dabuild: provide for user-specified `.../packages` directory

1 files changed, 7 insertions, 1 deletions

diff --git a/dabuild.in b/dabuild.in
index 05e7dfd..25dd6dd 100755
--- a/dabuild.in
+++ b/dabuild.in
@@ -40,11 +40,17 @@ else
   esac
 fi
 
+## check $DABUILD_PACKAGES is a writable directory
+if [ ! \( -d "$DABUILD_PACKAGES" -a -w "$DABUILD_PACKAGES" \) ]; then
+  die "Error: invalid packages directory specified!" \
+      "DABUILD_PACKAGES = '$DABUILD_PACKAGES'"
+fi
+
 ## setup volumes; use named volumes as cache if desired
 ABUILD_VOLUMES="
     -v ${HOME}/.abuild:/home/builder/.abuild
     -v ${PWD%/aports*}/aports:/home/builder/aports
-    -v ${PWD%/aports*}/packages:/home/builder/packages
+    -v ${DABUILD_PACKAGES:-${PWD%/aports*}/packages}:/home/builder/packages
 "
 if [ "$DABUILD_CACHE" = "true" ]; then
   for v in %%ABUILD_VOLUMES%% ; do