On Mon, 22 Jul 2024 at 22:31, Raymond Mao <raymond....@linaro.org> wrote:
>
> Recently we are introducing multiple git subtree projects and
> it is the right time to have a universal script to update
> various subtrees and replace the dts/update-dts-subtree.sh.
>
> update-subtree.sh is a wrapper of git subtree commands.
>
> Usage: From U-Boot top directory,
> run
> $ ./tools/update-subtree.sh pull <subtree-name> <release-tag>
> for pulling a tag from the upstream.
> Or run
> $ ./tools/update-subtree.sh pick <subtree-name> <commit-id>
> for cherry-pick a commit from the upstream.
>
> Currently <subtree-name> supports dts, mbedtls and lwip.
>
> Signed-off-by: Raymond Mao <raymond....@linaro.org>
> ---
> Changes in v2
> - Refactored the script.
> - Update the control doc.
>
>  doc/develop/devicetree/control.rst |  8 +--
>  dts/update-dts-subtree.sh          | 48 -----------------
>  tools/update-subtree.sh            | 86 ++++++++++++++++++++++++++++++
>  3 files changed, 90 insertions(+), 52 deletions(-)
>  delete mode 100755 dts/update-dts-subtree.sh
>  create mode 100755 tools/update-subtree.sh
>
> diff --git a/doc/develop/devicetree/control.rst 
> b/doc/develop/devicetree/control.rst
> index ca4fb0b5b10..211f7e4909c 100644
> --- a/doc/develop/devicetree/control.rst
> +++ b/doc/develop/devicetree/control.rst
> @@ -96,12 +96,12 @@ sync the `dts/upstream/` subtree from the 
> devicetree-rebasing repo whenever
>  the next branch opens (refer: :doc:`../release_cycle`) with the latest 
> mainline
>  Linux kernel release. To sync the `dts/upstream/` subtree, run::
>
> -    ./dts/update-dts-subtree.sh pull <devicetree-rebasing-release-tag>
> +    ./tools/update-subtree.sh pull dts <devicetree-rebasing-release-tag>
>
>  If required it is also possible to cherry-pick fixes from the
>  devicetree-rebasing repository prior to next sync, usage::
>
> -    ./dts/update-dts-subtree.sh pick <devicetree-rebasing-commit-id>
> +    ./tools/update-subtree.sh pick dts <devicetree-rebasing-commit-id>
>
>
>  Configuration
> @@ -116,8 +116,8 @@ However, if `dts/upstream/` hasn't yet received 
> devicetree source file for your
>  newly added board support then one option is that you can add the 
> corresponding
>  devicetree source file as `arch/<arch>/dts/<name>.dts`. To select that add `#
>  CONFIG_OF_UPSTREAM is not set` and set `DEFAULT_DEVICE_TREE=<name>` when
> -prompted by Kconfig. Another option is that you can use use the "pick" 
> option of
> -`dts/update-dts-subtree.sh` mentioned above to bring in the commits that you
> +prompted by Kconfig. Another option is that you can use the "pick" option of
> +`tools/update-subtree.sh` mentioned above to bring in the commits that you
>  need.
>
>  This should include your CPU or SoC's devicetree file. On top of that any 
> U-Boot
> diff --git a/dts/update-dts-subtree.sh b/dts/update-dts-subtree.sh
> deleted file mode 100755
> index a57b78a41d3..00000000000
> --- a/dts/update-dts-subtree.sh
> +++ /dev/null
> @@ -1,48 +0,0 @@
> -#!/bin/sh
> -# SPDX-License-Identifier: GPL-2.0+
> -#
> -# Copyright 2024 Linaro Ltd.
> -#
> -# Usage: from the top level U-Boot source tree, run:
> -# $ ./dts/update-dts-subtree.sh pull <release-tag>
> -# $ ./dts/update-dts-subtree.sh pick <commit-id>
> -#
> -# The script will pull changes from devicetree-rebasing repo into U-Boot
> -# as a subtree located as <U-Boot>/dts/upstream sub-directory. It will
> -# automatically create a squash/merge commit listing the commits imported.
> -
> -set -e
> -
> -merge_commit_msg=$(cat << EOF
> -Subtree merge tag '$2' of devicetree-rebasing repo [1] into dts/upstream
> -
> -[1] 
> https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git/
> -EOF
> -)
> -
> -remote_add_and_fetch() {
> -    if ! git remote get-url devicetree-rebasing 2>/dev/null
> -    then
> -        echo "Warning: Script automatically adds new git remote via:"
> -        echo "    git remote add devicetree-rebasing \\"
> -        echo "        
> https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git";
> -        git remote add devicetree-rebasing \
> -            
> https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git
> -    fi
> -    git fetch devicetree-rebasing master
> -}
> -
> -if [ "$1" = "pull" ]
> -then
> -    remote_add_and_fetch
> -    git subtree pull --prefix dts/upstream devicetree-rebasing \
> -        "$2" --squash -m "${merge_commit_msg}"
> -elif [ "$1" = "pick" ]
> -then
> -    remote_add_and_fetch
> -    git cherry-pick -x --strategy=subtree -Xsubtree=dts/upstream/ "$2"
> -else
> -    echo "usage: $0 <op> <ref>"
> -    echo "  <op>     pull or pick"
> -    echo "  <ref>    release tag [pull] or commit id [pick]"
> -fi
> diff --git a/tools/update-subtree.sh b/tools/update-subtree.sh
> new file mode 100755
> index 00000000000..5946aa1a9e2
> --- /dev/null
> +++ b/tools/update-subtree.sh
> @@ -0,0 +1,86 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +# Copyright (c) 2024 Linaro Limited
> +# Author: Raymond Mao <raymond....@linaro.org>
> +#
> +# Usage: from the top level U-Boot source tree, run:
> +# $ ./tools/update-subtree.sh pull <subtree-name> <release-tag>
> +# Or:
> +# $ ./tools/update-subtree.sh pick <subtree-name> <commit-id>
> +#
> +# The script will pull changes from subtree repo into U-Boot.
> +# It will automatically create a squash/merge commit listing the commits
> +# imported.
> +
> +set -e
> +
> +print_usage() {
> +    echo "usage: $0 <op> <subtree-name> <ref>"
> +    echo "  <op>           pull or pick"
> +    echo "  <subtree-name> mbedtls or dts or lwip"
> +    echo "  <ref>          release tag [pull] or commit id [pick]"
> +}
> +
> +if [ $# -ne 3 ]; then
> +    print_usage
> +    exit 1
> +fi
> +
> +op=$1
> +subtree_name=$2
> +ref=$3
> +
> +set_params() {
> +    case "$subtree_name" in
> +        mbedtls)
> +            path=lib/mbedtls/external/mbedtls
> +            repo_url=https://github.com/Mbed-TLS/mbedtls.git
> +            remote_name="mbedtls_upstream"
> +            ;;
> +        dts)
> +            path=dts/upstream
> +            
> repo_url=https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git
> +            remote_name="devicetree-rebasing"
> +            ;;
> +        lwip)
> +            path=lib/lwip/lwip
> +            repo_url=https://git.savannah.gnu.org/git/lwip.git
> +            remote_name="lwip_upstream"
> +            ;;
> +        *)
> +            echo "Invalid subtree name: $subtree_name"
> +            print_usage
> +            exit 1
> +    esac
> +}
> +
> +set_params
> +
> +merge_commit_msg=$(cat << EOF
> +Subtree merge tag '$ref' of $subtree_name repo [1] into $path
> +
> +[1] $repo_url
> +EOF
> +)
> +
> +remote_add_and_fetch() {
> +    if [ -z "$(git remote get-url $remote_name 2>/dev/null)" ]; then
> +        echo "Warning: Script automatically adds new git remote via:"
> +        echo "    git remote add $remote_name \\"
> +        echo "        $repo_url"
> +        git remote add $remote_name $repo_url
> +    fi
> +    git fetch $remote_name master
> +}
> +
> +if [ "$op" = "pull" ]; then
> +    remote_add_and_fetch
> +    git subtree pull --prefix $path $remote_name "$ref" --squash -m 
> "$merge_commit_msg"
> +elif [ "$op" = "pick" ]; then
> +    remote_add_and_fetch
> +    git cherry-pick -x --strategy=subtree -Xsubtree=$path/ "$ref"
> +else
> +    print_usage
> +    exit 1
> +fi
> --
> 2.25.1
>


Acked-by: Ilias Apalodimas <ilias.apalodi...@linaro.org>

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