Fix changeset banner for source tarballs.

Signed-off-by: Keir Fraser <keir@xensource.com>

diff --git a/xen/Makefile b/xen/Makefile
index 3a6ac70928f3ee2fc40a9cc4021436caf232d359..d3a0bfd04d364f77b2075b1f5dff24b7bac4fb95 100644 (file)
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -95,7 +95,7 @@ include/xen/compile.h: include/xen/compile.h.in include/xen/banner.h
            -e 's/@@version@@/$(XEN_VERSION)/g' \
            -e 's/@@subversion@@/$(XEN_SUBVERSION)/g' \
            -e 's/@@extraversion@@/$(XEN_EXTRAVERSION)/g' \
-           -e 's!@@changeset@@!$(shell (hg parents | awk '{FS="changeset:[ ]+"}/^changeset/{CS=$$2};{FS="date:[ ]+"}/^date/{D=$$2}; END {print D, CS}') 2>/dev/null || (head -n 6 ChangeLog | awk -F: '/^changeset/{CS=$$3};{FS="date:[ ]+"}/^date/{D=$$2}; END {print D, CS}') 2>/dev/null || echo information unavailable)!g' \
+           -e 's!@@changeset@@!$(shell ((hg parents || head -n 7 ../ChangeLog || echo date: unavailable) | awk '{FS="changeset:[ ]+"}/^changeset/{CS=$$2};{FS="date:[ ]+"}/^date/{D=$$2}; END {print D, CS}') 2>/dev/null)!g' \
            < include/xen/compile.h.in > $@.new
        @cat include/xen/banner.h >> $@.new
        @mv -f $@.new $@