[Xen-ia64-devel] [PATCH] Add -rc support to sparse-merge

[Aron Griffis <aron@xxxxxx>]

This patch is useful for the effort to port xen to -rcX-gitY versions,
for example to synchronize with Fedora Rawhide kernel releases.

Signed-off-by: Aron Griffis <aron@xxxxxx>

# HG changeset patch
# User agriffis@xxxxxxxxxxxxxxxxx
# Node ID fc8540266bf16d9ef69a57eb920c29ec501b151d
# Parent  2d08d6db792b71be471689f5f2381920c441f1ec
Add -rc support to sparse-merge

diff -r 2d08d6db792b -r fc8540266bf1 xen/arch/ia64/tools/sparse-merge
--- a/xen/arch/ia64/tools/sparse-merge  Mon May 22 15:08:26 2006 -0600
+++ b/xen/arch/ia64/tools/sparse-merge  Mon May 22 21:35:35 2006 -0400
@@ -33,9 +33,17 @@ cd $LINUXPATH || exit 1
 cd $LINUXPATH || exit 1
 OLDCSET=$(hg parents | awk '/^changeset:/{print($2)}' | cut -f 1 -d :)
 for t in $OLDTAG $NEWTAG; do
+    [[ $t == *.* ]] || continue
     if ! hg tags | cut -f1 -d' ' | grep -Fx $t; then
        echo "Tag $t not found, ketching up"
-       hg up -C ${t%.*} || exit 1
+       if [[ $t == *-* ]]; then
+           # rc/pre/git versions start at the previous stable release
+           micro=${t%%-*}; micro=${micro##*.}
+           stable=${t%%-*}; stable=${stable%.*}.$((micro-1))
+           hg up -C $stable
+       else
+           hg up -C ${t%.*} || exit 1
+       fi
        ketchup ${t#v} || exit 1
        hg addremove
        hg ci -m $t

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