PS-9129 Deb12 service is not running after non-pro to pro update

Author: adivinho

build-ps/debian/percona-server-server.postinst

@@ -175,6 +175,7 @@ EOF
 		set +e
 
 	else
+		chmod +x /etc/init.d/mysql || true
 		# If the existing config file is a proper file, we back it up
 		if [ -f "/etc/mysql/my.cnf" ] && [ ! -L "/etc/mysql/my.cnf" ]; then
 			cp /etc/mysql/my.cnf /etc/mysql/my.cnf.bak

build-ps/debian/rules

@@ -15,8 +15,8 @@ ifeq ($(FIPSMODE),1)
 	COMPILATION_COMMENT_RELEASE = "Percona Server Pro (GPL), Release $(PS_VERSION_EXTRA), Revision $(REVISION)"
 	COMPILATION_COMMENT_DEBUG = "Percona Server Pro - Debug (GPL), Release $(PS_VERSION_EXTRA), Revision $(REVISION)"
 else
-	COMPILATION_COMMENT_RELEASE = "Percona Server (GPL), Release $(PS_VERSION_EXTRA), Revision $(REVISION)"$
-	COMPILATION_COMMENT_DEBUG = "Percona Server - Debug (GPL), Release $(PS_VERSION_EXTRA), Revision $(REVISION)"$
+	COMPILATION_COMMENT_RELEASE = "Percona Server (GPL), Release $(PS_VERSION_EXTRA), Revision $(REVISION)"
+	COMPILATION_COMMENT_DEBUG = "Percona Server - Debug (GPL), Release $(PS_VERSION_EXTRA), Revision $(REVISION)"
 endif
 TOKUDB_BACKUP_VERSION = "@@TOKUDB_BACKUP_VERSION@@"
 
@@ -228,6 +228,7 @@ override_dh_installinit:
 #	dh_apparmor -ppercona-mysql-router --profile-name=usr.bin.mysqlrouter
 	dh_systemd_enable --name=mysql; dh_systemd_enable --no-enable --name=mysql@
 	dh_installinit --name=mysql -- defaults 19 21
+	chmod +x debian/percona-server-server/etc/init.d/mysql || true
 	dh_installinit --name=mysqlrouter -- defaults 19 21
 	dh_systemd_start --restart-after-upgrade
 	touch $@