Build: fixed signing script issue with circle-ci (grafana#19397)

Author: torkelo

scripts/build/prepare_signing_key.sh

@@ -3,4 +3,3 @@
 set -e
 
 git clone [email protected]:torkelo/private.git ~/private-repo
-cp ~/private-repo/signing/private.key /private.key

scripts/build/sign_packages.sh

@@ -14,7 +14,7 @@ if [ -z "$GPG_KEY_PASSWORD" ]; then
     exit 1
 fi
 
-gpg --allow-secret-key-import --import /private.key
+gpg --allow-secret-key-import --import ~/private-repo/signing/private.key
 
 cp ./scripts/build/rpmmacros ~/.rpmmacros
 

scripts/build/update_repo/load-signing-key.sh

@@ -2,5 +2,5 @@
 
 set -e
 
-gpg --batch --allow-secret-key-import --import /private.key
-pkill gpg-agent
+gpg --batch --allow-secret-key-import --import ~/private-repo/signing/private.key
+pkill gpg-agent