working on #91 touch /var/lib/rpm/*

see moby/moby#10180 (comment)

bin/build.sh

@@ -116,9 +116,6 @@ build_fedora_clean() {
  if [[ ${build_no_clean:-} ]]; then
  return
  fi
- # This avoids "rpmdb: damaged header" when building Fedora 29 on CentOS 7
- rm -f /var/lib/rpm/__db*
- build_sudo rpm --rebuilddb --quiet
  # Clear caches
  build_yum clean all
  ls -d /var/cache/*/* | grep -v /var/cache/ldconfig/ | xargs rm -rf
@@ -405,6 +402,9 @@ build_run_user_home_chmod_public() {
 }
 
 build_run_yum() {
+ # Attempt to fix corrupted rpmdb
+ # https://github.com/moby/moby/issues/10180#issuecomment-378005800
+ touch /var/lib/rpm/*
  if grep -s -q '^# *yum.update' rpms.txt || [[ ${build_want_yum_update:-} ]]; then
  # https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=1171928
  # error: unpacking of archive failed on file /sys: cpio: chmod