xbmk: general cleanup

note: mecleaner check removed in vendor.sh, because
it's already guaranteed to be fetched. the check will
never indicate failure, so we can just assume that
the me cleaner python script exists.

Signed-off-by: Leah Rowe <leah@libreboot.org>

include/env/get.sh

@@ -39,14 +39,12 @@ single_tree_fetch()
 			x_ "$mk" -f $d
 		done
 
-	clone_project
+	$if_single_tree \
+		clone_project; :
 }
 
 clone_project()
 {
-	singletree "$project" || \
-		return 0
-
 	loc="src/$project"
 	[ -d "$loc" ] && \
 		return 0
@@ -174,10 +172,8 @@ try_fetch_curl()
 		try_$2 "$cached" "$@" || \
 			return 1
 
-	[ -f "$5" ] && \
-		if bad_checksum "$6" "$5" 2>/dev/null; then
-			x_ cp "$cached" "$5"
-		fi
+	[ -f "$5" ] && bad_checksum "$6" "$5" 2>/dev/null && \
+		x_ cp "$cached" "$5"
 
 	if [ ! -f "$cached" ]; then
 		return 1
@@ -202,8 +198,7 @@ try_curl()
 	ua="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
 
 	( x_ curl --location --retry 3 -A "$ua" "$2" -o "$1" ) \
-	    || ( x_ wget --tries 3 -U "$ua" "$2" -O "$1" ) \
-	    || return 1; :
+	    || ( x_ wget --tries 3 -U "$ua" "$2" -O "$1" ) || return 1; :
 }
 
 try_copy()
@@ -230,15 +225,9 @@ try_git()
 		x_ mv "$tmpgitcache" "$gitdest"
 	fi
 
-	if git -C "$gitdest" show "$7" 1>/dev/null 2>/dev/null && \
-	    [ "$forcepull" != "y" ]; then
-		# don't try to pull the latest changes if the given target
-		# revision already exists locally. this saves a lot of time
-		# during release builds, and reduces the chance that we will
-		# interact with grub.git or gnulib.git overall during runtime
-
-		return 0
-	fi
+	git -C "$gitdest" show "$7" 1>/dev/null 2>/dev/null && \
+	    [ "$forcepull" != "y" ] && \
+		return 0 # don't pull changes if target rev exists locally
 
 	if [ "$XBMK_CACHE_MIRROR" = "y" ]; then
 		( x_ git -C "$gitdest" fetch ) || :; :
@@ -250,9 +239,8 @@ try_git()
 
 bad_checksum()
 {
-	if e "$2" f missing; then
+	e "$2" f missing && \
 		return 0
-	fi
 
 	build_sbase
 	csum="$(x_ "$sha512sum" "$2" | awk '{print $1}')" || \

include/env/init.sh

@@ -165,13 +165,11 @@ xbmk_parent_set_env()
 
 	x_ chmod -w "$xbmklock"
 
-	xbmk_parent_set_export
-	xbmk_set_version
+	forx 'xbmk_%s' parent_set_export set_version
 
 	remkdir "$xbtmp" "$xbtmp/xbmkpath"
 
-	xbmk_set_pyver
-	xbmk_set_mirror
+	forx 'xbmk_set_%s' pyver mirror
 }
 
 xbmk_parent_check_tmp()

include/fw/inject.sh

@@ -18,8 +18,7 @@ inject()
 {
 	remkdir "$tmpromdel"
 
-	[ $# -lt 1 ] && \
-		err "No options specified" "inject" "$@"
+	[ $# -lt 1 ] && err "No options specified" "inject" "$@"
 
 	archive="$1";
 	new_mac="xx:xx:xx:xx:xx:xx"
@@ -58,9 +57,8 @@ check_release()
 {
 	[ -L "$archive" ] && \
 		err "'$archive' is a symlink" "check_release" "$@"
-	if e "$archive" f missing; then
+	e "$archive" f missing && \
 		err "'$archive' missing" "check_release" "$@"
-	fi
 
 	archivename="`basename "$archive" || err "Can't get '$archive' name"`" \
 	    || err "can't get '$archive' name" "check_release" "$@"
@@ -100,7 +98,6 @@ check_target()
 	x_ "$mk" -d coreboot "$tree"
 
 	ifdtool="elf/coreboot/$tree/ifdtool"
-
 	[ -n "$IFD_platform" ] && \
 		ifdprefix="-p $IFD_platform"; :
 }
@@ -125,8 +122,7 @@ patch_release()
 		fi
 	done
 
-	readkconfig || \
-		return 1
+	readkconfig || return 1
 
 	[ -n "$new_mac" ] && [ -n "$CONFIG_GBE_BIN_PATH" ] && \
 		modify_mac; :
@@ -137,15 +133,13 @@ readkconfig()
 	x_ rm -f "$xbtmp/cbcfg"
 	fx_ scankconfig x_ find "$boarddir/config" -type f
 
-	if e "$xbtmp/cbcfg" f missing; then
+	e "$xbtmp/cbcfg" f missing && \
 		return 1
-	fi
 
 	. "$xbtmp/cbcfg" || \
 	    err "Can't read '$xbtmp/cbcfg'" "readkconfig" "$@"
 
-	setvfile "$@" || \
-		return 1; :
+	setvfile "$@" || return 1; :
 }
 
 scankconfig()
@@ -173,10 +167,9 @@ modify_mac()
 
 newmac()
 {
-	if e "$1" f; then
-		xchanged="y"
-		x_ "$ifdtool" $ifdprefix -i GbE:"$xbtmp/gbe" "$1" -O "$1"
-	fi
+	e "$1" f || return 0
+	xchanged="y"
+	x_ "$ifdtool" $ifdprefix -i GbE:"$xbtmp/gbe" "$1" -O "$1"
 }
 
 remktar()
@@ -190,6 +183,5 @@ remktar()
 	) || err "Cannot re-generate '$archive'" "remktar" "$@"
 
 	mv "${tmpromdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" \
-	    "$archive" || \
-	    err "'$archive' -> Can't overwrite" "remktar" "$@"; :
+	    "$archive" || err "'$archive' -> Can't overwrite" "remktar" "$@"; :
 }

include/fw/vendor.sh

@@ -51,14 +51,12 @@ eval "`newvar DL_hash DL_url DL_url_bkup E6400_VGA_bin_hash E6400_VGA_DL_hash \
 
 download()
 {
-	[ $# -lt 1 ] && \
-		err "No argument given" "download" "$@"
+	[ $# -lt 1 ] && err "No argument given" "download" "$@"
 
 	export PATH="$PATH:/sbin"
 	board="$1"
 
-	check_target || return 0
-	readkconfig download
+	check_target && readkconfig download; :
 }
 
 getfiles()
@@ -108,14 +106,12 @@ fetch()
 	dlop="$6"
 	binsum="$7"
 
-	[ -z "$binsum" ] && \
-		err "binsum is empty (no checksum)" "fetch" "$@"
+	[ -z "$binsum" ] && err "binsum is empty (no checksum)" "fetch" "$@"
 
 	_dl="$XBMK_CACHE/file/$dlsum" # internet file to extract from e.g. .exe
 	_dl_bin="$XBMK_CACHE/file/$binsum" # extracted file e.g. me.bin
 
-	[ "$5" = "/dev/null" ] && \
-		return 0
+	[ "$5" = "/dev/null" ] && return 0 # fetch/extract disabled
 
 	# an extracted vendor file will be placed in pre_dest first, for
 	# verifying its checksum. if it matches, it is later moved to _dest
@@ -160,32 +156,24 @@ fetch()
 		[ ! -f "$_dest" ] || \
 			return 0; :
 
-	[ -z "$binsum" ] && \
-		printf "WARNING: %s: checksum undefined\n" "$_dest" 1>&2
-
 	x_ rm -f "$_dest"
 
+	[ -z "$binsum" ] && printf "WARNING: %s: no checksum\n" "$_dest" 1>&2
 	err "Can't safely extract '$_dest', for board '$board'" "fetch" "$@"
 }
 
 mkdst()
 {
-	if bad_checksum "$1" "$2" 2>/dev/null; then
-		x_ rm -f "$2"
-	else
+	if ! bad_checksum "$1" "$2" 2>/dev/null; then
 		x_ mv "$2" "$_dl_bin"
 		x_ cp "$_dl_bin" "$_dest"
-
 		exit 1
 	fi
+	x_ rm -f "$2"
 }
 
 extract_intel_me()
 {
-	if e "$mecleaner" f missing; then
-		err "$cbdir: me_cleaner missing" "extract_intel_me" "$@"
-	fi
-
 	mfs=""
 	_7ztest="$xbtmp/metmp/a"
 	_metmp="$xbtmp/me.bin"
@@ -228,10 +216,8 @@ extract_intel_me()
 # must be called inside a subshell.
 find_me()
 {
-	[ -f "$_metmp" ] && \
-		exit 1 # me.bin found
-	[ -L "$1" ] && \
-		return 0 # symlinks disabled for security reasons
+	[ -f "$_metmp" ] && exit 1 # me.bin found
+	[ -L "$1" ] && return 0 # symlinks disabled for security reasons
 
 	_7ztest="${_7ztest}a"
 
@@ -268,8 +254,7 @@ find_me()
 		return 0 # can't extract, so try the next file
 	fi
 
-	[ -f "$_metmp" ] && \
-		exit 1 # me.bin found
+	[ -f "$_metmp" ] && exit 1 # me.bin found
 
 	( fx_ find_me x_ find "$_7ztest" -type f ) || exit 1; : # 1==me found
 }
@@ -318,8 +303,7 @@ extract_kbc1126ec_dump()
 	    unar -D 68*.CAB Rom.bin || \
 		err "!kbc1126 unar" "extract_kbc1126ec" "$@"
 
-	[ ! -f "ec.bin" ] && \
-		x_ mv Rom.bin ec.bin
+	[ -f "ec.bin" ] || x_ mv Rom.bin ec.bin
 
 	x_ e ec.bin f
 	x_ "$kbc1126_ec_dump" ec.bin
@@ -365,8 +349,7 @@ extract_sch5545ec()
 # https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t480-type-20l5-20l6/20l5/solutions/ht508988
 extract_tbfw()
 {
-	[ -z "$TBFW_size" ] && \
-		err "$board: TBFW_size unset" "extract_tbfw" "$@"
+	[ -z "$TBFW_size" ] && err "$board: TBFW_size unset" extract_tbfw "$@"
 
 	fx_ copytb x_ find "$appdir" -type f -name "TBT.bin"
 }
@@ -415,12 +398,8 @@ getvfile()
 	bootstrap
 
 	if [ $# -gt 0 ]; then
-		# download vendor files
-
-		getfiles
-	else
-		# inject vendor files
-
+		getfiles # ./mk download
+	else # ./mk inject
 		fx_ prep x_ find "$tmpromdir" -mindepth 1 -maxdepth 1 \
 		    -type f -name "*.rom"
 		( check_vendor_hashes ) || \
@@ -484,8 +463,7 @@ prep()
 		( mksha512 "$_xrom" "vendorhashes" ) || err; :
 	fi
 
-	add_vfiles "$_xrom" || \
-		return 1 # no need to insert files
+	add_vfiles "$_xrom" || return 1 # no need to insert files
 
 	if [ "$nuke" = "nuke" ]; then
 		pad_one_byte "$_xrom"
@@ -548,8 +526,7 @@ add_vfiles()
 
 vfile()
 {
-	[ "$2" = "/dev/null" ] && \
-		return 0
+	[ "$2" = "/dev/null" ] && return 0
 
 	cbfsname="$1"
 	_dest="${2##*../}"

include/lib.sh

@@ -80,8 +80,6 @@ e()
 	printf "%s %s\n" "$1" "$es2" 1>&2
 }
 
-# return 0 if project is single-tree, otherwise 1
-# e.g. coreboot is multi-tree, so 1
 singletree()
 {
 	( fx_ "eval exit 1 && err" find "config/$1/"*/ -type f \
@@ -116,8 +114,7 @@ unpad_one_byte()
 
 build_sbase()
 {
-	[ ! -f "$sha512sum" ] && \
-		x_ make -C "$xbmkpwd/util/sbase"; :
+	[ ! -f "$sha512sum" ] && x_ make -C "$xbmkpwd/util/sbase"; :
 }
 
 remkdir()