1 files changed, 26 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/build-support/fetchcvs/builder.sh b/nixpkgs/pkgs/build-support/fetchcvs/builder.sh
new file mode 100644
index 000000000000..7e4dde4a64c8
--- /dev/null
+++ b/nixpkgs/pkgs/build-support/fetchcvs/builder.sh
@@ -0,0 +1,26 @@
+if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi
+source $stdenv/setup
+
+(echo "#!$SHELL"; \
+ echo 'ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$@"') > ssh
+chmod +x ssh
+export CVS_RSH=$PWD/ssh
+
+# creating the export drictory and checking out there only to be able to
+# move the content without the root directory into $out ...
+# cvs -f -d "$url" export $tag -d "$out" "$module"
+# should work (but didn't - got no response on #cvs)
+# See als man Page for those options
+
+mkdir -p export
+if [ -n "$tag" ]; then
+    tag="-r $tag"
+else
+    if [ -n "$date" ]; then
+        tag="-D $date"
+    else
+        tag="-D NOW"
+    fi
+fi
+(cd export && cvs -f -z0 -d "$cvsRoot" export $tag "$module")
+mv export/* $out