1 files changed, 83 insertions, 0 deletions
diff --git a/vendor/getinfo b/vendor/getinfo
new file mode 100755
index 0000000..2ef257c
--- /dev/null
+++ b/vendor/getinfo
@@ -0,0 +1,83 @@
+#!/bin/sh
+# small helper to extract information form *.ent files
+
+BASEDIR="$(readlink -f "$(dirname $0)")"
+
+getcurrent() {
+	# search for an exact match to use the correct sources.list example
+	cd $BASEDIR
+	DISTROS="$(find . -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 2 | LC_ALL=C sort)"
+	for DISTRO in $DISTROS; do
+		if dpkg-vendor --is $DISTRO; then
+			echo $DISTRO
+			return 0
+		fi
+	done
+
+	# if we haven't found a specific, look for a deriving
+	# we do ubuntu and debian last as those are the biggest families
+	# and would therefore potentially 'shadow' smaller families
+	# (especially debian as it sorts quiet early)
+	for DISTRO in $DISTROS; do
+		if [ "$DISTRO" = 'debian' -o "$DISTRO" = 'ubuntu' ]; then continue; fi
+		if dpkg-vendor --derives-from $DISTRO; then
+			echo $DISTRO
+			return 0
+		fi
+	done
+
+	# Do the ubuntu/debian dance we talked about
+	if dpkg-vendor --derives-from ubuntu; then
+		echo ubuntu
+		return 0
+	fi
+
+	echo debian
+	return 0
+}
+
+if [ "$1" = "--vendor" ]; then
+	CURRENT_VENDOR="$2"
+	shift 2
+else
+	CURRENT_VENDOR=$(getcurrent)
+fi
+INFO="$(readlink -f "${BASEDIR}/$CURRENT_VENDOR/apt-vendor.ent")"
+VERBATIM="${BASEDIR}/../doc/apt-verbatim.ent"
+
+if [ -z "$INFO" ] || [ ! -e "$INFO" ]; then
+	echo >&2 'The current vendor is not valid or not chosen by the buildsystem yet.'
+	exit 1
+fi
+
+getrawfield() {
+	awk "/<!ENTITY $1/ {f=NR} f && NR-1==f { print; exit 0 }" RS='"' "${2:-$INFO}"
+}
+
+getfield() {
+	local FIELD="$(getrawfield "$@")"
+	FIELD="${FIELD#*>}"
+	echo "${FIELD%<*}"
+}
+
+case "$1" in
+debian-stable-codename|debian-oldstable-codename|debian-testing-codename|ubuntu-codename)
+	getrawfield "$1" "$VERBATIM"
+	;;
+sourceslist-list-format|keyring-package|keyring-filename|keyring-master-filename|keyring-removed-filename|keyring-uri|current-codename)
+	exec $0 --vendor $CURRENT_VENDOR 'vendor' "$@"
+	;;
+vendor)
+	getfield "$2"
+	;;
+verbatim)
+	getfield "$2" "$VERBATIM"
+	;;
+current)
+	echo $CURRENT_VENDOR
+	;;
+*)
+	echo >&2 "Unknown data field $1 requested"
+	exit 2
+	;;
+esac