branch scripts

[fs/lustre-release.git] / build / land1.sh

diff --git a/build/land1.sh b/build/land1.sh
new file mode 100755 (executable)
index 0000000..6b69eae
--- /dev/null
+++ b/build/land1.sh
@@ -0,0 +1,118 @@
+#!/bin/sh -e 
+
+progname=${0##*/}
+
+CONFLICTS=cvs-merge-conflicts
+CVS=cvs
+
+if [ -f .mergeinfo ] ; then
+    echo ".mergeinfo exists - clean up first"
+    exit 
+fi
+
+if [ -f $CONFLICTS ] ; then
+    echo "$CONFLICTS exists - clean up first"
+    exit 
+fi
+
+if [ $# -lt 2 -o $# -gt 3 ]; then
+    echo "This is phase 1 of merging branches. Usage: $0 parent child [dir]"
+    exit
+fi
+
+parent=$1
+PARENT=`echo $parent | sed -e "s/^b_//" | tr "[a-z]" "[A-Z]"`
+child=$2
+CHILD=`echo $child | sed -e "s/^b_//" | tr "[a-z]" "[A-Z]"`
+date=`date +%Y%m%d_%H%M`
+
+dir=${3:-.}
+module=$(<$dir/CVS/Repository)
+
+if [ "$module" = "lustre" ] ; then
+    echo >&2 "${progname}: You probably want to branch lustre or portals, not the whole tree."
+    echo >&2 "${progname}: Try using ${0} $parent $child lustre"
+    exit 1
+fi
+
+case $parent in
+  HEAD) : ;;
+  b_*|b[1-4]*) : ;;
+  *) parent="b_$parent" ;;
+esac
+case $child in
+  HEAD) : ;;
+  b_*|b[1-4]*) : ;;
+  *) child="b_$child"
+esac
+
+if [ "$parent" != "HEAD" -a "`cat $dir/CVS/Tag 2> /dev/null`" != "T$parent" ]; then
+        echo "${progname}: this script must be run within the $parent branch"
+       exit 1
+fi
+
+TEST_FILE=${TEST_FILE:-ChangeLog} # does this need to be smarter?
+check_tag() {
+       [ -z "$1" ] && echo "check_tag() missing arg" && exit3
+       [ "$1" = "HEAD" ] && return
+       $CVS log $dir/$TEST_FILE 2> /dev/null | grep -q "       $1: " && return
+       echo "${progname}: tag $1 not found in $dir/$TEST_FILE"
+       exit 2
+}
+
+check_tag $child
+check_tag ${CHILD}_BASE
+
+cat << EOF > ".mergeinfo"
+parent=$parent
+PARENT=$PARENT
+child=$child
+CHILD=$CHILD
+date=$date
+module=$module
+dir=$dir
+CONFLICTS=$CONFLICTS
+OPERATION=Land
+OPERWHERE=onto
+EOF
+
+echo PARENT $PARENT parent $parent CHILD $CHILD child $child date $date
+
+# Update your tree to the PARENT branch; HEAD is not really a branch, so you
+# need to update -A instead of update -r HEAD, or the commit will fail. -p
+echo -n "Updating to $parent ...."
+if [ $parent == "HEAD" ]; then
+  $CVS update -AdP $dir
+else
+  $CVS update -r $parent -dP $dir
+fi
+echo "done"
+
+echo -n "Tagging as ${PARENT}_${CHILD}_LAND_PARENT_$date ..."
+$CVS tag ${PARENT}_${CHILD}_LAND_PARENT_$date $dir
+echo "done"
+
+echo -n "Create land point on ${child} ${PARENT}_${CHILD}_LAND_CHILD_$date ..."
+$CVS rtag -r ${child} ${PARENT}_${CHILD}_LAND_CHILD_$date $module $dir
+echo "done"
+
+echo -n "Preserve old base tag ${CHILD}_BASE as ${CHILD}_BASE_PREV ..."
+$CVS tag -F -r ${CHILD}_BASE ${CHILD}_BASE_PREV $dir
+echo "done"
+
+# Apply all of the changes to your local tree:
+echo -n "Updating as -j ${CHILD}_BASE -j ${PARENT}_${CHILD}_LAND_CHILD_$date ..."
+$CVS update -j ${CHILD}_BASE -j ${PARENT}_${CHILD}_LAND_CHILD_$date $dir
+echo "done"
+
+echo -n "Recording conflicts in $CONFLICTS ..."
+if $CVS update | grep '^C' > $CONFLICTS; then
+    echo "Conflicts found, fix before committing."
+    cat $CONFLICTS
+else 
+    echo "No conflicts found"
+    rm -f $CONFLICTS
+fi
+echo "done"
+
+echo "Build, test, commit and then run land2.sh (no arguments)"