arithmetic expansion

oofnikj · oofnikj · commit 8e0182c9531d · 2021-03-05T19:55:18.000+02:00
Signed-off-by: Jordan Sokolic &lt;oofnik@gmail.com&gt;
diff --git a/build.sh b/build.sh
@@ -55,7 +55,7 @@ gen_rootfs_from_img() {
 	wget "${img_url}" -O- | gzip -d > image.img
 	wget "${version}" -O version.buildinfo
 	offset=$(sfdisk -d image.img | grep "image.img2" | sed -E 's/.*start=\s+([0-9]+).*/\1/g')
-	fakeroot unsquashfs -no-progress -quiet -offset $(( 512 * "$offset" )) -dest "$tmpdir" image.img
+	fakeroot unsquashfs -no-progress -quiet -offset $(( 512 * offset )) -dest "$tmpdir" image.img
 	fakeroot tar czf rootfs.tar.gz -C "$tmpdir" .
 }
 

Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ gen_rootfs_from_img() {`
`55`	`55`	`wget "${img_url}" -O- \| gzip -d > image.img`
`56`	`56`	`wget "${version}" -O version.buildinfo`
`57`	`57`	`offset=$(sfdisk -d image.img \| grep "image.img2" \| sed -E 's/.start=\s+([0-9]+)./\1/g')`
`58`		`- fakeroot unsquashfs -no-progress -quiet -offset $(( 512 * "$offset" )) -dest "$tmpdir" image.img`
	`58`	`+ fakeroot unsquashfs -no-progress -quiet -offset $(( 512 * offset )) -dest "$tmpdir" image.img`
`59`	`59`	`fakeroot tar czf rootfs.tar.gz -C "$tmpdir" .`
`60`	`60`	`}`
`61`	`61`