Set Maintainer: from local-config.sh

Addresses #9, 'Pass git name/email into Docker for setting Maintainer:
in packages'

local-config-example.sh

@@ -2,19 +2,15 @@
 #
 # Copy this file to `local-config.sh` and customize for your site
 #
-# The below examples are intended for many use cases; see
-# `scripts/base-config.sh`, `scripts/packages/*.sh` and
-# `scripts/distro/*.sh` for more variables to customize
+# The below examples are intended for many use cases; see files in
+# `base-config.sh`, `packages`, `distro` and `repo` in the `scripts`
+# directory for more variables to customize.
 
-# http/https proxy for package downloads
-#HTTP_PROXY=http://192.168.0.42:3128
-
-# Whether to always allocate a tty in Docker (true/false)
+# Set your user name and email here. Used as the 'Maintainer' field in
+# package changelogs.
 #
-# A bug in Docker pre-1.1.1 prevents command exit status from the
-# `docker run` command when a tty is allocated. Set to `false` if you
-# need exit status from Docker.
-#DOCKER_ALWAYS_ALLOCATE_TTY=true
+#MAINTAINER="John Doe"
+#EMAIL="[email protected]"
 
 # Override distro settings
 #
@@ -26,3 +22,8 @@
 #
 # Add repo to distro
 #DISTRO_REPOS[jessie]+=" dovetail-automata"
+
+# Use http/https proxy for package downloads. Especially useful for
+# caching packages between removing and rebuilding schroots.
+#
+#HTTP_PROXY=http://192.168.0.42:3128

scripts/debian-debzn.sh

@@ -43,10 +43,12 @@ debianization_init() {
     CHANGELOG=/tmp/changelog-$PACKAGE-$DISTRO
 
     if test -z "$MAINTAINER"; then
-	MAINTAINER="$(git config user.name)" || MAINTAINER="dxsbuild user"
+	MAINTAINER="$(git --git-dir=$DEBZN_GIT_DIR/.git config user.name)" || \
+	    error "Please set 'MAINTAINER' in local-config.sh"
     fi
     if test -z "$EMAIL"; then
-	EMAIL="$(git config user.email)" || EMAIL="[email protected]"
+	EMAIL="$(git --git-dir=$DEBZN_GIT_DIR/.git config user.email)" || \
+	    error "Please set 'EMAIL' in local-config.sh"
     fi
     debug "      Maintainer <email>:  $MAINTAINER <$EMAIL>"
 }