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-rw-r--r--import-layers/yocto-poky/meta/classes/patch.bbclass187
1 files changed, 187 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/classes/patch.bbclass b/import-layers/yocto-poky/meta/classes/patch.bbclass
new file mode 100644
index 000000000..3d22ad838
--- /dev/null
+++ b/import-layers/yocto-poky/meta/classes/patch.bbclass
@@ -0,0 +1,187 @@
+# Copyright (C) 2006 OpenedHand LTD
+
+# Point to an empty file so any user's custom settings don't break things
+QUILTRCFILE ?= "${STAGING_ETCDIR_NATIVE}/quiltrc"
+
+PATCHDEPENDENCY = "${PATCHTOOL}-native:do_populate_sysroot"
+
+inherit terminal
+
+def src_patches(d, all = False ):
+ workdir = d.getVar('WORKDIR', True)
+ fetch = bb.fetch2.Fetch([], d)
+ patches = []
+ sources = []
+ for url in fetch.urls:
+ local = patch_path(url, fetch, workdir)
+ if not local:
+ if all:
+ local = fetch.localpath(url)
+ sources.append(local)
+ continue
+
+ urldata = fetch.ud[url]
+ parm = urldata.parm
+ patchname = parm.get('pname') or os.path.basename(local)
+
+ apply, reason = should_apply(parm, d)
+ if not apply:
+ if reason:
+ bb.note("Patch %s %s" % (patchname, reason))
+ continue
+
+ patchparm = {'patchname': patchname}
+ if "striplevel" in parm:
+ striplevel = parm["striplevel"]
+ elif "pnum" in parm:
+ #bb.msg.warn(None, "Deprecated usage of 'pnum' url parameter in '%s', please use 'striplevel'" % url)
+ striplevel = parm["pnum"]
+ else:
+ striplevel = '1'
+ patchparm['striplevel'] = striplevel
+
+ patchdir = parm.get('patchdir')
+ if patchdir:
+ patchparm['patchdir'] = patchdir
+
+ localurl = bb.fetch.encodeurl(('file', '', local, '', '', patchparm))
+ patches.append(localurl)
+
+ if all:
+ return sources
+
+ return patches
+
+def patch_path(url, fetch, workdir):
+ """Return the local path of a patch, or None if this isn't a patch"""
+
+ local = fetch.localpath(url)
+ base, ext = os.path.splitext(os.path.basename(local))
+ if ext in ('.gz', '.bz2', '.Z'):
+ local = os.path.join(workdir, base)
+ ext = os.path.splitext(base)[1]
+
+ urldata = fetch.ud[url]
+ if "apply" in urldata.parm:
+ apply = oe.types.boolean(urldata.parm["apply"])
+ if not apply:
+ return
+ elif ext not in (".diff", ".patch"):
+ return
+
+ return local
+
+def should_apply(parm, d):
+ """Determine if we should apply the given patch"""
+
+ if "mindate" in parm or "maxdate" in parm:
+ pn = d.getVar('PN', True)
+ srcdate = d.getVar('SRCDATE_%s' % pn, True)
+ if not srcdate:
+ srcdate = d.getVar('SRCDATE', True)
+
+ if srcdate == "now":
+ srcdate = d.getVar('DATE', True)
+
+ if "maxdate" in parm and parm["maxdate"] < srcdate:
+ return False, 'is outdated'
+
+ if "mindate" in parm and parm["mindate"] > srcdate:
+ return False, 'is predated'
+
+
+ if "minrev" in parm:
+ srcrev = d.getVar('SRCREV', True)
+ if srcrev and srcrev < parm["minrev"]:
+ return False, 'applies to later revisions'
+
+ if "maxrev" in parm:
+ srcrev = d.getVar('SRCREV', True)
+ if srcrev and srcrev > parm["maxrev"]:
+ return False, 'applies to earlier revisions'
+
+ if "rev" in parm:
+ srcrev = d.getVar('SRCREV', True)
+ if srcrev and parm["rev"] not in srcrev:
+ return False, "doesn't apply to revision"
+
+ if "notrev" in parm:
+ srcrev = d.getVar('SRCREV', True)
+ if srcrev and parm["notrev"] in srcrev:
+ return False, "doesn't apply to revision"
+
+ return True, None
+
+should_apply[vardepsexclude] = "DATE SRCDATE"
+
+python patch_do_patch() {
+ import oe.patch
+
+ patchsetmap = {
+ "patch": oe.patch.PatchTree,
+ "quilt": oe.patch.QuiltTree,
+ "git": oe.patch.GitApplyTree,
+ }
+
+ cls = patchsetmap[d.getVar('PATCHTOOL', True) or 'quilt']
+
+ resolvermap = {
+ "noop": oe.patch.NOOPResolver,
+ "user": oe.patch.UserResolver,
+ }
+
+ rcls = resolvermap[d.getVar('PATCHRESOLVE', True) or 'user']
+
+ classes = {}
+
+ s = d.getVar('S', True)
+
+ os.putenv('PATH', d.getVar('PATH', True))
+
+ # We must use one TMPDIR per process so that the "patch" processes
+ # don't generate the same temp file name.
+
+ import tempfile
+ process_tmpdir = tempfile.mkdtemp()
+ os.environ['TMPDIR'] = process_tmpdir
+
+ for patch in src_patches(d):
+ _, _, local, _, _, parm = bb.fetch.decodeurl(patch)
+
+ if "patchdir" in parm:
+ patchdir = parm["patchdir"]
+ if not os.path.isabs(patchdir):
+ patchdir = os.path.join(s, patchdir)
+ else:
+ patchdir = s
+
+ if not patchdir in classes:
+ patchset = cls(patchdir, d)
+ resolver = rcls(patchset, oe_terminal)
+ classes[patchdir] = (patchset, resolver)
+ patchset.Clean()
+ else:
+ patchset, resolver = classes[patchdir]
+
+ bb.note("Applying patch '%s' (%s)" % (parm['patchname'], oe.path.format_display(local, d)))
+ try:
+ patchset.Import({"file":local, "strippath": parm['striplevel']}, True)
+ except Exception as exc:
+ bb.utils.remove(process_tmpdir, True)
+ bb.fatal(str(exc))
+ try:
+ resolver.Resolve()
+ except bb.BBHandledException as e:
+ bb.utils.remove(process_tmpdir, True)
+ bb.fatal(str(e))
+
+ bb.utils.remove(process_tmpdir, True)
+ del os.environ['TMPDIR']
+}
+patch_do_patch[vardepsexclude] = "PATCHRESOLVE"
+
+addtask patch after do_unpack
+do_patch[dirs] = "${WORKDIR}"
+do_patch[depends] = "${PATCHDEPENDENCY}"
+
+EXPORT_FUNCTIONS do_patch
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