2 files changed, 31 insertions, 1 deletions
diff --git a/auto/build b/auto/build
index e55b879..306af81 100755
--- a/auto/build
+++ b/auto/build
@@ -7,4 +7,24 @@ bit=32
 # Update kanotix-version (32/64-bit and timestamp)
 perl -pi -e "s%(Kanotix|Excalibur|Hellfire)(32|64)%\${1}$bit%i; s%(32|64)(bit)%$bit\${2}%i; s|[0-9]+-[0-9]+:[0-9]+|$(date +%Y%m%d-%H:%M)|" config/chroot_local-includes/etc/kanotix-version
 
-lh build noauto ${@} 2>&1 | tee binary.log
+if [ -d tmpfs ]; then
+       # build using tmpfs
+       if [ -z "$(stat --printf "%d\n" . tmpfs | uniq -u)" ]; then
+               # tmpfs not mounted yet
+               options=defaults
+               [ -f tmpfs/options ] && options="$(<tmpfs/options)"
+               mount -t tmpfs -o "$options" tmpfs tmpfs
+       fi
+       cd tmpfs
+       # delete everything except cache
+       find . -maxdepth 1 ! -name cache -exec rm -r '{}' \; 2>/dev/null
+       # copy everything to tmpfs
+       rsync -a .. . --exclude=tmpfs
+       # build
+       lh build noauto ${@} 2>&1 | tee binary.log
+       cd ..
+       # prevent parent lh build (the "auto" one) from building again
+       exit 1
+else
+       lh build noauto ${@} 2>&1 | tee binary.log
+fi
diff --git a/auto/clean b/auto/clean
index 05c53de..fb261dd 100755
--- a/auto/clean
+++ b/auto/clean
@@ -19,3 +19,13 @@ then
 	rmdir --ignore-fail-on-non-empty config
 fi
 
+# umount tmpfs
+if [ -e tmpfs ]; then
+       case "$1" in
+       --tmpfs|--all)
+               [ "$(stat --printf "%d\n" . tmpfs | uniq -u)" ] && umount tmpfs;;
+       esac
+       [ "$1" = "--tmpfs" ] && exit 1
+fi
+
+exit 0