build-package: fix sha256sum filepath

data/build-package.common

@@ -196,6 +196,7 @@ error () {
 }
 
 sum_sign_package () {
+	cd "${CWD}"
 	sha256sum "${1}" > "${1}.sha256"
 	gpg --sign --detach-sign "${1}.sha256"
 }

data/build-package.pkg-bromite

@@ -22,7 +22,7 @@ create_bromite_webview_package () {
 	zip_add_doc
 	zip_add_config .nanodroid-setup 0
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_bromite_webview () {

data/build-package.pkg-fdroid

@@ -28,7 +28,7 @@ create_fdroid_package() {
 	zip_add_doc
 	zip_add_config .nanodroid-setup 0
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_fdroid () {

data/build-package.pkg-full

@@ -22,7 +22,7 @@ create_full_package () {
 	zip_add_config .nanodroid-setup 0
 	zip_add_config .nanodroid-apps
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_full () {

data/build-package.pkg-microg

@@ -41,7 +41,7 @@ create_microg_package() {
 	zip_add_config .nanodroid-overlay
 	zip_add_config .nanodroid-setup 1
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_microg () {

data/build-package.pkg-misc

@@ -15,7 +15,7 @@ create_patcher_package() {
 
 	zip_add_doc
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_patcher () {
@@ -36,7 +36,7 @@ create_setupwizard_package() {
 
 	zip_add_doc
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_setupwizard () {
@@ -60,7 +60,7 @@ create_uninstaller_package() {
 
 	zip_add_doc
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_uninstaller () {
@@ -84,7 +84,7 @@ create_systest_package() {
 
 	zip_add_doc
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_systest () {

data/build-package.pkg-osmand

@@ -24,7 +24,7 @@ create_osmand_package() {
 	zip_add_doc
 	zip_add_config .nanodroid-setup 0
 
-	sum_sign_package "${ZIP}"
+	sum_sign_package "$(basename ${ZIP})"
 }
 
 mk_pkg_osmand () {