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bitbake: fetch2: Add striplevel support to unpack

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Add a parameter `striplevel` to the SRC_URI to strip NUMBER leading
components (levels) from file names on extraction.

For example, if the archive `archive.tar.gz` contains `some/file`,
the SRC_URI `https://.../archive.tar.gz;subdir=other;striplevel=1`
will extract `some/file` to `other/file`.

This is useful to extract archives to a specified directory instead of
the original root component of the archive. The feature is required for
the npm support. The npm package contents should reside in a subfolder
inside a npm archive (usually it is called package/). npm strips one
directory layer when installing the package.

(Bitbake rev: aa4926e5d9c92f33b4434e2da709ff0bf3049f5b)

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Stefan Herbrechtsmeier
2021-11-25 13:59:52 +01:00
committed by Richard Purdie
parent 8091ad4347
commit e241d0e78c
1 changed files with 2 additions and 0 deletions
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2
bitbake/lib/bb/fetch2/__init__.py
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@@ -1459,6 +1459,8 @@ class FetchMethod(object):
if unpack:
tar_cmd = 'tar --extract --no-same-owner'
if 'striplevel' in urldata.parm:
tar_cmd += ' --strip-components=%s' % urldata.parm['striplevel']
if file.endswith('.tar'):
cmd = '%s -f %s' % (tar_cmd, file)
elif file.endswith('.tgz') or file.endswith('.tar.gz') or file.endswith('.tar.Z'):