[PATCH 8/8] dim: Split out drm-nightly.git

[Daniel Vetter]

This is a prep step to eventually split out the drm-misc branches all
into their own repo. To get there we first need to split out the
integration tree mangling.

Since dim doesn't auto-update and since the transition is a good
reason to switch over to worktrees and it's tricky it's not scripted.
The following needs to be done when dim rebuild-nightly fails:

- Make sure you have the latest dim version.

- Good to also check you have a recent-ish git. Latest dim supports
  git worktree to save on disk space needed for .git metadata. It's
  much more robust than the git alternates storage trick we've used
  thus far. Note that git worktree is still optional (but that's not a
  recommended setup).

- Delete $DIM_PREFIX/{drm-intel-rerere,drm-intel-nightly,maintainer-tools}
  It's not strictly needed to kill the maintainer-tools checkout too,
  but might as well switch it over to git worktree too.

- Make sure you don't have any branches left over for drm-intel-rerere
  and drm-intel-nightly anywhere (since they need to switch their
  remotes).

- run dim setup and enjoy the new awesomeness.

If it breaks, I'm guilty ;-)

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 dim | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/dim b/dim
index 92841b046c2c..d8f8a87b95c2 100755
--- a/dim
+++ b/dim
@@ -78,6 +78,7 @@ dim=$(basename $0)
 today=`date +%Y-%m-%d`
 
 drm_intel_ssh=ssh://git.freedesktop.org/git/drm-intel
+drm_nightly_ssh=ssh://git.freedesktop.org/git/drm-nightly
 drm_intel_git=git://anongit.freedesktop.org/drm-intel
 drm_upstream_git=git://people.freedesktop.org/~airlied/linux
 linux_upstream_git=git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
@@ -506,6 +507,8 @@ function dim_apply_next_fixes
 
 function dim_cherry_pick
 {
+	local nightly_remote=`get_remote_name $drm_nightly_ssh`
+
 	if [[ "x$1" = "x" ]]; then
 		echo "usage: $dim $subcommand commit-ish"
 		exit 1
@@ -514,9 +517,9 @@ function dim_cherry_pick
 	sha_short=${sha:0:8}
 
 	# need latest -nightly
-	git fetch $DIM_DRM_INTEL_REMOTE
+	git fetch $nightly_remote
 	echo Possible fixup patches for your cherry-pick:
-	git log --grep=$sha_short --pretty=oneline $sha..$DIM_DRM_INTEL_REMOTE/drm-intel-nightly
+	git log --grep=$sha_short --pretty=oneline $sha..$nightly_remote/drm-intel-nightly
 	$DRY git cherry-pick -s -x -e $1
 }
 
@@ -885,15 +888,17 @@ function dim_for_each_workdirs
 
 function dim_update_next
 {
+	local nightly_remote=`get_remote_name $drm_nightly_ssh`
+
 	assert_branch drm-intel-next-queued
 
 	git pull --ff-only
 
-	if ! git branch --merged $DIM_DRM_INTEL_REMOTE/drm-intel-nightly | grep drm-intel-fixes &> /dev/null ; then
+	if ! git branch --merged $nightly_remote/drm-intel-nightly | grep drm-intel-fixes &> /dev/null ; then
 		echo "drm-intel-fixes not merged into -nigthly, please update!"
 		exit 2
 	fi
-	if ! git branch --merged $DIM_DRM_INTEL_REMOTE/drm-intel-nightly | grep drm-intel-next-queued &> /dev/null ; then
+	if ! git branch --merged $nightly_remote/drm-intel-nightly | grep drm-intel-next-queued &> /dev/null ; then
 		echo "drm-intel-next-queued not merged into -nigthly, please update!"
 		exit 2
 	fi
@@ -915,6 +920,8 @@ function dim_update_next
 
 function dim_update_next_continue
 {
+	local nightly_remote=`get_remote_name $drm_nightly_ssh`
+
 	assert_branch drm-intel-next-queued
 
 	git push $DRY_RUN -f $DIM_DRM_INTEL_REMOTE drm-intel-next-queued:drm-intel-next
@@ -923,7 +930,7 @@ function dim_update_next_continue
 	git push $DRY_RUN -f $DIM_DRM_INTEL_REMOTE $tag
 
 	echo "Updating -testing to latest -nightly"
-	git push $DRY_RUN $DIM_DRM_INTEL_REMOTE +$DIM_DRM_INTEL_REMOTE/drm-intel-nightly:drm-intel-testing
+	git push $DRY_RUN $DIM_DRM_INTEL_REMOTE +$nightly_remote/drm-intel-nightly:drm-intel-testing
 	$DRY git tag -f drm-intel-testing-$today $DIM_DRM_INTEL_REMOTE/drm-intel-testing
 	$DRY git push -f $DIM_DRM_INTEL_REMOTE drm-intel-testing-$today
 
@@ -1129,15 +1136,16 @@ function dim_setup
 	# check remote configuration
 	remote=`get_remote_name $linux_upstream_git`
 	remote=`get_remote_name $drm_intel_ssh`
+	remote=`get_remote_name $drm_nightly_ssh`
 	remote=`get_remote_name $drm_upstream_git`
 
 	cd ..
 
 	setup_aux_checkout maintainer-tools $drm_intel_ssh maintainer-tools
 
-	setup_aux_checkout rerere-cache $drm_intel_ssh drm-intel-rerere
+	setup_aux_checkout rerere-cache $drm_nightly_ssh drm-intel-rerere
 
-	setup_aux_checkout drm-intel-nightly $drm_intel_ssh drm-intel-nightly
+	setup_aux_checkout drm-intel-nightly $drm_nightly_ssh drm-intel-nightly
 	cd drm-intel-nightly
 	if git remote | grep drm-upstream > /dev/null ; then
 		git config remote.drm-upstream.url $drm_upstream_git
-- 
2.9.3