From 7b1bb4fd5a05b9c35ae23734f12b2a92fe5f0a57 Mon Sep 17 00:00:00 2001
From: Pavel Raiskup <praiskup@redhat.com>
Date: Tue, 1 Jul 2014 13:41:43 +0200
Subject: postgresql-check-db-dir generated also

Also generate files using sed as is suggested by autoconf manual
(and the autoconf project does so internally).
---
 postgresql-check-db-dir.in | 57 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 postgresql-check-db-dir.in

(limited to 'postgresql-check-db-dir.in')

diff --git a/postgresql-check-db-dir.in b/postgresql-check-db-dir.in
new file mode 100644
index 0000000..3514247
--- /dev/null
+++ b/postgresql-check-db-dir.in
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+# This script verifies that the postgresql data directory has been correctly
+# initialized.  We do not want to automatically initdb it, because that has
+# a risk of catastrophic failure (ie, overwriting a valuable database) in
+# corner cases, such as a remotely mounted database on a volume that's a
+# bit slow to mount.  But we can at least emit a message advising newbies
+# what to do.
+
+PGDATA="$1"
+
+if [ -z "$PGDATA" ]
+then
+    echo "Usage: $0 database-path"
+    exit 1
+fi
+
+# Full PostgreSQL version, e.g. 9.0.2
+PGVERSION=@PGVERSION@
+
+# Major version of PostgreSQL, e.g. 9.0
+PGMAJORVERSION=@PGMAJORVERSION@
+
+# Previous major version, e.g., 8.4, for upgrades
+PREVMAJORVERSION=@PREVMAJORVERSION@
+
+# Directory containing the postgresql package's documentation
+PGDOCDIR=@pgdocdir@
+
+# Check for the PGDATA structure
+if [ -f "$PGDATA/PG_VERSION" ] && [ -d "$PGDATA/base" ]
+then
+    # Check version of existing PGDATA
+    if [ x`cat "$PGDATA/PG_VERSION"` = x"$PGMAJORVERSION" ]
+    then
+        : A-OK
+    elif [ x`cat "$PGDATA/PG_VERSION"` = x"$PREVMAJORVERSION" ]
+    then
+        echo $"An old version of the database format was found."
+        echo $"Use \"postgresql-setup upgrade\" to upgrade to version $PGMAJORVERSION."
+        echo $"See $PGDOCDIR/README.rpm-dist for more information."
+        exit 1
+    else
+        echo $"An old version of the database format was found."
+        echo $"You need to dump and reload before using PostgreSQL $PGMAJORVERSION."
+        echo $"See $PGDOCDIR/README.rpm-dist for more information."
+        exit 1
+    fi
+else
+    # No existing PGDATA! Warn the user to initdb it.
+    echo $"\"$PGDATA\" is missing or empty."
+    echo $"Use \"postgresql-setup initdb\" to initialize the database cluster."
+    echo $"See $PGDOCDIR/README.rpm-dist for more information."
+    exit 1
+fi
+
+exit 0
-- 
cgit