From 9aef57dfb760bb58e29c8febdac4fa550ab76cf1 Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Thu, 28 Sep 2023 00:29:54 +0100
Subject: blobs/download: unified archive extraction

Signed-off-by: Leah Rowe <leah@libreboot.org>
---
 script/update/blobs/download | 42 ++++++++++++++----------------------------
 1 file changed, 14 insertions(+), 28 deletions(-)

(limited to 'script/update')

diff --git a/script/update/blobs/download b/script/update/blobs/download
index 72c58341..5276d763 100755
--- a/script/update/blobs/download
+++ b/script/update/blobs/download
@@ -95,8 +95,7 @@ extract_blob_intel_me()
 	printf "Extracting neutered ME for %s\n" "${board}"
 
 	_me_destination=${CONFIG_ME_BIN_PATH#../../}
-	mk_blobdir "${_me_destination}" "extract_blob_intel_me" || return 0
-	mk_appdir "extract_blob_intel_me"
+	mkdirs "${_me_destination}" "extract_blob_intel_me" || return 0
 	bruteforce_extract_blob_intel_me "$(pwd)/${_me_destination}" \
 	    "$(pwd)/${appdir}" || \
 	    err "extract_blob_intel_me: could not extract Intel ME firmware"
@@ -170,8 +169,7 @@ extract_blob_kbc1126_ec()
 	printf "Extracting KBC1126 EC firmware for board: %s\n" ${board}
 
 	_ec_destination=${CONFIG_KBC1126_FW1#../../}
-	mk_blobdir "${_ec_destination}" "extract_blob_kbc1126_ec" || return 0
-	mk_appdir "extract_blob_kbc1126_ec"
+	mkdirs "${_ec_destination}" "extract_blob_kbc1126_ec" || return 0
 	(
 	cd "${appdir}/" || \
 	    err "extract_blob_kbc1126_ec: !cd \"${appdir}/\""
@@ -217,8 +215,7 @@ extract_e6400vga()
 	printf "Extracting Nvidia VGA ROM for ${board}\n"
 
 	_vga_destination=${CONFIG_VGA_BIOS_FILE#../../}
-	mk_blobdir "${_vga_destination}" "extract_e6400vga" || return 0
-	mk_appdir "extract_e6400vga"
+	mkdirs "${_vga_destination}" "extract_e6400vga" || return 0
 
 	[ "${E6400_VGA_offset}" = "" ] && \
 		err "extract_e6400vga: E6400 VGA offset not defined"
@@ -260,8 +257,7 @@ extract_sch5545ec()
 	rm -Rf "${dl_path}_extracted" || err "!rm ${dl_path}_extracted"
 
 	_sch5545ec_destination=${CONFIG_SMSC_SCH5545_EC_FW_FILE#../../}
-	mk_blobdir "${_sch5545ec_destination}" "extract_sch5545ec" || return 0
-	mk_appdir "extract_sch5545ec"
+	mkdirs "${_sch5545ec_destination}" "extract_sch5545ec" || return 0
 
 	# full system ROM (UEFI), to extract with UEFIExtract:
 	_bios="${dl_path}_extracted/Firmware"
@@ -295,8 +291,7 @@ fetch_update()
 	for x in "${dl}" "${dl_bkup}"; do
 		[ "${dl_fail}" = "n" ] && break
 		[ -z "${x}" ] && continue
-		rm -f "${dl_path}" || \
-		    err "fetch_update: !rm -f ${dl_path}"
+		rm -f "${dl_path}" || err "fetch_update: !rm -f ${dl_path}"
 		wget --tries 3 -U "${agent}" "${x}" -O "${dl_path}" || continue
 		vendor_checksum "${dlsum}" && dl_fail="n"
 	done
@@ -309,8 +304,7 @@ fetch_update()
 vendor_checksum()
 {
 	if [ ! -f "${dl_path}" ]; then
-		printf "Vendor update not found on disk for: %s\n" "${board}" \
-		    1>&2
+		printf "Vendor update not found for: %s\n" "${board}" 1>&2
 		return 1
 	elif [ "$(sha512sum ${dl_path} | awk '{print $1}')" != "${1}" ]; then
 		printf "Bad checksum on vendor update for: %s\n" "${board}" 1>&2
@@ -318,29 +312,21 @@ vendor_checksum()
 	fi
 }
 
-mk_blobdir()
+mkdirs()
 {
 	[ -f "${1}" ] && \
-		printf "${2} firmware already downloaded\n" 1>&2 && return 1
-	if [ ! -d "${1%/*}" ]; then
-		mkdir -p "${1%/*}" || err "${2}: mkdir ${1%/*}"
-	fi
-}
-
-mk_appdir()
-{
-	[ ! -d "${appdir}" ] || rm -Rf "${appdir}" || \
-	    err "${1}: can't remove ${appdir}"
-	mkdir -p "${appdir}/" || err "${1}: !mkdir ${appdir}"
+		printf "mkdirs ${1} ${2}: already downloaded\n" 1>&2 && return 1
+	mkdir -p "${1%/*}" || err "mkdirs ${1} ${2}: !mkdir ${1%/*}"
+	rm -Rf "${appdir}" || err "mkdirs ${1} ${2}: can't remove ${appdir}"
+	mkdir -p "${appdir}/" || err "mkdirs ${1} ${2}: !mkdir ${appdir}"
 	extract_archive "${dl_path}" "${appdir}" || \
-	    [ "${1}" = "extract_e6400vga" ] || err "${1}: can't extract update"
+	    [ "${2}" = "extract_e6400vga" ] || err "mkdirs ${1} ${2}: !extract"
 }
 
 extract_archive()
 {
-	innoextract "${1}" -d "${2}" || 7z x "${1}" -o"${2}" || \
-	    unar "${1}" -o "${2}" || \
-	    python "${pfs_extract}" "${1}" -e || return 1
+	innoextract "${1}" -d "${2}" || python "${pfs_extract}" "${1}" -e || \
+	     7z x "${1}" -o"${2}" || unar "${1}" -o "${2}" || return 1
 }
 
 main $@
-- 
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