On Sun, 2024-03-10 at 09:05 -0700, Bruce Ashfield wrote:
> On Sun, Mar 10, 2024 at 11:52 AM Richard Purdie
> <richard.pur...@linuxfoundation.org> wrote:
> > 
> > On Sun, 2024-03-10 at 06:20 -0700, Richard Purdie via
> > lists.openembedded.org wrote:
> > > On Sun, 2024-03-10 at 13:31 +0100, Max wrote:
> > > > Am Samstag, dem 09.03.2024 um 13:04 -0800 schrieb Bruce
> > > > Ashfield:
> > > > > On Sat, Mar 9, 2024 at 12:58 PM <max.oss...@gmail.com> wrote:
> > > > > > 
> > > > > > From: Max Krummenacher <max.krummenac...@toradex.com>
> > > > > > 
> > > > > > Hello
> > > > > > 
> > > > > > If one builds a kernel using AUTOREV invoking bitbake only
> > > > > > works
> > > > > > once.
> > > > > > Any subsequent bitbake invocation fails parsing the meta
> > > > > > data.
> > > > > > 
> > > > > > Reproducable with:
> > > > > > - latest poky, b5624ee564
> > > > > > - Kernel with SRCREV = "AUTOREV", e.g. in local.conf
> > > > > >   `SRCREV_machine:pn-linux-yocto:forcevariable =
> > > > > > "${AUTOREV}"`
> > > > > > - bitbake virtual/kernel; bitbake virtual/kernel
> > > > > > 
> > > > > > On the second invocation parsing fails when the fetcher
> > > > > > tries
> > > > > > to
> > > > > > evaluate the latest SRCREV:
> > > > > > 
> > > > > > > ERROR: ExpansionError during parsing meta/recipes-
> > > > > > > kernel/linux/linux-yocto_6.6.bb
> > > > > > > Traceback (most recent call last):
> > > > > > >   File "bitbake/lib/bb/fetch2/__init__.py", line 1245, in
> > > > > > > srcrev_internal_helper(ud=<bb.fetch2.FetchData object at
> > > > > > > 0x7f8e26f5f290>, d=<bb.data_smart.DataSmart object at
> > > > > > > 0x7f8e26195890>, name='machine'):
> > > > > > >              d.setVar("__BBAUTOREV_ACTED_UPON", True)
> > > > > > >     >        srcrev = ud.method.latest_revision(ud, d,
> > > > > > > name)
> > > > > > > 
> > > > > > >   File "bitbake/lib/bb/fetch2/__init__.py", line 1667, in
> > > > > > > Git.latest_revision(ud=<bb.fetch2.FetchData object at
> > > > > > > 0x7f8e26f5f290>, d=<bb.data_smart.DataSmart object at
> > > > > > > 0x7f8e26195890>, name='machine'):
> > > > > > >              except KeyError:
> > > > > > >     >            revs[key] = rev =
> > > > > > > self._latest_revision(ud,
> > > > > > > d,
> > > > > > > name)
> > > > > > >                  return rev
> > > > > > >   File "bitbake/lib/bb/fetch2/git.py", line 850, in
> > > > > > > Git._latest_revision(ud=<bb.fetch2.FetchData object at
> > > > > > > 0x7f8e26f5f290>, d=<bb.data_smart.DataSmart object at
> > > > > > > 0x7f8e26195890>, name='machine'):
> > > > > > > 
> > > > > > >     >        output = self._lsremote(ud, d, "")
> > > > > > >              # Tags of the form ^{} may not work, need to
> > > > > > > fallback to other form
> > > > > > >   File "bitbake/lib/bb/fetch2/git.py", line 833, in
> > > > > > > Git._lsremote(ud=<bb.fetch2.FetchData object at
> > > > > > > 0x7f8e26f5f290>, d=<bb.data_smart.DataSmart object at
> > > > > > > 0x7f8e26195890>, search=''):
> > > > > > >                      bb.fetch2.check_network_access(d,
> > > > > > > cmd,
> > > > > > > repourl)
> > > > > > >     >            output = runfetchcmd(cmd, d, True)
> > > > > > >                  if not output:
> > > > > > >   File "bitbake/lib/bb/fetch2/__init__.py", line 957, in
> > > > > > > runfetchcmd(cmd='export PSEUDO_DISABLED=1; export
> > > > > > > DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/1003/bus";
> > > > > > > export
> > > > > > > PATH="build/tmp/sysroots-uninative/x86_64-
> > > > > > > linux/usr/bin:scripts:build/tmp/work/qemux86_64-poky-
> > > > > > > linux/linux-yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/usr/bin/x86_64-poky-
> > > > > > > linux:build/tmp/work/qemux86_64-
> > > > > > > poky-linux/linux-yocto/6.6.20+git/recipe-
> > > > > > > sysroot/usr/bin/crossscripts:build/tmp/work/qemux86_64-
> > > > > > > poky-
> > > > > > > linux/linux-yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/usr/sbin:build/tmp/work/qemux86_64-poky-
> > > > > > > linux/linux-
> > > > > > > yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/usr/bin:build/tmp/work/qemux86_64-poky-
> > > > > > > linux/linux-
> > > > > > > yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/sbin:build/tmp/work/qemux86_64-poky-linux/linux-
> > > > > > > yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/bin:bitbake/bin:build/tmp/hosttools"; export
> > > > > > > HOME="/home/krm"; git -c gc.autoDetach=false -c
> > > > > > > core.pager=cat
> > > > > > > -c safe.bareRepository=all ls-remote
> > > > > > > https://git.yoctoproject.org/linux-yocto.git ',
> > > > > > > d=<bb.data_smart.DataSmart object at 0x7f8e26195890>,
> > > > > > > quiet=True, cleanup=[], log=None, workdir=None):
> > > > > > > 
> > > > > > >     >        raise FetchError(error_message)
> > > > > > > 
> > > > > > > bb.data_smart.ExpansionError: Failure expanding variable
> > > > > > > fetcher_hashes_dummyfunc[vardepvalue], expression was
> > > > > > > ${@bb.fetch.get_hashvalue(d)} which triggered exception
> > > > > > > FetchError: Fetcher failure: Fetch command export
> > > > > > > PSEUDO_DISABLED=1; export
> > > > > > > DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/1003/bus";
> > > > > > > export
> > > > > > > PATH="build/tmp/sysroots-uninative/x86_64-
> > > > > > > linux/usr/bin:scripts:/var/home/krm/build/poky/build/tmp/
> > > > > > > work
> > > > > > > /q
> > > > > > > emux86_64-poky-linux/linux-yocto/6.6.20+git/recipe-
> > > > > > > sysroot-
> > > > > > > native/usr/bin/x86_64-poky-
> > > > > > > linux:build/tmp/work/qemux86_64-
> > > > > > > poky-linux/linux-yocto/6.6.20+git/recipe-
> > > > > > > sysroot/usr/bin/crossscripts:build/tmp/work/qemux86_64-
> > > > > > > poky-
> > > > > > > linux/linux-yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/usr/sbin:build/tmp/work/qemux86_64-poky-
> > > > > > > linux/linux-
> > > > > > > yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/usr/bin:build/tmp/work/qemux86_64-poky-
> > > > > > > linux/linux-
> > > > > > > yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/sbin:build/tmp/work/qemux86_64-poky-linux/linux-
> > > > > > > yocto/6.6.20+git/recipe-sysroot-
> > > > > > > native/bin:bitbake/bin:build/tmp/hosttools"; export
> > > > > > > HOME="/home/krm"; git -c gc.autoDetach=false -c
> > > > > > > core.pager=cat
> > > > > > > -c safe.bareRepository=all ls-remote
> > > > > > > https://git.yoctoproject.org/linux-yocto.git  failed with
> > > > > > > exit
> > > > > > > code 128, output:
> > > > > > > fatal: unable to access
> > > > > > > 'https://git.yoctoproject.org/linux-yocto.git/': error
> > > > > > > setting
> > > > > > > certificate file: build/tmp/work/x86_64-linux/curl-
> > > > > > > native/8.6.0/recipe-sysroot-native/etc/ssl/certs/ca-
> > > > > > > certificates.crt
> > > > > > > 
> > > > > > > The variable dependency chain for the failure is:
> > > > > > > fetcher_hashes_dummyfunc[vardepvalue]
> > > > > > 
> > > > > > Note:
> > > > > > One gets out of that parser error by deleting the git
> > > > > > binary in
> > > > > > the
> > > > > > kernel's work recipe-sysroot-native
> > > > > > `rm tmp/work/qemux86_64-poky-linux/linux-
> > > > > > yocto/6.6.20+git/recipe-
> > > > > > sysroot-native/usr/bin/git`
> > > > > > 
> > > > > > Bisecting poky leads to commit
> > > > > > f7fa98cca8 ("kern-tools: depend on git-replacement-native")
> > > > > > Reverting it on top of b5624ee564 makes the parsing pass.
> > > > > > 
> > > > > > I assume that `git-replacement-native` does not work with
> > > > > > https,
> > > > > > the
> > > > > > fetch error also goes away if changing in SRC_URI from
> > > > > > https to
> > > > > > git.
> > > > > > 
> > > > > > Any comments?
> > > > > 
> > > > > I didn't even know that curl was coming into play :)
> > > > > 
> > > > > Adding DEPENDS:class-native += "ca-certificates" to the curl
> > > > > recipe
> > > > > should resolve the issue.
> > > > 
> > > > Looks like curl-native resp. libcurl hardcodes the lookup to
> > > > its
> > > > own
> > > > work directory, i.e.:
> > > > x86_64-linux/curl-native/8.6.0/recipe-sysroot-
> > > > native/etc/ssl/certs/ca-certificates.crt
> > > > 
> > > > So even if DEPENDS/RDEPENDS will install ca-certificates in the
> > > > kernel's
> > > > recipe-sysroot-native the parsing will fail if the curl-native
> > > > directory
> > > > is not/no longer populated, e.g. because curl-native came from
> > > > sstate
> > > > or
> > > > rm_work is in INHERIT.
> > > 
> > > This all gets a bit messy.
> > > 
> > > We've relied upon scripts that use openssl to set variables like:
> > > 
> > > export SSL_CERT_DIR="XXXX/etc/ssl/certs/
> > > 
> > > so in theory we might be able to set an environment variable in a
> > > wrapper around the git commands.
> > > 
> > > It may be better if we teach curl a relative path to the certs...
> > > 
> > > I suspect this isn't going to be an easy/neat fix unfortunately.
> > 
> > I'm trying not to get sucked into "work" today however I realised
> > that
> > relative paths won't work without some implementation of "$ORIGIN"
> > support into these paths. Given it ultimately ends up in openssl,
> > it
> > would probably be best there.
> > 
> > I'd not be against writing a $ORIGIN support patch and seeing what
> > upstream think about it. It would still mean finding a way to find
> > the
> > path to the library file somehow.
> > 
> > For purposes of the release, setting the right envvars in the git
> > wrapper is probably the way forward for now, much as I dislike the
> > requirement to do that.
> 
> I tried this, but curl didn't seem to use it to locate the cert file.
> 
> i.e., I tried this:
> 
> ---------------
> 
> diff --git a/meta/recipes-devtools/git/git_2.44.0.bb
> b/meta/recipes-devtools/git/git_2.44.0.bb
> index e6d1470873..f6b06ec601 100644
> --- a/meta/recipes-devtools/git/git_2.44.0.bb
> +++ b/meta/recipes-devtools/git/git_2.44.0.bb
> @@ -31,7 +31,7 @@ PACKAGECONFIG ??= "expat curl"
>  PACKAGECONFIG[cvsserver] = ""
>  PACKAGECONFIG[svn] = ""
>  PACKAGECONFIG[manpages] = ",,asciidoc-native xmlto-native"
> -PACKAGECONFIG[curl] = "--with-curl,--without-curl,curl"
> +PACKAGECONFIG[curl] = "--with-curl,--without-curl,curl ca-
> certificates"
>  PACKAGECONFIG[expat] = "--with-expat,--without-expat,expat"
> 
>  EXTRA_OECONF = "--with-perl=${STAGING_BINDIR_NATIVE}/perl-
> native/perl \
> @@ -103,13 +103,15 @@ do_install:append:class-target () {
>  do_install:append:class-native() {
>         create_wrapper ${D}${bindir}/git \
>                 GIT_EXEC_PATH='`dirname
> $''realpath`'/${REL_GIT_EXEC_PATH} \
> -               GIT_TEMPLATE_DIR='`dirname
> $''realpath`'/${REL_GIT_TEMPLATE_DIR}
> +               GIT_TEMPLATE_DIR='`dirname
> $''realpath`'/${REL_GIT_TEMPLATE_DIR} \
> +               SSL_CERT_DIR='`dirname
> $''realpath`'/../../etc/ssl/certs/
>  }
> 
>  do_install:append:class-nativesdk() {
>         create_wrapper ${D}${bindir}/git \
>                 GIT_EXEC_PATH='`dirname
> $''realpath`'/${REL_GIT_EXEC_PATH} \
>                 GIT_TEMPLATE_DIR='`dirname
> $''realpath`'/${REL_GIT_TEMPLATE_DIR}
> +               SSL_CERT_DIR='`dirname
> $''realpath`'/../../etc/ssl/certs/
>         perl_native_fixup
>  }
> 
> ---------
> 
> Probably because the exec of curl from git isn't getting the
> environment ? Either
> that, or I did it wrong. I didn't try it as an explicit export, and
> that is probably it,
> I can try that later tonight.
> 
> Only when I added the depends on ca-certifications to curl itself was
> it able to
> fetch the autorevs.

We probably need both the variable (to avoid the workdir removal issue)
and the dependency.

Cheers,

Richard
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