Yocto devtool patches yoctoproject. ctrl + shift + ? More information and devtool and the eSDK in Yocto's Application Development and the Extensible SDK (eSDK) Once the workspace is set up, it will appear in the left panel. bbappend as follow: Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-Share Alike 2. 0 . com> To: docs@lists. Follow these steps to prepare to update the kernel image using devtool. patch NOTE: Updating recipe u-boot_2016. kjellerstedt@>: * `devtool modify -w <some simple package>` (adding new patches), but use devtool finish to save changes to a diffferent layer? AlexWhen I said "I started over" above, that included removing the Step-4 Execute 'git add <file>' , 'git commit -m <message>', and 'git format-patch -1' to add a file and create a git format patch file for your changes. So the patches would include the In addition to the functionality available through devtool, you can alternatively make use of the toolchain directly, for example from Makefile and Autotools. SRC_URI_remove_pn-linux-imx = " file://*. decodeurl errors. in any case you need to either start the repo or create a new quilt patch before modifying the files. How to eliminate patch fuzz warnings. 5 release with the glibc version 2. bbappend manually, commit some changes to the source code you've got via devtool, run update-recipe, remove any reference to the patch file in your newly created recipe. To report any inaccuracies or problems with this (or any other Yocto Project) manual, or to send additions or changes, please send email/patches to the Yocto Project I've been using "devtool modify/update-recipe" in order to generate patches in bbappends in my layer. 2. conf, and not touch any . Placing the patch here guarantees that the OpenEmbedded build system will find the patch. 8 there is a handy thing called devtool (Yocto Mega Manual: devtool) and it simplifies working with temporary sources a lot. 4. Completing this procedure leaves you with a clean kernel image and The edit-compile-test loop is the quickest way so can test your changes. Cancel Yes × 7 devtool Quick Reference . For more information on how to apply Yocto DevTool. The extensible SDK makes it easy to add new applications and libraries to an image, modify the source for an existing component, test changes on the target The devtool utility can help you modify the sources for a recipe and create a patch - basically devtool modify, edit the sources, commit the changes with git commit, then devtool finish (or devtool update-recipe in versions older than 2. 27 and would like to upgrade it to v2. Upatched point Yocto provides a tool/utility 'devtool' which allows you to make changes in the source code of a particular recipe, it creates a patch as well as bbappend file for us. Share. You may edit the sources and generate patches in your Do you get the same failure if you try devtool modify in a plain yocto environment (not the SDK)? Alex. Next, add the patch into the SRC_URI of the recipe. patch. So is there a way to do this in local. . As in, a file referenced in SRC_URI that isn't the source code but more like a configuration file or init script. am That should solve your problem. For more information on how to apply the command when using the 7 devtool Quick Reference . 11. The devtool modify command extracts the source for a recipe, sets it up as a Git repository if the source had not already been fetched from Git, checks out a branch for development, and applies any patches from the recipe as commits on top. PATCHTOOL = "git" in your recipe, so that Yocto automatically applies it using "git am". I tried with devtool almost On Tue, 2023-06-13 at 12:56 +0000, Charlie Wu via lists. Features ¶ Features are complex kernel Metadata types that consist of configuration fragments, patches, and possibly other feature ${YOCTO_ROOTDIR} 直下の tmp/work または tmp/work-shared に展開されたソースコードがあるのでそれを直接編集しています。 その後、bitbake コマンドに -f をつけることで強制的に指定したパッケージに対してコンパイルし直しています。 ただし、この方法はちょっとしたお試しでやるにはいいですが One of my patches was made manually, which means not in branch, xlnx_rebase_v5. For more information on how to apply And then use git to make patches. But many patch files added in linux-imx_xxx. The extensible SDK provides a cross-development toolchain and libraries tailored to devtool build u-boot. Peter Kjellerstedt. Upstream-Status: Inappropriate Upstream-Status は、Yocto プロジェクトのパッチファイルに含めるメタデータフィールドで、パッチの上流（オリジナルのプロジェクト）へのステータスを示し Yocto Project Wiki: The Yocto Project Wiki provides additional information on where to go next when ramping up with the Yocto Project, release information, project planning, and QA information. Go to the package's source code folder and edit your files. 1) is definitely better for the community so I encourage you to try it ;) 7 devtool Quick Reference . Look at this answer I wrote some days ago. g. Of course the same commit as the one used by Yocto Patch the source code with the already I have a set of kernel patches. iso-codes: upgrade to 4. This patch is a simple bulk move, except for the following: - Intro added to the devtool. patch" while applying Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. For more information on how to apply I am trying to create a patch file for u-boot file and apply it to u-boot recipe in Yocto for my Avenger96 embedded board. use git format-patch to create a patch file and then add the patch file into . And the last remark: if you're using Yocto release >= 1. Hence, when working with the devtool Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. 2. Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. One time setup: devtool Finish Your Work With the Recipe: The devtool finish command creates any patches corresponding to commits in the local Git repository, moves the new recipe to a more If you're finished working on the recipe, run devtool reset <recipename>. 0. These all patch nicely and I have a clean Yocto Krogoth build that I use. bbappend) file. e. Add the patch file to your directory: To do so create a folder called linux-xlnx next to you recipe. There are several mailing lists 1 Introduction 1. If there's a large number of patches, it might make sense to fork the upstream Hi Michael, On Wed, Sep 15, 2021 at 12:12:17PM +0200, Michael Opdenacker wrote: - Mention "devtool latest-version recipe" to process a single version * the extractPatches function now extracts patch for the main repo and for all submodules and stores them in a hierarchical way describing the submodule path * store initial_rev/commit also for all submodules inside the recipe bbappend file * _export_patches now returns dictionaries that contains the 'patchdir' parameter (if any). + Using ``devtool build``, ``devtool build-image``, + The problem is related to task do_patch() executed by BitBake which in Yocto is a tasks scheduler and executor. 1 Why use the Extensible SDK and What is in It? . First, unpack the source into devtool workspace: devtool modify <recipe> This will apply all the patches, and create new commits out of them in the workspace - with the patch context updated. bb and For building Linux outside of Yocto source tree, The patches added to the linux-mtk recipe will be applied when bitbake linux-mtk is run but will not be applied after devtool modify linux-mtk. 2 which grearly simplifies this task. bbappend and . bbappend to the recipe in your own layer, in which you add SRC_URI += "file://mypatch1. This devtool workflow (and a couple of others) are described in the manual for the eSDK: 2. Completing this procedure leaves you with a clean kernel image and Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. That definitely works. This manual describes how to set up your build host to support kernel development, introduces the kernel development process, provides background information on the Yocto Linux kernel Metadata, describes common tasks you can Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-Share Alike 2. For more information on how to apply Copy the Patch File: For simplicity, copy the patch file into a directory named files, which you can create in the same directory that holds the recipe (. 9,011 1 [PATCH v2] sdk-manual: extensible. Completing this procedure leaves you with a clean kernel image and How can I instruct Yocto to use our own defconfig and . Anders Anders. Completing this procedure leaves you with a clean kernel image and I'm currently using Yocto Sumo 2. Compile that particular package, e. For more information on how to apply to navigate to use esc to dismiss. 8 devtool Quick Reference . Here is copies all the patch files from the metadata layer into ${WORKDIR} do_fix_patch (my additional task) uses sed or patch to apply a local fix to a broken patch in ${WORKDIR} do_patch creates a subdirectory in ${S} called "patches", and puts links to the actual files in the layer and uses those links back to the layer files to apply the patches. The devtool publish command first appeared in Yocto 2. what I can see on the patch, this does a bitbake -c clean <recipename>, right? Are you sure you wish to delete this message from the message archives of yocto@lists. When devtool modify fails to apply the patches, one way to update the patches is: Remove the patches which no longer apply from SRC_URI; Run devtool modify <recipe> as If you want to conveniently add a patch to a recipe, use devtool's devtool modify <recipename>. Skip patches not in oe-core by full path. conf is messed up. With the help of this tool, you may create, test, and package Now we move over the recipe we created, along with the patch for the source code. 15_LTS, but temporal branch, "devtool". The general idea is to: 8 devtool Quick Reference . With devtool (modify and finish commands), I could apply patches sucessfully by specified each single patch with its file name, like: ===== FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" SRC_URI += "\ file://0001-xxx-xxx-xxx. For more information on how to apply Kernel patches and custom kernel configuration can be changed by modifying linux-mtk_<version>. If some patches are missing, just git am/apply them (this is likely because your bblayers. patch files in your layer only if you have commited any changes to the source directory. Meaning that by going through the workspace I am unable to create a patch on these patch files. I did my work in 3 distinct and commitable steps, resulting in 3 patch files in my layer when I ran 'devtool finish'. 2 and later $ devtool finish bbexample meta-example This will create a recipes folder called recipes-bbexample, with a recipe called bbexample_git. Additionally, the $ devtool finish linux-yocto ~/meta-mylayer For information on how to create patches, see the "Using devtool to Patch the Kernel" and "Using Traditional Kernel Development to Patch the Kernel" sections. bb in it. You can specify. As a pre-requisite, the project needs to have its own layer to track the patches. lttng-modules: fix 5. patch; Reference the patch file in the . patch \ file://mypatch2. Information covers the pieces of the SDK, how to install it, and presents a look at using the devtool functionality. Use the devtool command as explained by the warning. Yocto supports various patch formats, refer here for more details. linux-yocto: prepend the value with a space when append to KERNEL_EXTRA_ARGS. Post by Peter Kjellerstedt * `devtool modify -w <some simple package>` * Modify some file, e. If you make changes in configuration using bitbake -c menuconfig virtual/kernel, or other way, put it directly in kernel . Suppose you have a requirement of customizing an existing sources for a recipe, devtool will be the best option to go, as it will do all the steps devtool – why it exists • Our build system is great for repeatable builds from source • Working with the source itself was hard • Tempting to just edit sources under tmp/work/ But workflow is Follow these steps to prepare to update the kernel image using devtool. In addition to the functionality available through devtool, you can alternatively make use of the toolchain directly, for example from Makefile and Autotools. For more information on how to With "devtool modify u-boot-x" it should add the patches of all the included layers, in order of priority (see conf/layers. bb files defined in official meta-fsl-* layers. This command exposes the bitbake clean facility through devtool, Is there a way to keep the source code of a package to be able to modify it and then compile? Despite all these “limitations”, devtool upgrade updates the recipe file to the new upstream version and attempts to rebase custom patches contained by the recipe as needed. All Messages By This Member #49640 toggle quoted The patch you have is for the yocto/poky sources themselves (as opposed to the more usual case of having patches for the actual components that yocto builds and bbappends that modify recipes in other layers somehow). patch \ " 7 devtool Quick Reference . 3. Using. EDIT: devtool build u-boot. I have a yocto recipe to compile a code from github. For more information on how to apply the command when using the 下面将分步介绍在Yocto Project中如何向linux内核源代码打patch。其中一个原则是不修改Yocto目前已有的层。因此我们需要创建一个层来实现对Linux Kernel打patch的工作，这样即使Yocto Linux Kernel在以后的版本中出现变更也不会影响到我们自己创建的层。 In addition to the functionality available through devtool, you can alternatively make use of the toolchain directly, for example from Makefile and Autotools. fetch2. Non-patch files are copied to an ``oe-local-files`` folder + under the newly created source tree. lttng-modules: fix # 作業用レシピを作る $ devtool add <リポジトリURL> -B <branch名> # yourpatch. Use devtool command as explained by the warning. 3. Using devtool in Yocto to patch/customize recipe/p 7 devtool Quick Reference . bb and out custom kernel have patched. petazzoni@bootlin. 3 Working with Advanced Metadata (yocto-kernel-cache) 3. Hot Network Questions Optimizing Image Processing in OpenCV: Using cv::Mat with It works. Additionally, however, devtool add sets up an environment that makes it easy for you to patch the source and to make changes to the recipe as is often necessary when adding a recipe to build a new piece of Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. bbappend. Search. I am Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. 1. There are several mailing lists It contains devtool which gives you an easy way of getting the kernel source your target is using (if using linux-yocto or linux-intel) devtool will also automatically create patches for your kernel updates and add them to the the kernel recipe; There are two separate steps to this process Build or download an eSDK for your platform Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. For more information on how to apply the command when using the Use the devtool modify command to begin modifying the source of an existing recipe. dts from within a custom layer, which avoids having to modify the normal open-source layers provided? I believe that it might involve adding a . conf of each layer). To report any inaccuracies or problems with this (or any other Yocto Project) manual, or to send additions or changes, please send email/patches to the Yocto Project Maybe we shouldn't do devtool rebase operations in the first place and prompt the user with some meaningful message? Something like "Devtool patch task failed, some of the patches can't be applied with 'git am', resolve the conflicts with 'git am --resolved'"devtool is something completely separate from these scripts and appeared over a decade If your question is about permanent changes, then Dan's answer is the one to follow. The Yocto wiki also has a guide on it. Completing this procedure leaves you with a clean kernel image and * once tested, git format-patch to extract patches that can be used in your recipe It's hard to tell for sure which one will be shorter for you. See here for more details. Completing this procedure leaves you with a clean kernel image and ready to make modifications as described Devtool is applying patches as commits within 'devtool' branch so patch files are required to contain at least "Subject: commit message" at the beginning of file. The devtool command-line tool provides a number of features that help you build, test, and package software. First, unpack the source into devtool workspace: see the “ Patch Upstream Status ” section in the Yocto Project and OpenEmbedded Contributor Guide. ctrl + shift + ? Add an idiomatic way to devtool to clean a recipe. The remainder of this section provides information for both scenarios. 2 Using the Extensible SDK . Toggle sidebar RidgeRun Developer Wiki. By that patch, when I do "petalinux-devtool modify", the source branch in workspace/sources was not in xlnx_rebase_v5. 19+ build. For more information on how to apply This check looks for evidence of “fuzz” when applying patches within the do_patch task. 2). Deploy, e. Completing this procedure leaves you with a clean kernel image and I also tried to search some explanation why sdk/layers is one git repo (instead of having the layers under esdk/layers cloned as separate git repos - as it actually works when you use devtool under yocto build system) or why devtool finish does create bbappend (and doesn't simply update the recipe) when the layer you want to update isn't the From: Antonin Godard <antonin. And within this folder create your patch file by copying the content you have in something like my-xlnx-patch. 1 Getting Ready to Develop Using devtool . For more information on how to Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-Share Alike 2. org wrote: devtool crashes when running "update-recipe" and append changes on the recipe. Features ¶ Features are complex kernel Metadata types that consist of configuration fragments, patches, and possibly other feature If the build is successful, you can generate the yocto image, by running: "devtool build-image core-image-minimal" After you test your image, by flashing on the hardware and found everything is working as per your requirement, you can instruct devtool to add the patches to your own layer; git status; git add <files> In this video, we dive deep into the powerful 'modify' subcommand, empowering you to make seamless modifications to your recipes with ease! In this video, we Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-Share Alike 2. Here you will find useful tools such as repo, devtool, devshell or Yocto SDK that will help you and make things easier during the Yocto development process. The extensible SDK provides a cross-development toolchain and libraries tailored to the contents devtool/upgrade: catch bb. The workflow above is the "Right" option. -- 8 devtool Quick Reference . Here is +script based workflow (see :ref:`running_the_ext_sdk_env`) provided by Yocto's +SDK or eSDK: + +- The source code of the recipe is in the workspace created by + ``devtool modify`` or ``devtool add``. Completing this procedure leaves you with a clean kernel image and I used 'devtool modify' to create a working copy of the vendor's u-boot and copied & modified files to add support for my custom board. The steps are basically the same. * Commit it with subject "Change 1" Subject: Re: [yocto] devtool finish & patch order 2018-06-15 2:11 GMT+03:00 Peter Kjellerstedt <peter. This chapter describes the extensible SDK and how to install it. 2 Use devtool modify to Modify the Source of an Existing Component. Completing this procedure leaves you with a clean kernel image and . I. , add some comment to the Makefile. Basic process. All Messages By This Member #6142 The devtool ide-sdk section is reformulated to be independent of the eSDK installer. Insert the SD card into your host, and The devtool command-line tool provides a number of features that help you build, test, and package software. toggle quoted message Show quoted text On Tue, 2 Does someone want to send a patch? Cheers, Richard. For more information on how to apply I'm trying to apply patches to source code of linux kernel. 15_LTS. add a <recipe name>. Keyboard Shortcuts. Cheers Antonin-- Antonin Godard, Bootlin If using devtool update-recipe to create a patch any way, then do devtool reset and use bitbake to build the kernel image, the result is the same (the kernel image uses original defconfig). [YOCTO #13417] devtool is not directly tied to the Extensible SDK anymore, and instructions in there can be split and added to the development manual. bbappend file to something like meta-xxx/recipes-kernel/linux, but I am not at all sure what to put into it. 28. Additionally, the devtool command is a key part of the extensible SDK. Follow answered Sep 4, 2017 at 10:25. Additionally, the devtool command 8 devtool Quick Reference . Yocto Project Mailing Lists: Related mailing lists provide a forum for discussion, patch submission and announcements. Improve this answer. am +++ b/Makefile. I recently started looking at using devtool for modifying recipes. The extensible SDK provides a cross-development toolchain and libraries tailored to the contents update-recipe creates a proper directory tree with . Completing this procedure leaves you with a clean kernel image and Hi i am currently understanding devtool work flow with --no-patch command, i was able to use with recipes having only src_uri to repo url only, where has other recipes with Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. org Cc: Thomas Petazzoni <thomas. patch \ file://0002-xxx-xxx-xxx. bbappend: Indicate the file path in your linux-xlnx_%. I modified some files and want to apply a patch to code fetched from github. bb) file or the append (. This command is available alongside the bitbake command. 4. The devtool add command uses the same logic for auto-creating the recipe as recipetool create, which is listed below. Yocto 2. This chapter provides a Quick Reference for the devtool command. In addition to supporting configuration fragments and patches, the Yocto Project kernel tools also support rich Metadata that you can use to define complex policies and Board Support Package (BSP) support. What is the correct way to create a patch for an already existing patch in a Despite all these “limitations”, devtool upgrade updates the recipe file to the new upstream version and attempts to rebase custom patches contained by the recipe as needed. It will create patch from each commit and automatically add them to appropriate directory and recipe file. bitbake linux-imx -c compile -f 3. Completing this procedure leaves you with a clean kernel image and In addition to the functionality available through devtool, you can alternatively make use of the toolchain directly, for example from Makefile and Autotools. The extensible SDK provides a cross-development toolchain and libraries tailored to the contents 7 devtool Quick Reference . Then, replace the patches in the recipe layer: devtool finish --force-patch-refresh <recipe> <layer_path> $ devtool finish linux-yocto ~/meta-mylayer For information on how to create patches, see the "Using devtool to Patch the Kernel" and "Using Traditional Kernel Development to Patch the Kernel" sections. patch" But this doesn't work. This is just one of the things that devtool can do - it provides some powerful tools to help you maintain Using devtool to modify recipes in Yocto. conf? Yocto by default uses quilt when no patch tool is specified. You can add some commits inside `u-boot-devtool` directory and update recipe with: devtool update-recipe u-boot. It's been handy for the small changes I've made so far. To report any inaccuracies or problems with this (or any other Yocto Project) manual, or to send additions or changes, please send email/patches to the Yocto Project The power of Yocto is precisely that it makes it relatively straightforward to patch any existing recipes, without requiring write access to the upstream project source code or Yocto layer. bb. 0 UK: England & Wales as published by Creative Commons. Completing this procedure leaves you with a clean kernel image and At some point devtool started printing to stderr, which means patch rebase issues weren't anymore correctly caught, and bogus updates were being sent out. Note that the eSDK is not required to use devtool, it just happens to be the eSDK section of the docs that best describes devtool modify. Completing this procedure leaves you with a clean kernel image and 8 devtool Quick Reference . devtool modify virtual/kernel will create a working copy in build/workspace where you can do the work you want The devtool command-line tool provides a number of features that help you build, test, and package software. I will rebase my devtool patches on yours, and resend this week. Follow answered Nov 21, 2019 at 11:35. Additionally, the devtool command 7 devtool Quick Reference . In fact, ide-sdk does not even support the execution -When using a SDK directly in a Yocto build, you will find the script in devtool build u-boot. + The devtool command-line tool provides a number of features that help you build, test, and package software. I want to make some changes in the config file of u-boot and create a patch and add it to yocto recipe for u-boot. When using devtool in the context of an eSDK there is no direct access to bitbake. Features ¶ Features are complex kernel Metadata types that consist of configuration fragments, patches, and possibly other feature Copy the Patch File: For simplicity, copy the patch file into a directory named files, which you can create in the same directory that holds the recipe (. Yocto Project Wiki: The Yocto Project Wiki provides additional information on where to go next when ramping up with the Yocto Project, release information, project planning, and QA information. Subject: Re: [yocto] devtool finish & patch order 2018-06-15 2:11 GMT+03:00 Peter Kjellerstedt. 7 devtool Quick Reference . See the “ Using the SDK Toolchain Directly ” chapter for more information. 5. To report any inaccuracies or problems with this (or any other Yocto Project) manual, or to send additions or changes, please send email/patches to the Yocto Project to navigate to use esc to dismiss. For more information on how to apply Yocto provides a tool/utility 'devtool' which allows you to make changes in the source code of a particular recipe, it creates a patch as well as bbappend file for us. bbappend file as you did. It just says: can't find file to patch. NOTE: This functionality will start adding an extra line to the patch's description like "%%original patch: 0001-Stopping-DHCP-server-giving-new-serverip. When I try to use it to modify my kernel recipe though the patches all fail. I want to patch a local source file. For more information on how to apply 7 devtool Quick Reference . For example: NOTE: Adding new patch 0001-test. godard@bootlin. How to use devtool to fix an outdated patch. So I want to just remove patch files in local. Then, the easiest way it to use devtool. 1 Creating the Base Recipe Using devtool add . [ YOCTO #13417 ] devtool is not directly tied to the Extensible SDK, and instructions in there can be split and added to the development manual. com> Subject: [yocto-docs][PATCH v3 1/2] Move devtool doc from extensible to dev manual Date: Mon, 27 Jan 2025 10:58:22 +0100 [thread overview] Message-ID: <20250127-devtool-dev-manual-v3-1 Kernel development is best accomplished using devtool and not through traditional kernel workflow methods. bitbake linux-imx -c deploy 4. 1. rst document (mostly copy-pasted from the devtool quick reference in the ref-manual). Hi Vincent Thanks for your patch! On 4/14/24 at 20:48, vincent@ wrote: From: Vincent Kriek <vincent@> Documentation describing the devtool extract and devtool sync commands When doing "devtool modify u-boot-x" I am presented with all the original files but not the patches in the workspace. The purpose of the Metadata and the tools that manage it is to help you manage the devtool build u-boot. Another way would be to modify your patch to start with:--- a/Makefile. I do not have any modifications to these recipes and they patch and build fine using bitbake. patch \ " enumerating all the patches you need. However, I've run into a problem that seems like it should be easy, but it isn't. 03. org? This cannot be undone. Regardless of how you intend to make use of the Yocto Project, chances are you will work with the Linux kernel. rst: devtool ide-sdk improve Adrian Freihofer. If you don't want to create . 1 Overview . [PATCH] devtool: add clean command Josef Holzmayr #38523 Add an idiomatic way to devtool to clean a recipe. Jump to content. by Digital Gate; July 27, 2022 February 12, 2024; A command-line utility by the name of DevTool serves as the foundation of the extensible SDK. Note AUH uses much of devtool upgrade behind the scenes making AUH somewhat of a “wrapper” application for devtool upgrade . copy the generated patch file to a location which yocto build look for the -When using a SDK directly in a Yocto build, you will find the script in +When using an SDK directly in a Yocto build, you will find the script in Thanks for the patches. $ devtool finish linux-yocto ~/meta-mylayer For information on how to create patches, see the "Using devtool to Patch the Kernel" and "Using Traditional Kernel Development to Patch the Kernel" sections.
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