bin/return-assignment: allow aborting a build-order by the building slave

1 files changed, 15 insertions, 0 deletions

diff --git a/bin/return-assignment b/bin/return-assignment
index e761b61..d9d87be 100755
--- a/bin/return-assignment
+++ b/bin/return-assignment
@@ -26,6 +26,21 @@ if [ -s "${work_dir}/build-master-sanity" ]; then
   exit 1
 fi
 
+# aborting does not need any locks
+if [ $# -eq 1 ] && \
+  [ "$1" = 'ABORT' ]; then
+  # shellcheck disable=SC2016
+  {
+    printf 'UPDATE `build_slaves`'
+    printf ' SET `build_slaves`.`currently_building`=NULL'
+    # shellcheck disable=SC2154
+    printf ' WHERE `build_slaves`.`id`=%s;\n' \
+      "${slave_id}"
+  } | \
+    mysql_run_query
+  exit
+fi
+
 # Create a lock file and a trap.
 
 exec 9> "${build_list_lock_file}"