1 files changed, 199 insertions, 0 deletions
diff --git a/scripts/rebase.sh b/scripts/rebase.sh
new file mode 100755
index 000000000..fc3157b24
--- /dev/null
+++ b/scripts/rebase.sh
@@ -0,0 +1,199 @@
+#!/bin/bash
+
+if [ ! -f /usr/bin/curl ]; then
+  echo yum install curl
+  exit 0
+fi
+
+# Current kernel bits
+if [ `grep -c ^patch upstream` -ge 1 ]; then
+  export OLD=`grep ^patch upstream | tail -n1 | sed s/patch-// | sed s/\.bz2//`
+else
+  export OLD=`grep linux-2.6 upstream | tail -n1 | sed s/linux-// | sed s/\.tar\.bz2//`
+fi
+export OLDBASE=`echo $OLD | sed s/-/\ /g | sed s/2\.6\.// | awk '{ print $1 }'`
+if [ `echo $OLD | grep -c rc` -ge 1 ]; then
+  export OLDRC=`echo $OLD | sed s/-/\ /g | sed s/rc// | awk '{ print $2 }'`
+  if [ `echo $OLD | grep -c git` -ge 1 ]; then
+    export OLDGIT=`echo $OLD | sed s/-/\ /g | sed s/git// | awk '{ print $3 }'`
+  else
+    export OLDGIT=0
+  fi
+else
+  export OLDRC=0
+  if [ `echo $OLD | grep -c git` -ge 1 ]; then
+    export OLDGIT=`echo $OLD | sed s/-/\ /g | sed s/git// | awk '{ print $2 }'`
+  else
+    export OLDGIT=0
+  fi
+fi
+
+# Is there a new snapshot or prepatch ?
+NEW=`curl -s http://www.kernel.org/kdist/finger_banner | grep "latest snapshot 2.6 version"`
+if [ -z "$NEW" ] ; then
+  NEW=`curl -s http://www.kernel.org/kdist/finger_banner | grep "latest mainline 2.6 version"`
+  if [ -z "$NEW" ] ; then
+    if [ "$OLDRC" -ne 0 ] ; then
+      NEW=`curl -s http://www.kernel.org/kdist/finger_banner | grep "latest stable 2.6." | head -n1`
+    else
+      echo "No new rc or git snapshot of stable branch".
+      exit 0
+    fi
+  fi
+fi
+export N=`echo $NEW | awk '{ print $11 }'`
+if [ -z "$N" ]; then
+  # "Stable version"
+  export NEW=`echo $NEW | awk '{ print $10 }'`
+else
+  export NEW=`echo $NEW | awk '{ print $11 }'`
+fi
+
+export NEWBASE=`echo $NEW | sed s/-/\ /g | sed s/2\.6\.// | awk '{ print $1 }'`
+if [ `echo $NEW | grep -c rc` -ge 1 ]; then
+  export NEWRC=`echo $NEW | sed s/-/\ /g | sed s/rc// | awk '{ print $2 }'`
+  if [ `echo $NEW | grep -c git` -ge 1 ]; then
+    export NEWGIT=`echo $NEW | sed s/-/\ /g | sed s/git// | awk '{ print $3 }'`
+  else
+    export NEWGIT=0
+  fi
+else
+  export NEWRC=0
+  if [ `echo $NEW | grep -c git` -ge 1 ]; then
+    export NEWGIT=`echo $NEW | sed s/-/\ /g | sed s/git// | awk '{ print $2 }'`
+  else
+    export NEWGIT=0
+  fi
+fi
+
+echo "OLD kernel was $OLD  BASE=$OLDBASE RC=$OLDRC GIT=$OLDGIT"
+echo "NEW kernel is  $NEW  BASE=$NEWBASE RC=$NEWRC GIT=$NEWGIT"
+
+if [ "$OLDRC" -eq 0 -a "$OLDGIT" -eq 0 -a "$OLDGIT" -ne "$NEWGIT" ]; then
+  echo "Rebasing from a stable release to a new git snapshot"
+  perl -p -i -e 's/^%define\ released_kernel\ 1/\%define\ released_kernel\ 0/' kernel.spec
+  perl -p -i -e 's/^%define\ rawhide_skip_docs\ 1/\%define\ rawhide_skip_docs\ 0/' kernel.spec
+  # force these to zero in this case, they may not have been when we rebased to stable
+  perl -p -i -e 's/^%define\ rcrev.*/\%define\ rcrev\ 0/' kernel.spec
+  perl -p -i -e 's/^%define\ gitrev.*/\%define\ gitrev\ 0/' kernel.spec
+fi
+
+# make sure we build docs at least once per -rc kernel, shut it off otherwise
+if [ "$OLDRC" -ne 0 -a "$NEWRC" -gt "$OLDRC" ]; then
+  perl -p -i -e 's/^%define\ rawhide_skip_docs\ 1/\%define\ rawhide_skip_docs\ 0/' kernel.spec
+else
+  if [ "$NEWRC" -eq "$OLDRC" -a "$NEWGIT" -gt "$OLDGIT" ]; then
+    # common case, same -rc, new -git, make sure docs are off.
+    perl -p -i -e 's/^%define\ rawhide_skip_docs\ 0/\%define\ rawhide_skip_docs\ 1/' kernel.spec
+  fi
+fi
+
+if [ "$NEWRC" -eq 0 -a "$NEWGIT" -eq 0 ]; then
+  echo "Rebasing from -rc to final release."
+  perl -p -i -e 's/^%define\ released_kernel\ 0/\%define\ released_kernel\ 1/' kernel.spec
+  perl -p -i -e 's/^%define\ rawhide_skip_docs\ 1/\%define\ rawhide_skip_docs\ 0/' kernel.spec
+  export OLD_TARBALL_BASE=$(($OLDBASE-1))
+  perl -p -i -e 's/^%define\ base_sublevel\ $ENV{OLD_TARBALL_BASE}/%define\ base_sublevel\ $ENV{NEWBASE}/' kernel.spec
+  perl -p -i -e 's/^%define\ rcrev.*/\%define\ rcrev\ 0/' kernel.spec
+  perl -p -i -e 's/^%define\ gitrev.*/\%define\ gitrev\ 0/' kernel.spec
+
+  grep -v kernel-2.6.$OLD_TARBALL_BASE .cvsignore >.cvsignore.tmp ; mv .cvsignore.tmp .cvsignore
+  echo kernel-2.6.$NEWBASE >> .cvsignore
+
+  for i in upstream sources .cvsignore
+  do
+   grep -v linux-2.6.$OLD_TARBALL_BASE.tar.bz2 $i > .$i.tmp; mv .$i.tmp $i
+   grep -v patch-2.6.$OLDBASE-rc$OLDRC.bz2 $i > .$i.tmp; mv .$i.tmp $i
+   grep -v patch-2.6.$OLDBASE-rc$OLDRC-git$OLDGIT.bz2 $i > .$i.tmp; mv .$i.tmp $i
+  done
+
+  echo linux-2.6.$NEWBASE.tar.bz2 >> upstream
+
+  rm -f linux-2.6.$OLD_TARBALL_BASE.tar.bz2
+  rm -f linux-2.6.$OLD_TARBALL_BASE.tar.bz2.sign
+  rm -f patch-2.6.$OLDBASE-rc$OLDRC.bz2
+  rm -f patch-2.6.$OLDBASE-rc$OLDRC.bz2.sign
+  rm -f patch-2.6.$OLDBASE-rc$OLDRC-git$OLDGIT.bz2
+  rm -f patch-2.6.$OLDBASE-rc$OLDRC-git$OLDGIT.bz2.sign
+
+  cvs remove linux-2.6.$OLD_TARBALL_BASE.tar.bz2.sign
+  cvs remove patch-2.6.$OLDBASE-rc$OLDRC.bz2.sign
+  cvs remove patch-2.6.$OLDBASE-rc$OLDRC-git$OLDGIT.bz2.sign
+
+  make download
+  make upload FILES=linux-$NEW.tar.bz2
+
+  cvs add linux-$NEW.tar.bz2.sign
+
+  bumpspecfile.py kernel.spec "- $NEW"
+  make clog
+  echo FIXME! Fix up fedora_cvs_origin
+  make verrel
+  exit 1
+fi
+
+if [ "$OLDRC" != "$NEWRC" ]; then
+  echo "Different rc. Rebasing from $OLDRC to $NEWRC"
+  perl -p -i -e 's/^%define\ rcrev.*/\%define\ rcrev\ $ENV{"NEWRC"}/' kernel.spec
+  perl -p -i -e 's/$ENV{OLDBASE}-rc$ENV{OLDRC}.bz2/$ENV{NEWBASE}-rc$ENV{NEWRC}.bz2/' .cvsignore
+  perl -p -i -e 's/$ENV{OLDBASE}-rc$ENV{OLDRC}.bz2/$ENV{NEWBASE}-rc$ENV{NEWRC}.bz2/' upstream
+  grep -v patch-2.6.$OLDBASE-rc$OLDRC.bz2 sources > .sources.tmp; mv .sources.tmp sources
+  grep -v patch-2.6.$OLDBASE-rc$OLDRC-git$OLDGIT.bz2 .cvsignore >.cvsignore.tmp ; mv .cvsignore.tmp .cvsignore
+  if [ `grep -c patch-2.6.$NEWBASE-rc$NEWRC.bz2 upstream` -eq 0 ]; then
+    echo patch-2.6.$NEWBASE-rc$NEWRC.bz2 >> .cvsignore
+    echo patch-2.6.$NEWBASE-rc$NEWRC.bz2 >> upstream
+  fi
+  rm -f patch-2.6.$OLDBASE-rc$OLDRC.bz2
+  rm -f patch-2.6.$OLDBASE-rc$OLDRC.bz2.sign
+  cvs remove patch-2.6.$OLDBASE-rc$OLDRC.bz2.sign
+  make download
+  make upload FILES=patch-2.6.$NEWBASE-rc$NEWRC.bz2
+  cvs add patch-2.6.$NEWBASE-rc$NEWRC.bz2.sign
+
+  # Another awkward (albeit unlikely) corner case.
+  # Moving from say 26-rc3-git1 to 26-rc4-git1
+  # The above will grab the new -rc, but the below will
+  # think that the -git hasn't changed.
+  # Fudge around this, by pretending the old git was something crazy.
+  OLDGIT=99
+fi
+
+if [ "$OLDGIT" != "$NEWGIT" ]; then
+  if [ "$OLDRC" -eq 0 -a "$OLDGIT" -eq 0 ]; then
+    echo "Rebasing to pre-rc git$NEWGIT"
+  else
+    echo "Different git. Rebasing from git$OLDGIT to git$NEWGIT"
+  fi
+  perl -p -i -e 's/^%define\ gitrev.*/\%define\ gitrev\ $ENV{"NEWGIT"}/' kernel.spec
+  if [ "$OLDGIT" -ne 0 ]; then
+    if [ "$NEWGIT" -ne 0 ]; then
+      perl -p -i -e 's/$ENV{OLD}/$ENV{NEW}/' .cvsignore
+      perl -p -i -e 's/$ENV{OLD}/$ENV{NEW}/' upstream
+    fi
+    grep -v patch-$OLD.bz2 sources > .sources.tmp; mv .sources.tmp sources
+    grep -v patch-$OLD.bz2 upstream > .upstream.tmp; mv .upstream.tmp upstream
+  else
+    echo patch-$NEW.bz2 >> .cvsignore
+    echo patch-$NEW.bz2 >> upstream
+  fi
+
+  make download
+  make upload FILES=patch-$NEW.bz2
+
+  cvs add patch-$NEW.bz2.sign
+  if [ "$OLDGIT" -ne 0 ]; then
+    rm -f patch-$OLD.bz2
+    rm -f patch-$OLD.bz2.sign
+    cvs remove patch-$OLD.bz2.sign
+  fi
+fi
+
+if [ "$OLDRC" != "$NEWRC" -o "$OLDGIT" != "$NEWGIT" ]; then
+  perl -p -i -e 's|^ApplyPatch\ git-linus.diff|#ApplyPatch\ git-linus.diff|' kernel.spec
+  > git-linus.diff
+  bumpspecfile.py kernel.spec "- $NEW"
+  make clog
+  exit 1
+else
+  exit 0
+fi