Make shasum independend from folder name

AUR/PKGBUILD

@@ -0,0 +1,26 @@
+pkgname=dirsha256sum
+source=("${pkgname}::git+https://git.shimatta.de/mhu/dirsha256sum.git")
+sha1sums=('SKIP')
+pkgrel=1
+arch=('i686' 'x86_64' 'arm')
+pkgdesc="Script to calculate a sha256sum over an entire directory"
+depends=('coreutils')
+provides=('dirsha256sum')
+pkgver=1.0.0.r0.g241b943
+pkgver () {
+  cd "$pkgname"
+  git describe --long --always --tags | sed 's/^v//' | sed 's/\([^-]*-g\)/r\1/;s/-/./g'
+}
+
+prepare () {
+	:;
+}
+
+build () {
+	:;
+}
+
+package () {
+	cd "$srcdir/$pkgname"
+	install -D -m775 "$srcdir/$pkgname/$pkgname" "$pkgdir/usr/bin/$pkgname"
+}

dirsha256sum

@@ -2,6 +2,9 @@
 
 # This script calculates a sha256sum over all files in a dirextory including its subdirectories
 
+# Length of the sha256 hash. Adapt when changing hash algorithm
+hashlen=64
+
 if [[ -z $1 ]]; then
 	echo "Usage: $0 <path to folder>"
 	exit -1
@@ -23,7 +26,8 @@ echo "Found ${#filelist[@]} files"
 
 # Calculate shasums over all files
 shasum=`for file in "${filelist[@]}"; do
-	sha256sum "$file"
+	sha256sum "$file" | head -c $hashlen
+	echo ""
 done | sha256sum | sed 's/\s-//'`
 
 echo "$shasum"