dts/update-dts-subtree.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0+
   3 #
   4 # Copyright 2024 Linaro Ltd.
   5 #
   6 # Usage: from the top level U-Boot source tree, run:
   7 # $ ./dts/update-dts-subtree.sh pull <release-tag>
   8 # $ ./dts/update-dts-subtree.sh pick <commit-id>
   9 #
  10 # The script will pull changes from devicetree-rebasing repo into U-Boot
  11 # as a subtree located as <U-Boot>/dts/upstream sub-directory. It will
  12 # automatically create a squash/merge commit listing the commits imported.
  13
  14 set -e
  15
  16 merge_commit_msg=$(cat << EOF
  17 Subtree merge tag '$2' of devicetree-rebasing repo [1] into dts/upstream
  18
  19 [1] https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git/
  20 EOF
  21 )
  22
  23 remote_add_and_fetch() {
  24     if ! git remote get-url devicetree-rebasing 2>/dev/null
  25     then
  26         echo "Warning: Script automatically adds new git remote via:"
  27         echo "    git remote add devicetree-rebasing \\"
  28         echo "        https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git"
  29         git remote add devicetree-rebasing \
  30             https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git
  31     fi
  32     git fetch devicetree-rebasing master
  33 }
  34
  35 if [ "$1" = "pull" ]
  36 then
  37     remote_add_and_fetch
  38     git subtree pull --prefix dts/upstream devicetree-rebasing \
  39         "$2" --squash -m "${merge_commit_msg}"
  40 elif [ "$1" = "pick" ]
  41 then
  42     remote_add_and_fetch
  43     git cherry-pick -x --strategy=subtree -Xsubtree=dts/upstream/ "$2"
  44 else
  45     echo "usage: $0 <op> <ref>"
  46     echo "  <op>     pull or pick"
  47     echo "  <ref>    release tag [pull] or commit id [pick]"
  48 fi