6889c8c0a4
- we've had SKIP_EXTERNAL_TOOLCHAINS=yes for ~5 years now - drop all usages, mostly through `find_toolchains()` - drop all manual PATH env injections (we've centralized if ever needed)
79 lines
2.7 KiB
Bash
79 lines
2.7 KiB
Bash
#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (c) 2013-2026 Igor Pecovnik, igor@armbian.com
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#
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# This file is a part of the Armbian Build Framework
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# https://github.com/armbian/build/
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# Functions:
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# compile_atf
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# compile_uboot
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# compile_kernel
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# compile_firmware
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# compile_xilinx_bootgen
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# grab_version
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# advanced_patch
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# process_patch_file
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# overlayfs_wrapper
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grab_version() {
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local ver=()
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ver[0]=$(grep "^VERSION" "${1}"/Makefile | head -1 | awk '{print $(NF)}' | grep -oE '^[[:digit:]]+' || true)
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ver[1]=$(grep "^PATCHLEVEL" "${1}"/Makefile | head -1 | awk '{print $(NF)}' | grep -oE '^[[:digit:]]+' || true)
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ver[2]=$(grep "^SUBLEVEL" "${1}"/Makefile | head -1 | awk '{print $(NF)}' | grep -oE '^[[:digit:]]+' || true)
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ver[3]=$(grep "^EXTRAVERSION" "${1}"/Makefile | head -1 | awk '{print $(NF)}' | grep -oE '^-rc[[:digit:]]+' || true)
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ver[4]=$(if [ -f localversion-next ]; then echo $(cat localversion-next); fi || true)
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echo "${ver[0]:-0}${ver[1]:+.${ver[1]}}${ver[2]:+.${ver[2]}}${ver[3]}${ver[4]}"
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return 0
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}
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# overlayfs_wrapper <operation> <workdir> <description>
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#
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# <operation>: wrap|cleanup
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# <workdir>: path to source directory
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# <description>: suffix for merged directory to help locating it in /tmp
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# return value: new directory
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#
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# Assumptions/notes:
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# - Ubuntu Xenial host
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# - /tmp is mounted as tmpfs
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# - there is enough space on /tmp
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# - UB if running multiple compilation tasks in parallel
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# - should not be used with CREATE_PATCHES=yes
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#
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overlayfs_wrapper() {
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local operation="$1"
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if [[ $operation == wrap ]]; then
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local srcdir="$2"
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local description="$3"
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mkdir -p /tmp/overlay_components/ /tmp/armbian_build/
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local tempdir workdir mergeddir
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tempdir=$(mktemp -d --tmpdir="/tmp/overlay_components/") # @TODO: WORKDIR? otherwise uses host's root disk, which might be small
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workdir=$(mktemp -d --tmpdir="/tmp/overlay_components/")
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mergeddir=$(mktemp -d --suffix="_$description" --tmpdir="/tmp/armbian_build/")
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mount -t overlay overlay -o lowerdir="$srcdir",upperdir="$tempdir",workdir="$workdir" "$mergeddir"
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# this is executed in a subshell, so use temp files to pass extra data outside
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echo "$tempdir" >> /tmp/.overlayfs_wrapper_cleanup
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echo "$mergeddir" >> /tmp/.overlayfs_wrapper_umount
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echo "$mergeddir" >> /tmp/.overlayfs_wrapper_cleanup
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echo "$mergeddir"
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return
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fi
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if [[ $operation == cleanup ]]; then
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if [[ -f /tmp/.overlayfs_wrapper_umount ]]; then
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for dir in $(< /tmp/.overlayfs_wrapper_umount); do
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[[ $dir == /tmp/* ]] && umount -l "$dir" > /dev/null 2>&1
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done
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fi
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if [[ -f /tmp/.overlayfs_wrapper_cleanup ]]; then
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for dir in $(< /tmp/.overlayfs_wrapper_cleanup); do
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[[ $dir == /tmp/* ]] && rm -rf "$dir"
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done
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fi
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rm -f /tmp/.overlayfs_wrapper_umount /tmp/.overlayfs_wrapper_cleanup
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fi
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}
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