From 57adbc6eb1f961ee9116904b667f30efb3f2de4f Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Wed, 23 Aug 2023 18:56:31 +0100
Subject: unify err functions across scripts

include/err.sh

this new handling also does mundane things,
such as tell you what script b0rked

Signed-off-by: Leah Rowe <leah@libreboot.org>
---
 resources/scripts/build/boot/roms         |  7 ++---
 resources/scripts/build/boot/roms_helper  |  6 +----
 resources/scripts/build/clean/crossgcc    |  8 ++----
 resources/scripts/build/descriptors/ich9m |  8 ++----
 resources/scripts/build/grub/utils        |  8 ++----
 resources/scripts/build/release/roms      |  8 ++----
 resources/scripts/build/release/src       |  7 ++---
 resources/scripts/build/src/for           |  8 ++----
 resources/scripts/handle/config/file      | 37 +++++++++++++-------------
 resources/scripts/update/blobs/download   | 32 ++++++++++------------
 resources/scripts/update/blobs/extract    | 31 +++++++++-------------
 resources/scripts/update/blobs/inject     | 44 +++++++++++++------------------
 resources/scripts/update/blobs/mrc        | 18 +++++--------
 13 files changed, 87 insertions(+), 135 deletions(-)

(limited to 'resources')

diff --git a/resources/scripts/build/boot/roms b/resources/scripts/build/boot/roms
index 44b7cb8e..f634918e 100755
--- a/resources/scripts/build/boot/roms
+++ b/resources/scripts/build/boot/roms
@@ -29,6 +29,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 projectname="$(cat projectname)"
 opts=""
 boards=
@@ -116,9 +118,4 @@ buildrom() {
 	./build boot roms_helper ${1}${opts}
 }
 
-err() {
-	printf '%s\n' "${1}" 1>&2
-	exit 1
-}
-
 main $@
diff --git a/resources/scripts/build/boot/roms_helper b/resources/scripts/build/boot/roms_helper
index f78c7cc8..462b9403 100755
--- a/resources/scripts/build/boot/roms_helper
+++ b/resources/scripts/build/boot/roms_helper
@@ -30,11 +30,7 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
-err()
-{
-	printf "ERROR: build/boot/roms: %s\n" "${1}" 1>&2
-	exit 1
-}
+. "include/err.sh"
 
 projectname="$(cat projectname)"
 
diff --git a/resources/scripts/build/clean/crossgcc b/resources/scripts/build/clean/crossgcc
index 8c61dd5f..76de1e19 100755
--- a/resources/scripts/build/clean/crossgcc
+++ b/resources/scripts/build/clean/crossgcc
@@ -22,6 +22,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 main()
 {
 	printf "Cleaning crossgcc builds in all coreboot archives\n"
@@ -34,10 +36,4 @@ main()
 	done
 }
 
-err()
-{
-	printf "%s: %s\n" $0 $1
-	exit 1
-}
-
 main $@
diff --git a/resources/scripts/build/descriptors/ich9m b/resources/scripts/build/descriptors/ich9m
index 221131af..40d95d42 100755
--- a/resources/scripts/build/descriptors/ich9m
+++ b/resources/scripts/build/descriptors/ich9m
@@ -19,6 +19,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 ich9gen="util/ich9utils/ich9gen"
 
 main()
@@ -36,10 +38,4 @@ main()
 	)
 }
 
-err()
-{
-	printf "%s: %s\n" $0 $1
-	exit 1
-}
-
 main $@
diff --git a/resources/scripts/build/grub/utils b/resources/scripts/build/grub/utils
index 3e379472..dbe14bc0 100755
--- a/resources/scripts/build/grub/utils
+++ b/resources/scripts/build/grub/utils
@@ -22,6 +22,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 main()
 {
 	printf "Building GRUB\n"
@@ -41,10 +43,4 @@ build_grub()
 	)
 }
 
-err()
-{
-	printf "%s: error: %s\n" $0 $1
-	exit 1
-}
-
 main $@
diff --git a/resources/scripts/build/release/roms b/resources/scripts/build/release/roms
index ca0e9fe7..2f9524c5 100755
--- a/resources/scripts/build/release/roms
+++ b/resources/scripts/build/release/roms
@@ -21,6 +21,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 projectname="$(cat projectname)"
 version="version-unknown"
 versiondate="version-date-unknown"
@@ -165,10 +167,4 @@ strip_rom_image()
 		${cbfstool} "${romfile}" remove -n "pci10de,06eb.rom" || exit 1
 }
 
-err()
-{
-	printf "%s: %s\n" $0 $1
-	exit 1
-}
-
 main $@
diff --git a/resources/scripts/build/release/src b/resources/scripts/build/release/src
index ba09a3d3..3f9feb9b 100755
--- a/resources/scripts/build/release/src
+++ b/resources/scripts/build/release/src
@@ -21,6 +21,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 projectname="$(cat projectname)"
 
 trees_fetch_list="coreboot u-boot"
@@ -161,9 +163,4 @@ create_release_archive()
 	)
 }
 
-err()
-{
-	printf "%s: %s\n" $0 $1
-}
-
 main $@
diff --git a/resources/scripts/build/src/for b/resources/scripts/build/src/for
index 6761f160..57459952 100755
--- a/resources/scripts/build/src/for
+++ b/resources/scripts/build/src/for
@@ -21,6 +21,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 mode=""
 project=""
 
@@ -61,10 +63,4 @@ main()
 		    || err "cannot clean project src, ${project}"
 }
 
-err()
-{
-	printf "ERROR: build/src: %s\n" "${1}" 1>&2
-	exit 1
-}
-
 main $@
diff --git a/resources/scripts/handle/config/file b/resources/scripts/handle/config/file
index b8f9bea0..f488dccb 100755
--- a/resources/scripts/handle/config/file
+++ b/resources/scripts/handle/config/file
@@ -24,6 +24,8 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+. "include/err.sh"
+
 projectname="$(cat projectname)"
 our_version="$(cat version)"
 
@@ -58,20 +60,20 @@ main()
 			mode="menuconfig"
 			shift ;;
 		*)
-			err "Invalid option" ;;
+			fail "Invalid option" ;;
 		esac
 		project="${OPTARG}"
 		shift
 	done
-	[ -z "${mode}" ] && err "mode not given (-m, -u or -b)"
+	[ -z "${mode}" ] && fail "mode not given (-m, -u or -b)"
 
 	elfdir="elf/${project}"
 
 	cfgsdir="resources/${project}"
-	[ -d "${cfgsdir}" ] || err "directory, ${cfgsdir}, does not exist"
+	[ -d "${cfgsdir}" ] || fail "directory, ${cfgsdir}, does not exist"
 
 	listfile="${cfgsdir}/build.list"
-	[ -f "${listfile}" ] || err "list file, ${listfile}, does not exist"
+	[ -f "${listfile}" ] || fail "list file, ${listfile}, does not exist"
 
 	# Build for all targets if no argument is given
 	if [ "$#" -eq 0 ]; then
@@ -90,7 +92,7 @@ main()
 		printf "Running 'make %s' for project '%s, target '%s''\n" \
 		    "${mode}" "${project}" "${target}"
 		[ "${project}" != "coreboot" ] || [ "${mode}" != "all" ] || \
-			./update blobs download ${target} || err "blobutil"
+			./update blobs download ${target} || fail "blobutil"
 		handle_defconfig || exit 1
 	done
 
@@ -125,15 +127,15 @@ handle_dependencies()
 	arch="undefined"
 
 	[ ! -f "${target_dir}/target.cfg" ] && \
-		err "build/${project} ${target}: Missing target.cfg"
+		fail "build/${project} ${target}: Missing target.cfg"
 
 	# Override the above defaults using target.cfg
 	. "${target_dir}/target.cfg" # source
 
 	[ "${tree}" = "undefined" ] && \
-		err "build/${project} %{target}: tree undefined"
+		fail "build/${project} %{target}: tree undefined"
 	[ "${arch}" = "undefined" ] && \
-		err "build/${project} ${target}: undefined cpu type"
+		fail "build/${project} ${target}: undefined cpu type"
 
 	codedir="${project}/${tree}"
 	[ -d "${codedir}" ] || \
@@ -141,7 +143,7 @@ handle_dependencies()
 
 	# u-boot and coreboot are both compiled with coreboot's crossgcc
 	if [ "${project}" = "coreboot" ] || [ "${project}" = "u-boot" ]; then
-		[ "${mode}" != "all" ] || check_cross_compiler || err "crossgcc"
+		[ "${mode}" != "all" ] || check_cross_compiler || fail "crossgcc"
 	fi
 }
 
@@ -162,7 +164,7 @@ check_cross_compiler()
 	# only true if not building coreboot:
 	[ -d "${cbdir}" ] || \
 		./fetch_trees coreboot ${cbdir#coreboot/} || \
-		    err "check_cross_compiler"
+		    fail "check_cross_compiler"
 
 	if [ "${arch}" = "x86_32" ] || [ "${arch}" = "x86_64" ]; then
 		[ -d "${cbdir}/util/crossgcc/xgcc/i386-elf/" ] || \
@@ -201,7 +203,7 @@ check_cross_compiler()
 check_config()
 {
 	[ ! -f "${config}" ] && \
-		err "build/${project} ${target}: configs missing"
+		fail "build/${project} ${target}: configs missing"
 
 	dest_dir="${elfdir}/${target}/${config_name}"
 	for elftest in "${dest_dir}"/*; do
@@ -215,15 +217,15 @@ check_config()
 
 run_make_command()
 {
-	make -C "${codedir}" distclean || err "run_make_command"
+	make -C "${codedir}" distclean || fail "run_make_command"
 
-	cp "${config}" "${codedir}/.config" || err "run_make_command"
+	cp "${config}" "${codedir}/.config" || fail "run_make_command"
 	[ "${mode}" != "all" ] || make -C "${codedir}" silentoldconfig || \
 	    make -C "${codedir}" oldconfig || : # don't error on oldconfig
 
 	[ "${project}" = "coreboot" ] && [ "${mode}" = "all" ] && \
 		printf "%s\n" "${our_version}" > "${codedir}/.coreboot-version"
-	make -C "${codedir}" -j$(nproc) ${mode} || err "run_make_command"
+	make -C "${codedir}" -j$(nproc) ${mode} || fail "run_make_command"
 }
 
 copy_elf()
@@ -233,17 +235,16 @@ copy_elf()
 	done
 
 	make -C "${codedir}" distclean || \
-	    make -C "${codedir}" clean || err "copy_elf"
+	    make -C "${codedir}" clean || fail "copy_elf"
 }
 
-err()
+fail()
 {
 	[ -z "${codedir}" ] || \
 		make -C "${codedir}" distclean \
 		    || make -C "${codedir}" clean || :
 
-	printf "build/defconfig error %s\n" "${1}" 1>&2
-	exit 1
+	err "build/defconfig error ${1}"
 }
 
 main $@
diff --git a/resources/scripts/update/blobs/download b/resources/scripts/update/blobs/download
index cad40895..f3ba3052 100755
--- a/resources/scripts/update/blobs/download
+++ b/resources/scripts/update/blobs/download
@@ -5,6 +5,8 @@
 # SPDX-FileCopyrightText: 2023 Leah Rowe <info@minifree.org>
 # SPDX-License-Identifier: GPL-3.0-only
 
+. "include/err.sh"
+
 agent="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
 
 ec_url=""
@@ -54,9 +56,9 @@ main()
 	boarddir="${cbcfgsdir}/${board}"
 
 	[ ! -d "${boarddir}" ] && \
-		fail "Board target, ${board}, not defined"
+		err "Board target, ${board}, not defined"
 	[ ! -f "${boarddir}/target.cfg" ] && \
-		fail "Target missing target.cfg"
+		err "Target missing target.cfg"
 
 	no_config="printf \"No config for target, %s\\n\" ${board} 1>&2; exit 0"
 	for x in "${boarddir}"/config/*; do
@@ -153,16 +155,16 @@ build_dependencies()
 {
 	[ -d ${cbdir} ] || \
 		./fetch_trees coreboot ${cbdir##*/} || \
-		    fail "can't download to ${cbdir}"
+		    err "can't download to ${cbdir}"
 	for d in uefitool biosutilities bios_extract me_cleaner; do
 		[ -d "${d}" ] && continue
-		./fetch ${d} || fail "can't download ${d}"
+		./fetch ${d} || err "can't download ${d}"
 	done
 	[ -f uefitool/uefiextract ] || \
-		./build src for -b uefitool || fail "can't build uefitool"
+		./build src for -b uefitool || err "can't build uefitool"
 	[ -f ${cbdir}/util/kbc1126/kbc1126_ec_dump ] || \
 		make -BC ${cbdir}/util/kbc1126 || \
-		    fail "can't build kbc1126_ec_dump"
+		    err "can't build kbc1126_ec_dump"
 }
 
 download_blobs()
@@ -183,7 +185,7 @@ download_blobs()
 	done
 	
 	[ -z ${_failed+x} ] || \
-		fail "failed to obtain ${_failed}\nTry manual extraction?"
+		err "failed to obtain ${_failed}\nTry manual extraction?"
 }
 
 download_blob_intel_me()
@@ -214,10 +216,10 @@ extract_blob_intel_me()
 	innoextract ${dl_path} -d ${appdir} || \
 	    7z x ${dl_path} -o${appdir} || \
 	    unar "${dl_path}" -o "${appdir}" || \
-	    fail "Could not extract vendor update"
+	    err "Could not extract vendor update"
 
 	bruteforce_extract_blob_intel_me "$(pwd)/${_me_destination}" \
-	    "$(pwd)/${appdir}" || fail "Could not extract Intel ME firmware"
+	    "$(pwd)/${appdir}" || err "Could not extract Intel ME firmware"
 
 	printf "Truncated and cleaned me output to ${_me_destination}\n"
 }
@@ -314,7 +316,7 @@ extract_blob_kbc1126_ec()
 		mv Rom.bin ec.bin
 	fi
 
-	[ -f ec.bin ] || fail "could not extract ec.bin for board, ${board}"
+	[ -f ec.bin ] || err "could not extract ec.bin for board, ${board}"
 	"${kbc1126_ec_dump}" ec.bin
 	)
 
@@ -367,10 +369,10 @@ extract_e6400vga()
 	tail -c +${e6400_vga_offset} "${dl_path##*/}" \
 			| gunzip > bios.bin
 	[ -f "bios.bin" ] || \
-		fail "Could not extract bios.bin from Dell E6400 update"
+		err "Could not extract bios.bin from Dell E6400 update"
 	"${e6400_unpack}" bios.bin || printf "TODO: fix dell extract util\n"
 	[ -f "${e6400_vga_romname}" ] || \
-		fail "Could not extract VGA ROM from Dell E6400 BIOS update"
+		err "Could not extract VGA ROM from Dell E6400 BIOS update"
 	)
 
 	cp "${appdir}"/"${e6400_vga_romname}" "${_vga_destination}"
@@ -483,10 +485,4 @@ vendor_checksum()
 	fi
 }
 
-fail()
-{
-	printf "\nERROR: $@\n"
-	exit 1
-}
-
 main $@
diff --git a/resources/scripts/update/blobs/extract b/resources/scripts/update/blobs/extract
index 6b18e962..d7a68bf3 100755
--- a/resources/scripts/update/blobs/extract
+++ b/resources/scripts/update/blobs/extract
@@ -5,6 +5,8 @@
 # SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
 # SPDX-License-Identifier: GPL-3.0-only
 
+. "include/err.sh"
+
 sname=""
 board=""
 vendor_rom=""
@@ -29,7 +31,7 @@ _ifd_destination=""
 main()
 {
 	sname=${0}
-	[ $# -lt 2 ] && fail "Missing arguments (fewer than two)."
+	[ $# -lt 2 ] && err "Missing arguments (fewer than two)."
 
 	board="${1}"
 	vendor_rom="${2}"
@@ -43,21 +45,21 @@ main()
 check_board()
 {
 	[ -f "${vendor_rom}" ] || \
-		fail "file does not exist: ${vendor_rom}"
+		err "file does not exist: ${vendor_rom}"
 	[ -d "${boarddir}" ] || \
-		fail "build/roms ${board}: target not defined"
+		err "build/roms ${board}: target not defined"
 	[ -f "${boarddir}/target.cfg" ] || \
-		fail "build/roms ${board}: missing target.cfg"
+		err "build/roms ${board}: missing target.cfg"
 }
 
 build_dependencies()
 {
 	[ -d me_cleaner ] || \
-		./fetch me_cleaner || fail "can't fetch me_cleaner"
+		./fetch me_cleaner || err "can't fetch me_cleaner"
 	[ -d ${cbdir} ] || \
-		./fetch_trees coreboot default || fail "can't fetch coreboot"
+		./fetch_trees coreboot default || err "can't fetch coreboot"
 	[ -f ${ifdtool} ] || \
-		make -C "${ifdtool%/ifdtool}" || fail "can't build ifdtool"
+		make -C "${ifdtool%/ifdtool}" || err "can't build ifdtool"
 }
 
 extract_blobs()
@@ -69,7 +71,7 @@ extract_blobs()
 	. "${boarddir}/target.cfg"
 
 	[ "$CONFIG_HAVE_MRC" != "y" ] || \
-		./update blobs mrc || fail "could not download mrc"
+		./update blobs mrc || err "could not download mrc"
 
 	_me_destination=${CONFIG_ME_BIN_PATH#../../}
 	_gbe_destination=${CONFIG_GBE_BIN_PATH#../../}
@@ -81,7 +83,7 @@ extract_blobs()
 	# Cleans up other files extracted with ifdtool
 	rm -f flashregion*.bin 2> /dev/null
 
-	[ -f ${_ifd_destination} ] || fail "Could not extract IFD"
+	[ -f ${_ifd_destination} ] || err "Could not extract IFD"
 	printf "gbe, ifd, and me extracted to %s\n" \
 	    ${_me_destination%/*}
 }
@@ -94,7 +96,7 @@ extract_blob_intel_me()
 		-M ${_me_destination} ${vendor_rom} -t -r -S || \
 	    ${me7updateparser} \
 		-O ${_me_destination} ${vendor_rom} || \
-	    fail "me_cleaner failed to extract blobs from rom"
+	    err "me_cleaner failed to extract blobs from rom"
 }
 
 extract_blob_intel_gbe_nvm()
@@ -102,14 +104,7 @@ extract_blob_intel_gbe_nvm()
 	printf "extracting gigabit ethernet firmware"
 	./${ifdtool} -x ${vendor_rom}
 	mv flashregion*gbe.bin ${_gbe_destination} || \
-	    fail 'could not extract gbe'
-}
-
-fail()
-{
-	print_help
-	printf "\n%s: ERROR: %s\n" ${sname} $@
-	exit 1 
+	    err 'could not extract gbe'
 }
 
 print_help()
diff --git a/resources/scripts/update/blobs/inject b/resources/scripts/update/blobs/inject
index 696cd74d..496d845c 100755
--- a/resources/scripts/update/blobs/inject
+++ b/resources/scripts/update/blobs/inject
@@ -5,6 +5,8 @@
 # SPDX-FileCopyrightText: 2023 Leah Rowe <info@minifree.org>
 # SPDX-License-Identifier: GPL-3.0-only
 
+. "include/err.sh"
+
 sname=""
 archive=""
 _filetype=""
@@ -41,7 +43,7 @@ main()
 {
 	sname="${0}"
 
-	[ $# -lt 1 ] && fail "No options specified."
+	[ $# -lt 1 ] && err "No options specified."
 	[ "${1}" = "listboards" ] && listboards && exit 0
 
 	archive="${1}"
@@ -72,21 +74,21 @@ check_board()
 {
 	if ! check_release ${archive} ; then
 		[ -f "${rom}" ] || \
-			fail "${rom} is not a valid path"
+			err "${rom} is not a valid path"
 		[ -z ${rom+x} ] && \
-			fail 'no rom specified'
+			err 'no rom specified'
 		[ ! -z ${board+x} ] || \
 			board=$(detect_board ${rom}) || \
-			    fail 'no board specified'
+			    err 'no board specified'
 	else
 		release=true
 		releasearchive="${archive}"
 		board=$(detect_board ${archive}) || \
-		    fail 'Could not detect board type'
+		    err 'Could not detect board type'
 	fi
 
 	boarddir="${cbcfgsdir}/${board}"
-	[ -d "${boarddir}" ] || fail "board ${board} not found"
+	[ -d "${boarddir}" ] || err "board ${board} not found"
 }
 
 check_release()
@@ -120,9 +122,9 @@ detect_board()
 build_dependencies()
 {
 	[ -d "${cbdir}" ] || ./fetch_trees coreboot default
-	./build coreboot utils default || fail "could not build cbutils"
+	./build coreboot utils default || err "could not build cbutils"
 	./update blobs download ${board} || \
-	    fail "Could not download blobs for ${board}"
+	    err "Could not download blobs for ${board}"
 }
 
 inject_blobs()
@@ -139,17 +141,17 @@ patch_release_roms()
 {
 	_tmpdir=$(mktemp -d "/tmp/${board}_tmpXXXX")
 	tar xf "${releasearchive}" -C "${_tmpdir}" || \
-	fail 'could not extract release archive'
+	err 'could not extract release archive'
 
 	for x in ${_tmpdir}/bin/*/*.rom ; do
 		echo "patching rom $x"
-		patch_rom ${x} || fail "could not patch ${x}"
+		patch_rom ${x} || err "could not patch ${x}"
 	done
 
 	(
 	cd ${_tmpdir}/bin/*
 	sha1sum --status -c blobhashes || \
-	fail 'ROMs did not match expected hashes'
+	err 'ROMs did not match expected hashes'
 	)
 
 	if [ "${modifygbe}" = "true" ]; then
@@ -223,11 +225,11 @@ inject_blob_intel_me()
 
 	rom="${1}"
 	[ -z ${CONFIG_ME_BIN_PATH} ] && \
-		fail "CONFIG_ME_BIN_PATH not set"
+		err "CONFIG_ME_BIN_PATH not set"
 
 	_me_location=${CONFIG_ME_BIN_PATH#../../}
 	[ ! -f "${_me_location}" ] && \
-		fail "CONFIG_ME_BIN_PATH points to missing file"
+		err "CONFIG_ME_BIN_PATH points to missing file"
 
 	${ifdtool} -i me:${_me_location} ${rom} -O ${rom} || exit 1
 }
@@ -310,19 +312,19 @@ modify_gbe()
 	rom=${1}
 
 	[ -z ${CONFIG_GBE_BIN_PATH} ] && \
-		fail "CONFIG_GBE_BIN_PATH not set"
+		err "CONFIG_GBE_BIN_PATH not set"
 
 	_gbe_location=${CONFIG_GBE_BIN_PATH#../../}
 
 	[ -f "${_gbe_location}" ] || \
-		fail "CONFIG_GBE_BIN_PATH points to missing file"
+		err "CONFIG_GBE_BIN_PATH points to missing file"
 	[ -f ${nvmutil} ] || \
-		make -C util/nvmutil || fail 'failed to build nvmutil'
+		make -C util/nvmutil || err 'failed to build nvmutil'
 
 	_gbe_tmp=$(mktemp -t gbeXXXX.bin)
 	cp ${_gbe_location} ${_gbe_tmp}
 	${nvmutil} "${_gbe_tmp}" setmac ${new_mac} || \
-	    fail 'failed to modify mac address'
+	    err 'failed to modify mac address'
 
 	${ifdtool} -i GbE:${_gbe_tmp} "${rom}" -O "${rom}" || exit 1
 
@@ -339,14 +341,6 @@ listboards()
 	done
 }
 
-fail()
-{
-	[ -z ${@+x} ] || \
-		printf "\n%s: ERROR: ${@}\n" ${sname}
-	usage
-	exit 1
-}
-
 usage()
 {
 	cat <<- EOF
diff --git a/resources/scripts/update/blobs/mrc b/resources/scripts/update/blobs/mrc
index 14a1d2b6..b4502c14 100755
--- a/resources/scripts/update/blobs/mrc
+++ b/resources/scripts/update/blobs/mrc
@@ -17,6 +17,9 @@
 
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
+
+. "include/err.sh"
+
 export PATH="${PATH}:/sbin"
 
 # This file is forked from util/chromeos/crosfirmware.sh in coreboot cfc26ce278
@@ -51,8 +54,8 @@ main()
 	printf "Downloading Intel MRC blobs\n"
 
 	check_existing && exit 0
-	build_dependencies || fail "could not build dependencies"
-	fetch_mrc || fail "could not fetch mrc.bin"
+	build_dependencies || err "could not build dependencies"
+	fetch_mrc || err "could not fetch mrc.bin"
 }
 
 check_existing()
@@ -85,7 +88,7 @@ fetch_mrc()
 	[ -f ${_file} ] || \
 		download_image ${_url2} ${_file} ${_sha1sum}
 	[ -f $_file ] || \
-		fail "%{_file} not downloaded / verification failed."
+		err "%{_file} not downloaded / verification failed."
 
 	extract_partition ROOT-A ${_file} root-a.ext2
 	extract_shellball root-a.ext2 chromeos-firmwareupdate-${_board}
@@ -93,7 +96,7 @@ fetch_mrc()
 	extract_coreboot chromeos-firmwareupdate-${_board}
 
 	../../${cbfstool} coreboot-*.bin extract -f mrc.bin -n mrc.bin \
-	    -r RO_SECTION || fail "Could not fetch mrc.bin"
+	    -r RO_SECTION || err "Could not fetch mrc.bin"
 	rm -f "chromeos-firmwareupdate-${_board}" coreboot-*.bin \
 	    "${_file}" "root-a.ext2"
 
@@ -166,11 +169,4 @@ extract_coreboot()
 	rm -r "${_unpacked}"
 }
 
-fail()
-{
-	printf "%s: ERROR: %s\n"
-			${sname} ${1}
-	exit 1
-}
-
 main $@
-- 
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