Make source archives, optionally stripped down.

With a fully stripped-down archive:
* external libraries are required;
* daemonmap won't be compilable (zlib);
* ET and base Trem won't be compilable.

The debian directory is left in place, though really it should be removed
for release purposes.

tarball.sh

@@ -0,0 +1,116 @@
+#! /bin/sh
+
+set -e
+
+cd "$(dirname "$0")"
+
+PACKAGE_NAME="$(sed -e '/^#define PRODUCT_NAME_LOWER/! d; s/[^\"]*\"//; s/\".*$//; s/[^0-9a-z.]/-/g' src/engine/qcommon/q_shared.h)"
+PACKAGE_VERSION="$(sed -e '/^#define PRODUCT_VERSION/! d; s/[^\"]*\"//; s/\".*$//; s/[^0-9a-z.]/-/g' src/engine/qcommon/q_shared.h)"
+PACKAGE="$PACKAGE_NAME-$PACKAGE_VERSION"
+
+STRIP_SOURCES=
+STRIP_BINARIES=
+STRIP_ASSETS=
+STRIP_DEAD=
+FORMAT=tar.xz
+
+while test $# != 0; do
+  case "$1" in
+    strip-sources)
+      STRIP_SOURCES=1
+      ;;
+    strip-binaries)
+      STRIP_BINARIES=1
+      ;;
+    strip-assets)
+      STRIP_ASSETS=1
+      ;;
+    strip-unused)
+      STRIP_UNUSED=1
+      ;;
+    strip)
+      STRIP_SOURCES=1
+      STRIP_BINARIES=1
+      STRIP_ASSETS=1
+      STRIP_DEAD=1
+      ;;
+    7z|zip|tar.gz|tar.bz2|tar.xz)
+      FORMAT="$1"
+      ;;
+    -\?|-h|--help)
+      echo "$(basename "$0") [options]"
+      echo '  builds an optionally stripped-down source archive file'
+      echo 'Source control options (at least one):'
+      echo '  strip-sources  - remove library code copies'
+      echo '  strip-binaries - remove DLLs etc.'
+      echo '  strip-assets   - remove various images etc. found in the pak files'
+      echo '  strip-unused   - remove some "dead" code'
+      echo '  strip          - all of the above'
+      echo 'Archive file formats (select one):'
+      echo '  7z zip tar.gz tar.bz2 tar.xz'
+      echo 'Other options:'
+      exit 0
+      ;;
+    *)
+      echo 'Unrecognised argument "'"$1"'"'
+      exit 2
+      ;;
+  esac
+  shift
+done
+
+cleanup()
+{
+  rm -rf "$PACKAGE"
+}
+
+trap cleanup EXIT 
+
+if test ! -d .git || test "$(git clean -ndf | grep -v '\.#'; git status -s)" != ''; then
+  echo 'I need a clean tree!'
+  exit 2
+fi
+
+# copy the files
+mkdir $PACKAGE
+cp -al $(ls -1 | grep -v $PACKAGE) $PACKAGE
+rm $PACKAGE/tarball.sh
+
+# kill backup files etc.
+find $PACKAGE \( -name '.*' -o -name '*~' -o -name '*.orig' -o -name '*.rej' \) -delete
+
+# purge all but *required* libraries
+test "$STRIP_SOURCES" = '' ||
+  rm -rf $(ls -1d $PACKAGE/src/libs/* | grep -v '/\(cpuinfo\|openexr\|picomodel\)')
+
+# purge binaries
+test "$STRIP_BINARIES" = '' || {
+  rm -rf $PACKAGE/bin
+  find $PACKAGE \( -name '*.dll' -o -name '*.lib' \) -delete
+}
+
+# purge (most) assets
+test "$STRIP_ASSETS" = '' || {
+  rm -rf $PACKAGE/main $PACKAGE/src/gamelogic/*/ui/*[^h]
+}
+
+# remove some disabled-by-default code
+test "$STRIP_DEAD" = '' || {
+  rm -rf $PACKAGE/src/gamelogic/etmain $PACKAGE/src/gamelogic/base
+}
+
+# kill empty directories
+rmdir --ignore-fail-on-non-empty $(find $PACKAGE -type d | sort -r)
+
+# now build the archive
+case "$FORMAT" in
+  7z)
+    7z a -r $PACKAGE.7z $PACKAGE
+    ;;
+  zip)
+    zip -9r $PACKAGE.zip $PACKAGE
+    ;;
+  tar.*)
+    tar cvaf $PACKAGE.$FORMAT $PACKAGE
+    ;;
+esac