VS Arduino - Prebuild hook excuted after build

Apr 18^th, 2024 at 2:27pm (UTC)

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Prebuild hook excuted after build (Read 1835 times)

Astroscout Junior Member Offline Posts: 10 Joined: Jul 31^st, 2019	Prebuild hook excuted after build May 7^th, 2020 at 1:59pm
	Hello, we mange our programming projects using Git. To ensure that we always have the latest git hash (and other building information) available in the software on the microcontroller, we added the following entry to the board.txt: Code recipe.hooks.sketch.prebuild.1.pattern=GitWCRev.exe "{ProjectDir}." "{ProjectDir}git_template.txt" "{ProjectDir}git.h" This line creates a git.h file containing all necessary git info, which is included in our software, from the given template. Unfortunately, we have now discovered that this process is not executed before the build as expected, but afterwards. Consequently, the software always contains the Git data of the previous build. Is there a way to do this BEFORE every build process? We are using Visual Studio 2019 with Visual Micro 1912.28.2 Thank you!


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Simon@Visual Micro Administrator Offline Posts: 2174 Joined: Feb 13^th, 2019	Re: Prebuild hook excuted after build Reply #1 - May 7^th, 2020 at 2:32pm
	The hook are broken down for the different phases of the compilation (Arduino Hardware Spec). To Execute some code before any actions are taken (before Library search and any compilation), the hook below will allow this to happen (though does not appear to be in the documentation). Code recipe.hooks.prebuild.1.pattern=GitWCRev.exe "{ProjectDir}." "{ProjectDir}git_template.txt" "{ProjectDir}git.h" Let us know if this resolves the issue or if something different is required.


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Astroscout Junior Member Offline Posts: 10 Joined: Jul 31^st, 2019	Re: Prebuild hook excuted after build Reply #2 - May 7^th, 2020 at 3:05pm
	Many thanks for your quick response! It works perfectly!


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Simon@Visual Micro Administrator Offline Posts: 2174 Joined: Feb 13^th, 2019	Re: Prebuild hook excuted after build Reply #3 - May 7^th, 2020 at 3:37pm
	No problem, and glad it achieves what you need for your project.


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Astroscout Junior Member Offline Posts: 10 Joined: Jul 31^st, 2019	Re: Prebuild hook excuted after build Reply #4 - May 8^th, 2020 at 6:50am
	Unfortunately I noticed another problem. The git.h is now created/updated before compilation, but the compiler does not recognize that this file has been updated and does not recompile this part. When using rebuild or clean/build the compiler unfortunately also uses the old git.h Does anyone have an idea how to solve this problem?


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Simon@Visual Micro Administrator Offline Posts: 2174 Joined: Feb 13^th, 2019	Re: Prebuild hook excuted after build Reply #5 - May 8^th, 2020 at 10:16am
	The files are copied from the project directory, to the build folder for compilation, and as we are changing the project files here, we need to ensure it is deployed to the build folder before compilation begins. Adding a hook after the git.h re-generation should work, and we will create an article for this approach as useful in multiple VC scenarios Code # Step 1: Update Source Code in Project Dir with Tortoise Git Header Information recipe.hooks.prebuild.1.pattern=GitWCRev.exe "{ProjectDir}." "{ProjectDir}git_template.txt" "{ProjectDir}git.h" # Step 2: Clone H File to Build folder for compilation recipe.hooks.prebuild.2.pattern=cmd.exe /c copy /y "{ProjectDir}git.h" "{build.path}\git.h"


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Astroscout Junior Member Offline Posts: 10 Joined: Jul 31^st, 2019	Re: Prebuild hook excuted after build Reply #6 - May 8^th, 2020 at 12:56pm
	Thank you very much for this solution. It really works perfectly!


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Tim@Visual Micro Administrator Offline Posts: 12076 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Prebuild hook excuted after build Reply #7 - Jul 10^th, 2020 at 11:34am
	Off-Topic replies have been moved to this Topic.


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