64"
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;;
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arm64 | aarch64 )
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echo "arm64"
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;;
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i386 | i686 | x86 )
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echo "x86"
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;;
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amd64 | x86_64 )
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echo "x86_64"
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;;
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esac
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}
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# Convert any arch name into linux kernel src arch name
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#
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# Similiar to get_kernel_arch but return the corresponding
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# source code base sub path in arch/
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get_kernel_src_arch () {
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case $1 in
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loongarch64 )
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echo "loongarch"
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;;
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riscv64 )
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echo "riscv"
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;;
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arm64 | aarch64 )
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echo "arm64"
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;;
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i386 | i686 | x86 | amd64 | x86_64 )
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echo "x86"
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;;
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esac
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}
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type git >/dev/null || die 'git is required'
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type make >/dev/null || die 'make is required'
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