lbmk scripts: shorter code lines

while seemingly pedantic, this does actually make code
easier to read. mostly just switching to shorthand for
variable names, where no expansions or patterns are used

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

include/err.sh

@@ -29,7 +29,7 @@ check_git()
 
 git_err()
 {
-	printf "You need to set git name/email, like so:\n%s\n\n" "${1}" 1>&2
+	printf "You need to set git name/email, like so:\n%s\n\n" "$1" 1>&2
 	fail "Git name/email not configured" || \
 	    err "Git name/email not configured"
 }

include/git.sh

@@ -51,12 +51,13 @@ load_target_config()
 	. "${cfgsdir}/${1}/target.cfg" || \
 	    err "load_target_config ${cfgsdir}/${1}: cannot load config"
 
-	touch "${cfgsdir}/${1}/seen" || err "load_config $cfgsdir/$1: !mk seen"
+	touch "${cfgsdir}/${1}/seen" || \
+	    err "load_config $cfgsdir/$1: !mk seen"
 }
 
 prepare_new_tree()
 {
-	printf "Creating %s tree %s (%s)\n" "${project}" "${tree}" "${_target}"
+	printf "Creating %s tree %s (%s)\n" "$project" "$tree" "$_target"
 
 	remkdir "${tmp_git_dir%/*}"
 	cp -R "src/${project}/${project}" "${tmp_git_dir}" || \
@@ -121,7 +122,7 @@ clone_project()
 git_reset_rev()
 {
 	git -C "${1}" reset --hard ${2} || err "!git reset ${1} <- ${2}"
-	if [ "${project}" != "coreboot" ] && [ "${project}" != "u-boot" ] && \
+	if [ "$project" != "coreboot" ] && [ "$project" != "u-boot" ] && \
 	    [ -f "${1}/.gitmodules" ]; then
 		git -C "${1}" submodule update --init --checkout || \
 		    err "git_reset_rev ${1}: can't download submodules"
@@ -137,7 +138,7 @@ git_am_patches()
 		[ -f "${patch}" ] || continue
 		git -C "${sdir}" am "${patch}" || patchfail="y"
 		[ "${patchfail}" != "y" ] && continue
-		git -C "${sdir}" am --abort || err  "${sdir}: !git am --abort"
+		git -C "$sdir" am --abort || err  "$sdir: !git am --abort"
 		err  "!git am ${patch} -> ${sdir}"
 	done
 	for patches in "${patchdir}/"*; do

include/mrc.sh

@@ -8,7 +8,7 @@ eval "$(setvars "" MRC_url MRC_url_bkup MRC_hash MRC_board SHELLBALL)"
 
 extract_mrc()
 {
-	[ -z "${MRC_board}" ] && err "extract_mrc $MRC_hash: MRC_board not set"
+	[ -z "$MRC_board" ] && err "extract_mrc $MRC_hash: MRC_board not set"
 	[ -z "${CONFIG_MRC_FILE}" ] && \
 		err "extract_mrc $MRC_hash: CONFIG_MRC_FILE not set"
 
@@ -21,7 +21,7 @@ extract_mrc()
 	) || err "mrc download/extract failure"
 
 	"${cbfstool}" "${appdir}/"bios.bin extract -n mrc.bin \
-	    -f "${_dest}" -r RO_SECTION || err "extract_mrc: cbfstool ${_dest}"
+	    -f "$_dest" -r RO_SECTION || err "extract_mrc: cbfstool $_dest"
 }
 
 extract_partition()
@@ -38,5 +38,5 @@ extract_partition()
 	    err "extract_partition, dd ${1%.zip}, root-a.ext2"
 
 	printf "cd /usr/sbin\ndump chromeos-firmwareupdate ${SHELLBALL}\nquit" \
-	    | debugfs "root-a.ext2" || err "extract_mrc: can't extract shellball"
+	    | debugfs "root-a.ext2" || err "can't extract shellball"
 }

include/option.sh

@@ -52,7 +52,7 @@ scan_config()
 	done << EOF
 	$(eval "awk '${awkstr}' \"${revfile}\"")
 EOF
-	rm -f "${revfile}" || "${_fail}" "scan_config: Cannot remove tmpfile"
+	rm -f "$revfile" || "$_fail" "scan_config: Cannot remove tmpfile"
 }
 
 check_defconfig()