fix checkout on dirty repositories

Signed-off-by: Martin Theiss <martin.theiss@valtech-mobility.com>

Author: vmob-martin-theiss

assets/deepen_shallow_clone_until_ref_is_found_then_check_out

@@ -27,7 +27,7 @@ declare depth_from_ref=$((depth - 1))
 git_dir="$(git rev-parse --git-dir)"
 readonly git_dir
 
-while ! git checkout -q "$ref~$depth_from_ref" &>/dev/null; do
+while ! git checkout -f -q "$ref~$depth_from_ref" &>/dev/null; do
   # once the depth of a shallow clone reaches the max depth of the origin
   # repo, Git silenty turns it into a deep clone
   if [ ! -e "$git_dir"/shallow ]; then
@@ -51,4 +51,4 @@ while ! git checkout -q "$ref~$depth_from_ref" &>/dev/null; do
   (( total_depth += depth ))
 done
 
-git checkout -q "$ref"
+git checkout -f -q "$ref"

assets/in

@@ -112,7 +112,7 @@ else
       echo "WARNING: couldn't find a ref for $ref listed on the remote"
     fi
   fi
-  git checkout -q "$ref"
+  git checkout -f -q "$ref"
 fi
 
 invalid_key() {