shake

commit 1a3315ffeff541663ead15e76439902a471b783f
parent 55c931e4bc4ad378deaf09a7bcb0f318feb6e4a6
Author: Jul <jul@9o.is>
Date:   Mon,  9 Mar 2026 20:49:19 +0800

cd to root directory and set target on child

Diffstat:
M
shake
 | 
68
++++++++++++++++++++++++++++++++++++++++++++------------------------

1 file changed, 44 insertions(+), 24 deletions(-)
diff --git a/shake b/shake
@@ -3,6 +3,7 @@ set -eu
 
 SHAKE_BIN="$0"
 TARGET=
+TARGET_ROUTE=
 BUILDDIR=.shake
 DIR=.
 OUTDIR=.
@@ -45,15 +46,11 @@ while [ $# -gt 0 ]; do
 	*)
 		[ $# -gt 1 ] && usage
 		TARGET="$1"
+		shift
 		;;
 	esac
 done
 
-if [ ! -f Shakefile ]; then
-	printf "shake: cannot find Shakefile\n" >&2
-	exit 1
-fi
-
 init_file() {
 	if persist && [ -e $DIR/$NINJA_FILE.tmp ]; then
 		rm -f $DIR/$NINJA_FILE.tmp
@@ -83,24 +80,6 @@ import() {
 	. $DIR/$1
 }
 
-set_target() {
-	TARGET_ROUTE=
-
-	case "$TARGET" in
-	.|./)
-		TARGET=.
-		;;
-	'')
-		return
-		;;
-	*)
-		TARGET=${1%/}
-		TARGET=./${TARGET#./}
-		set_target_route $TARGET
-		;;
-	esac
-}
-
 set_target_route() {
 	TARGET_ROUTE="$TARGET_ROUTE $1"
 	if [ $1 = . ]; then return; fi
@@ -284,7 +263,48 @@ foreach() {
 	GEN_FILES="$GEN_FILES $DIR/$1"
 }
 
-set_target
+if [ "$TARGET" ] && [ ! -f "$TARGET/Shakefile" ]; then
+	printf "shake: target is missing Shakefile: %s\n" "$TARGET" >&2
+	exit 1
+fi
+
+# recursively check if there's a build directory
+PWD="$(pwd)"
+ROOTDIR="$PWD"
+while [ ! -d "$ROOTDIR/$BUILDDIR" ]; do
+	if [ "$ROOTDIR" = '/' ]; then
+		ROOTDIR="$(pwd)"
+		break
+	fi
+
+	ROOTDIR="${ROOTDIR%/*}"
+done
+
+if [ "$ROOTDIR" != "$PWD" ]; then
+	TARGET="${PWD#$ROOTDIR}/$TARGET"
+	cd "$ROOTDIR" 2>/dev/null || {
+		printf "shake: cannot change to root directory: %s\n" "$ROOTDIR" >&2
+		exit 1
+	}
+	PWD="$(pwd)"
+fi
+
+if [ ! -f Shakefile ]; then
+	printf "shake: cannot find %s/Shakefile\n" "$PWD" >&2
+	exit 1
+fi
+
+case "$TARGET" in
+'')	  ;;
+.|./) TARGET=.;;
+*)
+	TARGET=${TARGET%/}
+	TARGET=${TARGET#/}
+	TARGET=./${TARGET#./}
+	set_target_route $TARGET
+	;;
+esac
+
 init_file
 
 var ninja_required_version 1.8