Add a BerkeleyDB upgrade helper script in preparation of 4...4.7 removal.

svn path=/head/; revision=365566

Tools/scripts/BDB-upgrade-helper.sh

@@ -0,0 +1,77 @@
+#!/bin/sh
+# $Id$
+# ports/Tools/scripts/BDB-upgrade-helper.sh
+#
+# A helper script to upgrade applications that used to depend on
+# BerkeleyDB ports 4.0...4.7 to use a newer version of BerkeleyDB.
+#
+# Written by Matthias Andree in 2014, and placed under the same
+# license as FreeBSD itself, see /COPYRIGHT or /usr/src/COPYRIGHT.
+
+set -eu
+: ${PREFIX:=/usr/local}
+: ${LOCALBASE:=${PREFIX}}
+
+# check requisites
+tool=
+if   [ -x ${LOCALBASE}/sbin/portmaster ] ; then tool=portmaster ;
+elif [ -x ${LOCALBASE}/sbin/portupgrade ]; then tool=portupgrade;
+else
+    echo >&2 "Neither portmaster nor portupgrade installed. Cannot continue."
+    echo >&2 "Please install ports-mgmt/portmaster before proceeding."
+    exit 1
+fi
+
+# check BerkeleyDB 4.0...4.7 versions
+rx='db4[1-7]?(-nocrypto)?-4'
+if pkg -N 2>/dev/null ; then pkg=yes ; else pkg= ; fi
+if [ -n "$pkg" ] ; then
+    # pkg
+    dbnames=$(pkg info -x "$rx")
+else
+    # old pkg_*
+    dbnames=$(pkg_info -E -X "$rx")
+fi
+
+# due to set -e, the script will not reach this point
+# unless there have been matched packages - without packages,
+# pkg_info or pkg will exit with failure.
+
+# check if we need to pass in origins or package names
+if [ "$tool" = portupgrade ] ; then
+    if [ -n "$pkg" ] ; then
+	dbnames=$(printf '%s\n' "$dbnames" | xargs -n1 pkg info -q -o)
+    else
+	dbnames=$(printf '%s\n' "$dbnames" | xargs -n1 pkg_info -q -o)
+    fi
+fi
+
+# generate the upgrade command
+case "$tool" in
+portmaster)
+    cmd="portmaster -R"
+    for i in $dbnames ; do cmd="$cmd -r $i" ; done
+    ;;
+portupgrade)
+    cmd="portupgrade -f -r"
+    for i in $dbnames ; do cmd="$cmd -x $i" ; done
+    for i in $dbnames ; do cmd="$cmd $i" ; done
+    ;;
+*)
+    echo >&2 "Internal error in $0." ; exit 1
+    ;;
+esac
+
+echo "+ $cmd"
+$cmd
+
+# due to set -e, the script will not reach this point
+# if there was an error or failure with the upgrade tool
+
+if [ -n "$pkg" ] ; then
+    pkg delete $dbnames
+else
+    pkg_delete $dbnames
+fi
+
+echo "Success."