[OE-core] [PATCH v3 07/15] update-alternatives: try to update FILES_${PN} when renaming a file
Richard Purdie
richard.purdie at linuxfoundation.org
Wed Jan 16 12:18:42 UTC 2019
On Wed, 2019-01-16 at 12:00 +0000, André Draszik wrote:
> From: André Draszik <andre.draszik at jci.com>
>
> When using update-alternatives, FILES_${PN} must be
> referencing the new name after update-alternatives has
> renamed files.
>
> This is more or less OK when having static lists of files to
> be packaged into a package, but makes it quite hard to
> dynamically generate FILES_${PN}, e.g. using do_split_packages(),
> as in that case we can not easily modify what goes into
> FILES_${PN}, because that list is based on filenames as seen
> at the time do_split_packages() is executing.
>
> Of couse one could explicitly specify the (renamed) file(s)
> in the recipe, but that contradicts the intended usage of
> do_split_packages().
>
> Instead, if FILES_${PN} contains the file name as it was pre
> renaming, we here modify this to reflect the new name.
>
> This will allow usage of do_split_packages() to populate
> FILES_${PN}.
>
> [YOCTO #13058]
>
> Signed-off-by: André Draszik <andre.draszik at jci.com>
> ---
> meta/classes/update-alternatives.bbclass | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/meta/classes/update-alternatives.bbclass b/meta/classes/update-alternatives.bbclass
> index 78291e7e45..363f1ae129 100644
> --- a/meta/classes/update-alternatives.bbclass
> +++ b/meta/classes/update-alternatives.bbclass
> @@ -135,6 +135,8 @@ populate_packages[vardeps] += "${UPDALTVARS} ${@gen_updatealternativesvars(d)}"
> # place for that.
> PACKAGE_PREPROCESS_FUNCS += "${@'apply_update_alternative_renames' if update_alternatives_enabled(d) else ''}"
> python apply_update_alternative_renames () {
> + from re import sub
> +
> # Check for deprecated usage...
> pn = d.getVar('BPN')
> if d.getVar('ALTERNATIVE_LINKS') != None:
> @@ -174,6 +176,10 @@ python apply_update_alternative_renames () {
> else:
> bb.note('%s: Rename %s -> %s' % (pn, alt_target, alt_target_rename))
> os.rename(src, dest)
> + f = d.getVar('FILES_' + pkg)
> + if f:
> + f = sub(r'(^|\s)%s(\s|$)' % alt_target, r'\1%s\2' % alt_target_rename, f)
> + d.setVar('FILES_' + pkg, f)
> else:
> bb.warn("%s: alternative target (%s or %s) does not exist, skipping..." % (pn, alt_target, alt_target_rename))
> continue
> @@ -200,6 +206,11 @@ python apply_update_alternative_renames () {
> os.unlink(src)
> else:
> bb.warn('%s: Unable to resolve dangling symlink: %s' % (pn, alt_target))
> + continue
> + f = d.getVar('FILES_' + pkg)
> + if f:
> + f = sub(r'(^|\s)%s(\s|$)' % alt_target, r'\1%s\2' % alt_target_rename, f)
> + d.setVar('FILES_' + pkg, f)
> }
>
Create an internal function and call it twice:
def update_files(alt_target, alt_target_rename, pkg, d):
f = d.getVar('FILES_' + pkg)
if f:
f = sub(r'(^|\s)%s(\s|$)' % alt_target, r'\1%s\2' % alt_target_rename, f)
d.setVar('FILES_' + pkg, f)
?
Cheers,
Richard
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