AK2: better fix for unknown hash type

- https://github.com/osm0sis/AnyKernel2/commit/45bfc5d602582c53433bd2398bdc5876a7e260c9 broke the error catching on unpackbootimg
- more easily worked around during repack, see linked commit for rationale for the assumption

1 files changed, 1 insertions, 3 deletions

diff --git a/tools/ak2-core.sh b/tools/ak2-core.sh
index a099b6f..8cc609c 100755
--- a/tools/ak2-core.sh
+++ b/tools/ak2-core.sh
@@ -59,9 +59,6 @@ dump_boot() {
     $bin/pxa1088-unpackbootimg -i /tmp/anykernel/boot.img -o $split_img;
   else
     $bin/unpackbootimg -i /tmp/anykernel/boot.img -o $split_img;
-    if [ "$(cat $split_img/boot.img-hash)" == "unknown" ]; then
-      echo "sha1" > $split_img/boot.img-hash;
-    fi;
   fi;
   if [ $? != 0 -o "$dumpfail" ]; then
     ui_print " "; ui_print "Dumping/splitting image failed. Aborting..."; exit 1;
@@ -129,6 +126,7 @@ write_boot() {
     fi;
     if [ -f *-hash ]; then
       hash=`cat *-hash`;
+      test "$hash" == "unknown" && hash=sha1;
       hash="--hash $hash";
     fi;
     if [ -f *-unknown ]; then