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9d2442b2
by Chandan Singh
at 2018-08-15T17:29:07Z
Allow source plugins to access previous sources
Source plugin implementations can now specify that they need access to
previously staged sources by specifying
`BST_REQUIRES_PREVIOUS_SOURCES_TRACK` and/or
`BST_REQUIRES_PREVIOUS_SOURCES_FETCH`, corresponding to access at `track`
and `fetch` times respectively.
Fixes #381.
Replaces !505. For relevant discussion, see this discussion:
https://gitlab.com/BuildStream/buildstream/merge_requests/505#note_83780747
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a7a82650
by Chandan Singh
at 2018-08-15T18:23:04Z
Add pip source plugin
`pip` source plugin can stage python packages that are either specified
directly in the element definition or picked up from `requirements.txt`
from previous sources. In order to support the latter use-case
(which is also the primary motivation for this plugin), this plugin
requires access to previous sources and hence is an example of a
Source Transform source.
Also, bump `BST_FORMAT_VERSION` as this patch adds a new core plugin.
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4a2dd6af
by Chandan Singh
at 2018-08-15T18:58:58Z
Add NEWS entry for Source Transform and pip source
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d4706096
by Chandan Singh
at 2018-08-15T20:21:01Z
Merge branch 'chandan/sourcetransform' into 'master'
Allow source plugins to access previous sources
Closes #381
See merge request BuildStream/buildstream!568
