From e0cc0ff9aff785294ae83d1e2e59f9cd14962be3 Mon Sep 17 00:00:00 2001
From: iexos <hritter@posteo.de>
Date: Thu, 15 Jun 2023 18:51:28 +0200
Subject: [PATCH] make pg upgrade more safe

---
 entrypoint.postgres.sh.tmpl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/entrypoint.postgres.sh.tmpl b/entrypoint.postgres.sh.tmpl
index da27aa8..8289575 100644
--- a/entrypoint.postgres.sh.tmpl
+++ b/entrypoint.postgres.sh.tmpl
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 MIGRATION_MARKER=$PGDATA/migration_in_progress
 OLDDATA=$PGDATA/old_data
 NEWDATA=$PGDATA/new_data
@@ -21,7 +23,7 @@ if [ -n "$DATA_VERSION" -a "$PG_MAJOR" != "$DATA_VERSION" ]; then
   echo "shuffling around"
   gosu postgres mkdir $OLDDATA $NEWDATA
   chmod 700 $OLDDATA $NEWDATA
-  mv $PGDATA/* $OLDDATA/
+  mv $PGDATA/* $OLDDATA/ || true
   touch $MIGRATION_MARKER
   echo "running initdb"
   # abuse entrypoint script for initdb by making server error out