- merge revision 1.25

date: 2006/07/24 23:53:42;  author: mlhuang;  state: Exp;  lines: +14 -9
- copy when preserving instead of moving, and restore in post as well,
  so that you can force upgrade to the same version of myplc

diff --git a/myplc.spec b/myplc.spec
index fcc9a46..bd82763 100644 (file)
--- a/myplc.spec
+++ b/myplc.spec
@@ -115,7 +115,8 @@ fi
 # manifest. However, to avoid deleting these files in the process of
 # upgrading from one of these old versions of myplc, we must back up
 # the database and /etc/planetlab and restore them after the old
-# version has been uninstalled in %triggerpostun.
+# version has been uninstalled in %triggerpostun (also in %post, in
+# case we are force upgrading to the same version).
 #
 # This code can be removed once all myplc-0.4-1 installations have
 # been upgraded to at least myplc-0.4-2.
@@ -123,17 +124,11 @@ fi
 # 0 = install, 1 = upgrade
 if [ $1 -gt 0 ] ; then
     for dir in /var/lib/pgsql/data /etc/planetlab ; do
-       if [ -d /plc/data/$dir ] ; then
+       if [ -d /plc/data/$dir -a ! -d /plc/data/$dir.rpmsave ] ; then
            echo "Preserving /plc/data/$dir"
-           mv /plc/data/$dir /plc/data/$dir.rpmsave
+           cp -ra /plc/data/$dir{,.rpmsave}
        fi
     done
-
-    # Except for the default configuration file and DTD, which really
-    # should be considered for upgrade.
-    mkdir -m 755 -p /plc/data/etc/planetlab
-    mv /plc/data/etc/planetlab.rpmsave/{default_config.xml,plc_config.dtd} \
-       /plc/data/etc/planetlab/ || :
 fi
 
 %post
@@ -142,6 +137,16 @@ if [ -x /sbin/chkconfig ] ; then
     /sbin/chkconfig plc on
 fi
 
+for dir in /var/lib/pgsql/data /etc/planetlab ; do
+    if [ -d /plc/data/$dir.rpmsave -a -d /plc/data/$dir ] ; then
+       echo "Merging /plc/data/$dir"
+       if tar -C /plc/data/$dir.rpmsave -cpf - . | \
+           tar -C /plc/data/$dir -xpf - ; then
+           rm -rf /plc/data/$dir.rpmsave
+       fi
+    fi
+done
+
 # Force a regeneration to take into account new variables
 touch /plc/data/etc/planetlab/default_config.xml