xbmk: tidy up some if statements

this is an extension of the previous work to unroll
most of the condensed code lines.

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

include/get.sh

@@ -28,7 +28,6 @@ fetch_project()
 	if [ -n "$xtree" ]; then
 		x_ ./mk -f coreboot "$xtree"
 	fi
-
 	if [ -n "$depend" ]; then
 		for d in $depend ; do
 			x_ ./mk -f $d
@@ -118,9 +117,7 @@ xbget()
 	do
 		if [ -z "$url" ]; then
 			err "empty URL given in" "xbget" "$@"
-		fi
-
-		if ! try_file "$url" "$@"; then
+		elif ! try_file "$url" "$@"; then
 			continue
 		fi
 

include/init.sh

@@ -283,27 +283,22 @@ xbmk_set_pyver()
 	if ! pybin python3 1>/dev/null; then
 		python="python"
 	fi
-
 	if [ "$python" = "python3" ]; then
 		pyver="3"
 	fi
-
 	if ! pybin "$python" 1>/dev/null; then
 		pyver=""
 	fi
-
 	if [ -n "$pyver" ]; then
 		"`x_ pybin "$python"`" -c "$pyv" 1>/dev/null \
 		    2>/dev/null || \
 		    err "Can't detect Python version." "xbmk_set_pyver" "$@"
 	fi
-
 	if [ -n "$pyver" ]; then
 		pyver="$("$(pybin "$python")" -c "$pyv" | awk '{print $1}')"
 		pyver="${pyver#(}"
 		pyver="${pyver%,}"
 	fi
-
 	if [ "${pyver%%.*}" != "3" ]; then
 		err "Bad python version (must by 3.x)" "xbmk_set_pyver" "$@"
 	fi
@@ -331,7 +326,6 @@ pybin()
 	if ! command -v "$1" 1>/dev/null 2>/dev/null; then
 		venv=0
 	fi
-
 	if [ $venv -gt 0 ]; then
 		if ! "$1" -c "$py" 1>/dev/null 2>/dev/null; then
 			venv=0
@@ -354,11 +348,14 @@ pybin()
 		fi
 	fi
 
-	# if python venv: fall back to common PATH directories for checking
+	# if python venv: fall back to common PATH directories for checking:
+
 	[ $venv -gt 0 ] && for pypath in "/usr/local/bin" "/usr/bin"; do
-		[ -e "$pypath/$1" ] && [ ! -d "$pypath/$1" ] && \
-		    [ -x "$pypath/$1" ] && printf "%s/%s\n" "$pypath" "$1" && \
-		    return 0
+		if [ -e "$pypath/$1" ] && [ ! -d "$pypath/$1" ] && \
+		    [ -x "$pypath/$1" ]; then
+			printf "%s/%s\n" "$pypath" "$1"
+			return 0
+		fi
 	done && return 1
 
 	# Defer to normal command -v if not a venv

include/inject.sh

@@ -58,7 +58,6 @@ inject()
 	if check_target; then
 		patch_release
 	fi
-
 	if [ "$xchanged" = "y" ]; then
 		remktar
 	fi
@@ -149,9 +148,7 @@ patch_release()
 		#       prohibits direct exits. should probably return?
 
 		exit 0
-	fi
-
-	if [ -n "$new_mac" ] && [ -n "$CONFIG_GBE_BIN_PATH" ]; then
+	elif [ -n "$new_mac" ] && [ -n "$CONFIG_GBE_BIN_PATH" ]; then
 		modify_mac
 	fi
 }

include/lib.sh

@@ -89,24 +89,25 @@ e()
 setvars()
 {
 	_setvars=""
+
 	if [ $# -lt 2 ]; then
 		printf "err \"setvars: too few args\\n\""
 		return 0
-	fi
-	val="$1"
-	shift 1
-	while [ $# -gt 0 ]; do
-		printf "%s=\"%s\"\n" "$1" "$val"
+	else
+		val="$1"
 		shift 1
-	done
+		while [ $# -gt 0 ]; do
+			printf "%s=\"%s\"\n" "$1" "$val"
+			shift 1
+		done
+	fi
 }
 
 setcfg()
 {
 	if [ $# -gt 1 ]; then
 		printf "e \"%s\" f missing && return %s;\n" "$1" "$2"
-	fi
-	if [ $# -lt 2 ]; then
+	else
 		printf "e \"%s\" f not && err \"Missing config '$1'\";\n" "$1"
 	fi
 	printf ". \"%s\" || err \"Could not read config '$1'\";\n" "$1"
@@ -205,19 +206,18 @@ x_()
 {
 	if [ $# -lt 1 ]; then
 		return 0
-	fi
-	if [ -z "$1" ]; then
+	elif [ -z "$1" ]; then
 		err "Empty first arg" "x_" "$@"
+	else
+		"$@" || err "Unhandled error" "x_" "$@"
 	fi
-	"$@" || err "Unhandled error" "x_" "$@"
 }
 
 xchk()
 {
 	if [ $# -lt 3 ]; then
 		err "$1 needs at least two arguments" "xchk" "$@"
-	fi
-	if [ -z "$2" ] || [ -z "$3" ]; then
+	elif [ -z "$2" ] || [ -z "$3" ]; then
 		err "arguments must not be empty" "xchk" "$@"
 	fi
 }

include/rom.sh

@@ -197,7 +197,6 @@ mkcorebootbin_real()
 	if [ -z "$grub_scan_disk" ]; then
 		grub_scan_disk="nvme ahci ata"
 	fi
-
 	if [ -z "$grubtree" ]; then
 		grubtree="default"
 	fi
@@ -408,7 +407,6 @@ cprom()
 	if [ -n "$displaymode" ]; then
 		newrom="${newrom%.rom}_$displaymode.rom"
 	fi
-
 	if [ $# -gt 0 ] && [ "${1%.gkb}" != "$1" ]; then
 		tmpnew="${1##*/}"
 		newrom="${newrom%.rom}_${tmpnew%.gkb}.rom"

include/tree.sh

@@ -63,14 +63,10 @@ trees()
 
 	if [ -z "$_f" ]; then
 		err "missing flag ($flags)" "trees" "$@"
-	fi
-
-	if [ -z "$project" ]; then
+	elif [ -z "$project" ]; then
 		fx_ "x_ ./mk $_f" x_ ls -1 config/git
 		return 1
-	fi
-
-	if [ ! -f "config/git/$project/pkg.cfg" ]; then
+	elif [ ! -f "config/git/$project/pkg.cfg" ]; then
 		err "config/git/$project/pkg.cfg missing" "trees" "$@"
 	fi
 
@@ -156,7 +152,6 @@ handle_defconfig()
 	if [ ! -f "CHANGELOG" ]; then
 		fetch_project "$project"
 	fi
-
 	if ! configure_project "$target_dir"; then
 		return 0
 	fi
@@ -234,21 +229,18 @@ configure_project()
 		if [ "$_f" = "-d" ]; then
 			build_depend="" # dry run
 		fi
-
 		if [ "$cmd" = "build_project" ]; then
 			# single-tree, so it can't be a target pointing
 			# to a main source tree
 
 			break
 		fi
-
 		if [ "$do_make" != "n" ]; then
 			# if we're *downloading* a project, then
 			# we don't need to to change the target.cfg 
 
 			break
 		fi
-
 		if [ "${_tcfg%/*/target.cfg}" = "${_tcfg%"/$tree/target.cfg"}" ]
 		then
 			# we have found the main source tree that
@@ -264,7 +256,6 @@ configure_project()
 	if [ "$XBMK_RELEASE" = "y" ] && [ "$release" = "n" ]; then
 		return 1
 	fi
-
 	if [ -n "$btype" ] && [ "${mode%config}" != "$mode" ]; then
 		return 1
 	fi
@@ -281,10 +272,8 @@ configure_project()
 	if [ ! -f "CHANGELOG" ]; then
 		delete_old_project_files
 	fi
-
 	if [ "$do_make" = "n" ]; then
-		if [ ! -f "CHANGELOG" ]
-		then
+		if [ ! -f "CHANGELOG" ]; then
 			fetch_${cmd#build_}
 		fi
 
@@ -308,11 +297,9 @@ build_dependencies()
 			$dry err "$project/$tree: !bd '$bd'" \
 			    "build_dependencies" "$@"
 		fi
-
 		if [ "${bd##*/}" = "$bd" ]; then
 			bd_tree=""
 		fi
-
 		if [ -n "$bd_project" ]; then
 			$dry x_ ./mk -b $bd_project $bd_tree; :
 		fi
@@ -591,18 +578,13 @@ check_autoconf()
 	(
 		x_ cd "$1"
 
-		if [ -f "bootstrap" ]
-		then
+		if [ -f "bootstrap" ]; then
 			x_ ./bootstrap $bootstrapargs
 		fi
-
-		if [ -f "autogen.sh" ]
-		then
+		if [ -f "autogen.sh" ]; then
 			x_ ./autogen.sh $autogenargs
 		fi
-
-		if [ -f "configure" ]
-		then
+		if [ -f "configure" ]; then
 			x_ ./configure $autoconfargs; :
 		fi
 

mk

@@ -12,11 +12,9 @@ ispwd="true"
 if [ "$0" != "./mk" ]; then
 	ispwd="false"
 fi
-
 if [ "$ispwd" = "true" ] && [ -L "mk" ]; then
 	ispwd="false"
 fi
-
 if [ "$ispwd" = "false" ]; then
 	printf "You must run this in the proper work directory.\n" 1>&2
 	exit 1