perl -pi -e's|\@string/app_name|\@string/beta_app_name|g' AndroidManifest.xml
perl -pi -e's/"com.fsck.k9"/"com.fsck.k9beta"/g' build.xml AndroidManifest.xml
perl -pi -e's|com/fsck/k9/R.java|com/fsck/k9beta/R.java|g' build.xml
ant $@
perl -pi -e's/com\.fsck\.k9beta/com.fsck.k9/g' build.xml AndroidManifest.xml
perl -pi -e's|com/fsck/k9beta/R.java|com/fsck/k9/R.java|g' build.xml
perl -pi -e's|\@string/beta_app_name|\@string/app_name|g' AndroidManifest.xml