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mime.bbclass: rework

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* add a short descriptions of class' use case
* remove checks for update-mime-database - it can be considered available:
  * at build time by PACKAGE_WRITE_DEPS
  * at package upgrade by RDEPENDS chain
    pkg -> shared-mime-info-data -> shared-mime-info
* simplify (accelerate?) xml file extension detection
* run update-mime-database once only at image creation to avoid expensive
  redundant operations
* allow shared-mime-info to inherit mime.bbclass by avoiding circular
  dependencies

(From OE-Core rev: 6467b7b98c9a55e27d1ab9f253ec48da2a722e77)

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Andreas Müller 2020-01-17 22:29:02 +01:00 committed by Richard Purdie
parent 3d3f59d2c8
commit c8e3a0a442
2 changed files with 41 additions and 30 deletions
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62
meta/classes/mime.bbclass
View File

@ -1,46 +1,47 @@
DEPENDS += "shared-mime-info"
#
# This class is used by recipes installing mime types
#
DEPENDS += "${@bb.utils.contains('BPN', 'shared-mime-info', '', 'shared-mime-info', d)}"
PACKAGE_WRITE_DEPS += "shared-mime-info-native"
MIMEDIR = "${datadir}/mime"
mime_postinst() {
if [ "$1" = configure ]; then
UPDATEMIMEDB=`which update-mime-database`
if [ -x "$UPDATEMIMEDB" ] ; then
echo "Updating MIME database... this may take a while."
$UPDATEMIMEDB $D${datadir}/mime
else
echo "Missing update-mime-database, update of mime database failed!"
exit 1
fi
if [ "x$D" != "x" ]; then
$INTERCEPT_DIR/postinst_intercept update_mime_database ${PKG} \
mlprefix=${MLPREFIX} \
mimedir=${MIMEDIR}
else
echo "Updating MIME database... this may take a while."
update-mime-database $D${MIMEDIR}
fi
}
mime_postrm() {
if [ "$1" = remove ] || [ "$1" = upgrade ]; then
UPDATEMIMEDB=`which update-mime-database`
if [ -x "$UPDATEMIMEDB" ] ; then
echo "Updating MIME database... this may take a while."
$UPDATEMIMEDB $D${datadir}/mime
else
echo "Missing update-mime-database, update of mime database failed!"
exit 1
fi
if [ "x$D" != "x" ]; then
$INTERCEPT_DIR/postinst_intercept update_mime_database ${PKG} \
mlprefix=${MLPREFIX} \
mimedir=${MIMEDIR}
else
echo "Updating MIME database... this may take a while."
update-mime-database $D${MIMEDIR}
fi
}
python populate_packages_append () {
import re
packages = d.getVar('PACKAGES').split()
pkgdest = d.getVar('PKGDEST')
mimedir = d.getVar('MIMEDIR')
for pkg in packages:
mime_dir = '%s/%s/usr/share/mime/packages' % (pkgdest, pkg)
mimes = []
mime_re = re.compile(".*\.xml$")
if os.path.exists(mime_dir):
for f in os.listdir(mime_dir):
if mime_re.match(f):
mimes.append(f)
if mimes:
mime_packages_dir = '%s/%s%s/packages' % (pkgdest, pkg, mimedir)
mimes_types_found = False
if os.path.exists(mime_packages_dir):
for f in os.listdir(mime_packages_dir):
if f.endswith('.xml'):
mimes_types_found = True
break
if mimes_types_found:
bb.note("adding mime postinst and postrm scripts to %s" % pkg)
postinst = d.getVar('pkg_postinst_%s' % pkg)
if not postinst:
@ -52,6 +53,7 @@ python populate_packages_append () {
postrm = '#!/bin/sh\n'
postrm += d.getVar('mime_postrm')
d.setVar('pkg_postrm_%s' % pkg, postrm)
bb.note("adding shared-mime-info-data dependency to %s" % pkg)
d.appendVar('RDEPENDS_' + pkg, " " + d.getVar('MLPREFIX')+"shared-mime-info-data")
if pkg != 'shared-mime-info-data':
bb.note("adding shared-mime-info-data dependency to %s" % pkg)
d.appendVar('RDEPENDS_' + pkg, " " + d.getVar('MLPREFIX')+"shared-mime-info-data")
}

9
scripts/postinst-intercepts/update_mime_database Normal file
View File

@ -0,0 +1,9 @@
#!/bin/sh
#
# SPDX-License-Identifier: MIT
#
# Post-install intercept for mime.bbclass
echo "Updating MIME database... this may take a while."
update-mime-database $D${mimedir}