I'm trying to get a bitbake file to pull down the latest revision of a mercurial repo when it builds. It's unfortunately undocumented ( https://www.yoctoproject.org/docs/1.6/bitbake-user-manual/bitbake-user-manual.html#auto-revisions ), though there are a few mailing list posts on the topic. None of my attempts to recreate their methods have panned out.
This is what the .bb file looks like: ############################################################################### # Variables for locations. ############################################################################### SRC_URI = "hg://selhg//hg/products/test;rev=${SRCREV} ;protocol=ssh;branch=default;module=root" SRCREV = "${AUTOREV}" # Sources are downloaded to an hg subdirectory when pulling a repo. S = "${WORKDIR}/hg" ############################################################################### # The version of the library we're going to install. ############################################################################### # Set PV to SRCPV so bitbake knows it should always check SRC_URI for a new # version of the application. PV = "${SRCPV}" PR = "r0" PE = "1" And here's the relevant part of the output error: /usr/bin/env hg up -C -r AUTOINC | DEBUG: Python function base_do_unpack finished | DEBUG: Python function do_unpack finished | ERROR: Function failed: Fetcher failure: Fetch command failed with exit code 255, output: | abort: unknown revision 'AUTOINC'! | NOTE: recipe test-1_AUTOINC+AUTOINC-r0: task do_unpack: Failed DEBUG: Teardown for bitbake-worker NOTE: Tasks Summary: Attempted 361 tasks of which 359 didn't need to be rerun and 1 failed. Summary: 1 task failed: /home/roygarr/git/poky/meta/recipes-core/test/test_0.0.1.bb, do_unpack Summary: There was 1 ERROR message shown, returning a non-zero exit code. The problem seems to be that AUTOREV is resolving to AUTOINC instead of a hash number. There are a few mumblings across the forums that this has to do with the PV and SRCREV variables, but I haven't been able to connect the dots. I have had some success in recreating this with the Git fetcher. The .bb file is almost identical, but something about it works out in a more positive way. My money's on the "rev=" argument that the hg fetcher needs but the git fetcher doesn't. ############################################################################### # Variables for locations. ############################################################################### SRC_URI = "git://lpul-hg.ad.selinc.com/git/repos/products/test;protocol=ssh;branch=master" SRCREV = "${AUTOREV}" # Sources are downloaded to a git subdirectory when pulling a repo. S = "${WORKDIR}/git" ############################################################################### # The version of the library we're going to install. ############################################################################### # Set PV to SRCPV so bitbake knows it should always check SRC_URI for a new # version of the application. PV = "${SRCPV}" PR = "r0" PE = "1" ... DEBUG: Executing task do_clean NOTE: recipe test-1_AUTOINC+1072c0d5c6-r0: task do_clean: Started NOTE: recipe test-1_AUTOINC+1072c0d5c6-r0: task do_clean: Succeeded Any insight you can offer would be appreciated. - Roy, Intern at SEL
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