1 files changed, 18 insertions, 0 deletions
diff --git a/tcwg-llvm-common.sh b/tcwg-llvm-common.sh
index d202bb83..4a431180 100755
--- a/tcwg-llvm-common.sh
+++ b/tcwg-llvm-common.sh
@@ -53,6 +53,8 @@ download_toolchain() {
 update_git() {
   local BASE=$1
   local REV=$2
+  local BASEDIR
+  BASEDIR=$(dirname "$(readlink -f "$0")")
 
   pushd "$BASE"
   hash=$("$BASEDIR/svn-git-hash.pl" "$REV" | awk '{print $2}')
@@ -63,6 +65,22 @@ update_git() {
   popd
 }
 
+# Find the SVN revision of a git-svn repository
+find_svn_rev() {
+  local BASE=$1
+  rev="$(git -C "$BASE" log -n 1 | grep git-svn-id | perl -pe "s/.*@(\d+)\s.*/\$1/")"
+  echo "$rev"
+}
+
+# Find the largest revision of a list
+find_last_rev() {
+  local LAST=0
+  for rev in "$@"; do
+    [ "$rev" -gt "$LAST" ] && LAST=$rev
+  done
+  echo "$LAST"
+}
+
 # Environment Variables and default values
 CPUS=$(nproc --all)
 # We may use between 500MB and 1GB per link job