1 files changed, 14 insertions, 2 deletions
diff --git a/ship/build b/ship/build
index 5863e325..f7dcf3c2 100755
--- a/ship/build
+++ b/ship/build
@@ -40,12 +40,22 @@ EOF
   fi
 }
 
+## usage: #@strict -> build_strict_mode \1
+build_strict_mode() { cat<<EOF
+$1a\\
+set -euf\\
+set -o posix || :
+EOF
+}
+
 ## usage: #@info -> build_info \1
-build_info() { cat<<EOF
+build_info() {
+    gitinfo=$(git describe --always --dirty --abbrev=0 2>/dev/null || :)
+cat<<EOF
 $1a\\
 # this file was generated by //ship/build\\
 #   build date: $(date -u --rfc-3339=s)\\
-#   git describe: $(git describe --always --dirty --abbrev=0)
+#   git describe: ${gitinfo:-not under version control}
 EOF
 }
 
@@ -177,6 +187,8 @@ buildcache_add() {
   echo "$1" >> "$buildcache"
 }
 
+
+
 ###
 ### main invocation
 ###