Meta/RE: create relnotes fragments from master..HEAD

diff --git a/RE b/RE
new file mode 100755 (executable)
index 0000000..03c357d
--- /dev/null
+++ b/RE
@@ -0,0 +1,36 @@
+#!/bin/sh
+# compute relnotes entries
+
+master=${master-master}
+maint=${maint-maint}
+
+tmp=/var/tmp/RE-tmp.$$
+trap 'rm -f "$tmp" "$tmp".*' 0
+
+git rev-list --first-parent --parents --merges --reverse "$@" |
+while read commit before side
+do
+       git cat-file commit $commit >"$tmp"
+       branch=$(sed -ne "s/^Merge branch '\([^']*\)'.*/\1/p" "$tmp")
+
+       sed -e '1,/^Merge branch /d' -e '/^\* /,$d;' "$tmp" |
+       git stripspace -s |
+       sed -e 's/^/   /' -e '1s/^   / * /' >"$tmp.desc"
+
+       if test -s "$tmp.desc"
+       then
+               cat "$tmp.desc"
+       else
+               echo " * [$branch]"
+       fi
+
+       master_count=$(git rev-list ^$master $side | wc -l)
+       maint_count=$(git rev-list ^$maint $side | wc -l)
+       if test "$master_count" = "$maint_count" && test "$maint_count" != 0
+       then
+               Meta/ML "$branch"
+       fi
+
+       echo
+done
+