[bitbake-devel] [PATCH v2] fetch2/gitsm: Unpack shallow mirror tarballs

[Paul Barker]

Sorry, I missed the new test when copying this from a poky checkout to a
bitbake checkout to generate the patch. I'll send the test as a follow-up.

On Mon, 9 Mar 2020 at 13:43, Paul Barker <pbarker at konsulko.com> wrote:

> When a shallow mirror tarball is used to satisfy a gitsm URI it needs to
> be unpacked temporarily so that the .gitmodules file can be examined.
>
> Signed-off-by: Paul Barker <pbarker at konsulko.com>
> ---
>  lib/bb/fetch2/gitsm.py | 21 ++++++++++++++++-----
>  1 file changed, 16 insertions(+), 5 deletions(-)
>
> diff --git a/lib/bb/fetch2/gitsm.py b/lib/bb/fetch2/gitsm.py
> index aa121cbe..e7083001 100644
> --- a/lib/bb/fetch2/gitsm.py
> +++ b/lib/bb/fetch2/gitsm.py
> @@ -20,6 +20,8 @@ NOTE: Switching a SRC_URI from "git://" to "gitsm://"
> requires a clean of your r
>  import os
>  import bb
>  import copy
> +import shutil
> +import tempfile
>  from   bb.fetch2.git import Git
>  from   bb.fetch2 import runfetchcmd
>  from   bb.fetch2 import logger
> @@ -130,7 +132,7 @@ class GitSM(Git):
>              ld.setVar('SRCPV', d.getVar('SRCPV'))
>              ld.setVar('SRCREV_FORMAT', module)
>
> -            function(ud, url, module, paths[module], ld)
> +            function(ud, url, module, paths[module], workdir, ld)
>
>          return submodules != []
>
> @@ -152,7 +154,7 @@ class GitSM(Git):
>          return False
>
>      def download(self, ud, d):
> -        def download_submodule(ud, url, module, modpath, d):
> +        def download_submodule(ud, url, module, modpath, workdir, d):
>              url += ";bareclone=1;nobranch=1"
>
>              # Is the following still needed?
> @@ -163,16 +165,25 @@ class GitSM(Git):
>                  newfetch.download()
>                  # Drop a nugget to add each of the srcrevs we've fetched
> (used by need_update)
>                  runfetchcmd("%s config --add bitbake.srcrev %s" % \
> -                            (ud.basecmd, ud.revisions[ud.names[0]]), d,
> workdir=ud.clonedir)
> +                            (ud.basecmd, ud.revisions[ud.names[0]]), d,
> workdir=workdir)
>              except Exception as e:
>                  logger.error('gitsm: submodule download failed: %s %s' %
> (type(e).__name__, str(e)))
>                  raise
>
>          Git.download(self, ud, d)
> -        self.process_submodules(ud, ud.clonedir, download_submodule, d)
> +
> +        # If we're using a shallow mirror tarball it needs to be unpacked
> +        # temporarily so that we can examine the .gitmodules file
> +        if ud.shallow and os.path.exists(ud.fullshallow) and
> self.need_update(ud, d):
> +            tmpdir = tempfile.mkdtemp(dir=d.getVar("DL_DIR"))
> +            runfetchcmd("tar -xzf %s" % ud.fullshallow, d, workdir=tmpdir)
> +            self.process_submodules(ud, tmpdir, download_submodule, d)
> +            shutil.rmtree(tmpdir)
> +        else:
> +            self.process_submodules(ud, ud.clonedir, download_submodule,
> d)
>
>      def unpack(self, ud, destdir, d):
> -        def unpack_submodules(ud, url, module, modpath, d):
> +        def unpack_submodules(ud, url, module, modpath, workdir, d):
>              url += ";bareclone=1;nobranch=1"
>
>              # Figure out where we clone over the bare submodules...
> --
> 2.20.1
>
>
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