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X-BeenThere: ptxdist@pengutronix.de X-Mailman-Version: 2.1.29 Precedence: list List-Id: PTXdist Development Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: ptxdist@pengutronix.de, christian.melki@t2data.com Cc: ptxdist@pengutronix.de Sender: "ptxdist" X-SA-Exim-Connect-IP: 127.0.0.1 X-SA-Exim-Mail-From: ptxdist-bounces@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false On 2/13/23 16:03, Sven Püschel wrote: > Hi Christian, > > >> Just to summarize so I understand this. >> You want to limit the searching for git repos, >> so that if it isn't found in the current posix PWD (cwd), it's not a >> git repo? >> I'm assuming it's expandable by doing an export to $PWD? > > I only want to limit the parent search at a specific directory, not to > the current directory. Practically I'm using DistroKit as a BSP with > PTXDist. The target package (e.g. sockperf) is downloaded and extracted > to /path/to/DistroKit/platform-v8a/build-target/sockperf-3.10 . > Currently sockperf executes "git rev-parse HEAD" to get the current > commit, that is attached to the version number. As the sockperf-3.10 > directory itself isn't a Git directory, git checks the parent > directories until it finds the Git repository of DistroKit and returns > it's commit hash. This results in sockperf having a Distrokit commit as > part of it's version number. lshw as another example used the version > tag of Distrokit as it's own version. > > When setting > GIT_CEILING_DIR=/path/to/DistroKit/platform-v8a/build-target , then Git > will still backtrack, but stop when it reaches the build-target > directory. E.g. when > /path/to/Distrokit/platform-v8a/build-target/sockperf-3.10 is a Git > repository and some buildscript calls git from > /path/to/DistroKit/platform-v8a/build-target/sockperf-3.10/src , then > Git still traverses the parent directory to find the sockperf Git > repository. But if sockperf-3.10 isn't a git repo, it will stop > backtracking to the build-target directory and return that it didn't > find a git repository. > >> Have you tried this as an global? >> Afaict, sockperf treats this locally? > > I've added it locally to sockperf via > > SOCKPERF_CONF_ENV := $(CROSS_ENV) GIT_CEILING_DIRECTORIES="$(BUILDDIR)" > SOCKPERF_MAKE_ENV := $(CROSS_ENV) GIT_CEILING_DIRECTORIES="$(BUILDDIR)" > > I haven't tried this globally yet, as I'm not that familiar with the > PTXDist internals and didn't wanted to spend multiple hours creating a > patch and then get the feedback, that there might be a better way to do it. > The different CROSS_ENVs are defined in rules/pre/Rules.make Maybe test it there? >> Also, do you have any anecdotal or factual history from other build >> environments? >> Some of them rely extensively on git hashes, ie, repos. >> They've likely stumbled upon the same question. > > Nope, PTXDist is my first embedded build environment. > \o/ :) > > Best regards > > Sven >