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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 |