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# Must inherit package first before changing PACKAGEFUNCS
inherit package
PACKAGEFUNCS += "emit_pkghistory"
PKGHIST_DIR = "${TMPDIR}/pkghistory/"
#
# Called during do_package to write out metadata about this package
# for comparision when writing future packages
#
python emit_pkghistory() {
packages = bb.data.getVar('PACKAGES', d, True)
pkghistdir = bb.data.getVar('PKGHIST_DIR', d, True)
# Should check PACKAGES here to see if anything removed
def getpkgvar(pkg, var):
val = bb.data.getVar('%s_%s' % (var, pkg), d, 1)
if val:
return val
val = bb.data.getVar('%s' % (var), d, 1)
return val
def getlastversion(pkg):
try:
pe = os.path.basename(os.readlink(os.path.join(pkghistdir, pkg, "latest")))
pv = os.path.basename(os.readlink(os.path.join(pkghistdir, pkg, pe, "latest")))
pr = os.path.basename(os.readlink(os.path.join(pkghistdir, pkg, pe, pv, "latest")))
return (pe, pv, pr)
except OSError:
return (None, None, None)
for pkg in packages.split():
pe = getpkgvar(pkg, 'PE') or "0"
pv = getpkgvar(pkg, 'PV')
pr = getpkgvar(pkg, 'PR')
destdir = os.path.join(pkghistdir, pkg, pe, pv, pr)
#
# Find out what the last version was
# Make sure the version did not decrease
#
lastversion = getlastversion(pkg)
(last_pe, last_pv, last_pr) = lastversion
if last_pe is not None:
r = bb.utils.vercmp((pe, pv, pr), lastversion)
if r < 0:
bb.fatal("Package version for package %s went backwards which would break package feeds from (%s:%s-%s to %s:%s-%s)" % (pkg, last_pe, last_pv, last_pr, pe, pv, pr))
write_pkghistory(pkg, pe, pv, pr, d)
if last_pe is not None:
check_pkghistory(pkg, pe, pv, pr, lastversion)
write_latestlink(pkg, pe, pv, pr, d)
}
def check_pkghistory(pkg, pe, pv, pr, lastversion):
import bb
(last_pe, last_pv, last_pr) = lastversion
bb.debug(2, "Checking package history")
# RDEPENDS removed?
# PKG changed?
# Each file list of each package for file removals?
def write_pkghistory(pkg, pe, pv, pr, d):
import bb, os
bb.debug(2, "Writing package history")
pkghistdir = bb.data.getVar('PKGHIST_DIR', d, True)
verpath = os.path.join(pkghistdir, pkg, pe, pv, pr)
if not os.path.exists(verpath):
os.makedirs(verpath)
def write_latestlink(pkg, pe, pv, pr, d):
import bb, os
pkghistdir = bb.data.getVar('PKGHIST_DIR', d, True)
def rm_link(path):
try:
os.unlink(path)
except OSError:
return
rm_link(os.path.join(pkghistdir, pkg, "latest"))
rm_link(os.path.join(pkghistdir, pkg, pe, "latest"))
rm_link(os.path.join(pkghistdir, pkg, pe, pv, "latest"))
os.symlink(os.path.join(pkghistdir, pkg, pe), os.path.join(pkghistdir, pkg, "latest"))
os.symlink(os.path.join(pkghistdir, pkg, pe, pv), os.path.join(pkghistdir, pkg, pe, "latest"))
os.symlink(os.path.join(pkghistdir, pkg, pe, pv, pr), os.path.join(pkghistdir, pkg, pe, pv, "latest"))
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