Fix package signing (#20451)

* Build: Fix package signing

scripts/build/rpmmacros

@@ -2,3 +2,4 @@
 %_gpg_path /root/.gnupg
 %_gpg_name Grafana
 %_gpgbin /usr/bin/gpg
+%_gpg_sign_cmd_extra_args --batch --pinentry-mode loopback --passphrase-file /tmp/gpg-passphrase

scripts/build/sign_expect

@@ -1,12 +0,0 @@
-#!/usr/bin/expect -f
-# wrapper to make rpm --sign be non-interactive
-# passwd is 1st arg, file to sign is 2nd
-#send_user «$argv0 [lrange $argv 0 2]\n"
-#set files [lrange $argv 1 $argc ]
-
-set password [lindex $argv 0]
-set files [lindex $argv 1]
-spawn rpm --addsign $files
-expect "Enter pass phrase:"
-send -- "$password\r"
-expect eof

scripts/build/sign_packages.sh

@@ -17,8 +17,9 @@ fi
 gpg --batch --allow-secret-key-import --import ~/private-repo/signing/private.key
 
 cp ./scripts/build/rpmmacros ~/.rpmmacros
+echo "$GPG_KEY_PASSWORD" > /tmp/gpg-passphrase
 
 for package in $_files; do
     [ -e "$package" ] || continue
-    ./scripts/build/sign_expect "$GPG_KEY_PASSWORD" "$package"
+    rpm --addsign "$package"
 done