anchor.diff:          "$ALPINE_GLIBC_I18N_PACKAGE_FILENAME" && \
       \
       rm "/etc/apk/keys/sgerrand.rsa.pub" && \
  -    /usr/glibc-compat/bin/localedef --force --inputfile POSIX --charmap UTF-8 C.UTF-8 || true && \
  -    echo "export LANG=C.UTF-8" > /etc/profile.d/locale.sh && \
  +    /usr/glibc-compat/bin/localedef --force --inputfile POSIX --charmap UTF-8 "$LANG" || true && \
  +    echo "export LANG=$LANG" > /etc/profile.d/locale.sh && \
       \
       apk del glibc-i18n && \
       \
  
positive.code:     ALPINE_GLIBC_I18N_PACKAGE_FILENAME="glibc-i18n-$ALPINE_GLIBC_PACKAGE_VERSION.apk" && \
      apk add --no-cache --virtual=.build-dependencies wget ca-certificates && \
      wget \
          "https://raw.githubusercontent.com/andyshinn/alpine-pkg-glibc/master/sgerrand.rsa.pub" \
          -O "/etc/apk/keys/sgerrand.rsa.pub" && \
      wget \
          "$ALPINE_GLIBC_BASE_URL/$ALPINE_GLIBC_PACKAGE_VERSION/$ALPINE_GLIBC_BASE_PACKAGE_FILENAME" \
  
negative.code: FROM alpine:3.7
  
  ENV LANG=C.UTF-8
  
  # Here we install GNU libc (aka glibc) and set C.UTF-8 locale as default.
  
  