+
+# Copy addonfile $1 from either
+# * the chroot (via $2, the system path),
+# * or from TEMPLATE_DIRECTORY/compat (if exists),
+# * or from the host system (again, using $2),
+# or warn about the missing file.
+#
+# This is because:
+# * We assume that the chroot always has a "good" version of
+# the file. Also it makes sources handling easier.
+# * On unstable, we Recommend the Debian packages containing
+# these files. The user can override them by putting his
+# "better" version into the chroot.
+# * On stable, the Debian packages are probably not available,
+# or outdated, so we look in TEMPLATE_DIRECTORY/compat first, where
+# our grml-live-compat package installs current file versions.
+copy_addon_file() {
+ DEST="${BUILD_OUTPUT}/boot/$3"
+ if [ ! -d "${DEST}/" ]; then
+ mkdir -p "${DEST}"
+ fi
+ if [ -e "$CHROOT_OUTPUT/$2/$1" ]; then
+ log "Copying $1 from chroot"
+ cp "$CHROOT_OUTPUT/$2/$1" "${DEST}/"
+ return $?
+ fi
+ if [ -e "${TEMPLATE_DIRECTORY}/compat/$3/$1" ]; then
+ log "Copying $1 from grml-live-compat"
+ cp "${TEMPLATE_DIRECTORY}/compat/$3/$1" "${DEST}/"
+ return $?
+ fi
+ if [ -e "$2/$1" ]; then
+ log "Copying $1 from system"
+ cp "$2/$1" "${DEST}/"
+ return $?
+ fi
+
+ msg="Missing addon file: \"$1\""
+ ewarn "$msg" ; eend 1
+ log "copy_addon_file: $msg"
+}