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"))