diff --git a/pkgs/build-support/release/functions.sh b/pkgs/build-support/release/functions.sh
index 877edf92728c..0e730ffb250e 100644
--- a/pkgs/build-support/release/functions.sh
+++ b/pkgs/build-support/release/functions.sh
@@ -9,26 +9,26 @@ findTarballs() {
 }
 
 canonicalizeJarManifest() {
-	local input=$1
-	# http://docs.oracle.com/javase/7/docs/technotes/guides/jar/jar.html#Notes_on_Manifest_and_Signature_Files
-	(head -n 1 $input && tail -n +2 $input | sort | grep -v '^\s*$') > $input-tmp
-	mv $input-tmp $input
+    local input=$1
+    # http://docs.oracle.com/javase/7/docs/technotes/guides/jar/jar.html#Notes_on_Manifest_and_Signature_Files
+    (head -n 1 $input && tail -n +2 $input | sort | grep -v '^\s*$') > $input-tmp
+    mv $input-tmp $input
 }
 
 # Post-process a jar file to contain canonical timestamps and metadata ordering
 canonicalizeJar() {
-	local input=$1
-	local outer=$(pwd)
-	unzip -qq $input -d $input-tmp
-	canonicalizeJarManifest $input-tmp/META-INF/MANIFEST.MF
-	# Set all timestamps to Jan 1 1980, which is the earliest date the zip format supports...
-	find $input-tmp -exec touch -t 198001010000.00 {} +
-	rm $input
-	pushd $input-tmp
-	zip -q -r -o -X $outer/tmp-out.jar . 2> /dev/null
-	popd
-	rm -rf $input-tmp
-	mv $outer/tmp-out.jar $input
+    local input=$1
+    local outer=$(pwd)
+    unzip -qq $input -d $input-tmp
+    canonicalizeJarManifest $input-tmp/META-INF/MANIFEST.MF
+    # Set all timestamps to Jan 1 1980, which is the earliest date the zip format supports...
+    find $input-tmp -exec touch -t 198001010000.00 {} +
+    rm $input
+    pushd $input-tmp
+    zip -q -r -o -X $outer/tmp-out.jar . 2> /dev/null
+    popd
+    rm -rf $input-tmp
+    mv $outer/tmp-out.jar $input
 }
 
 propagateImageName() {