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authorRoss Burton <ross.burton@intel.com>2016-11-11 17:51:17 +0000
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-03-11 16:08:48 +0000
commitc48ef2d7c7198232846f36a975c673cc57f4a090 (patch)
tree7c9f238e78cff3bdf5b7fc27cb9caeaafe2506c7 /meta/classes
parentfa764a403da34bb0ca9fa3767a9e9dba8d685965 (diff)
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classes: add devupstream class
This class lets you use BBCLASSEXTEND to add a variant of the recipe that fetches from an alternative URI (such as git:) instead of a tarball. For example: BBCLASSEXTEND = "devupstream:target" SRC_URI_class-devupstream = "git://git.example.com/example" SRCREV_class-devupstream = "abcd1234" This variant will have DEFAULT_PREFERENCE set to -1 so it needs to be selected to be used, and any development-specific tweaks can be done with the class-devupstream override, for example: DEPENDS_append_class-devupstream = " gperf-native" do_configure_prepend_class-devupstream() { touch ${S}/README } It currently only supports creating a development variant of the target recipe, not native or nativesdk. The BBCLASSEXTEND syntax (devupstream:target) was chosen so that support for native and nativesdk can be added at a later date. Support for other version control systems such as subversion is limited, as bitbake's automatic fetch dependencies on for example subversion-native are not generated. [ YOCTO #10215 ] Signed-off-by: Ross Burton <ross.burton@intel.com>
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diff --git a/meta/classes/devupstream.bbclass b/meta/classes/devupstream.bbclass
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+# Class for use in BBCLASSEXTEND to make it easier to have a single recipe that
+# can build both stable tarballs and snapshots from upstream source
+# repoistories.
+#
+# Usage:
+# BBCLASSEXTEND = "devupstream:target"
+# SRC_URI_class-devupstream = "git://git.example.com/example"
+# SRCREV_class-devupstream = "abcdef"
+#
+# If the first entry in SRC_URI is a git: URL then S is rewritten to
+# WORKDIR/git.
+#
+# There are a few caveats that remain to be solved:
+# - You can't build native or nativesdk recipes using for example
+# devupstream:native, you can only build target recipes.
+# - If the fetcher requires native tools (such as subversion-native) then
+# bitbake won't be able to add them automatically.
+
+CLASSOVERRIDE .= ":class-devupstream"
+
+python devupstream_virtclass_handler () {
+ # Do nothing if this is inherited, as it's for BBCLASSEXTEND
+ if "devupstream" not in (d.getVar('BBCLASSEXTEND') or ""):
+ bb.error("Don't inherit devupstream, use BBCLASSEXTEND")
+ return
+
+ variant = d.getVar("BBEXTENDVARIANT")
+ if variant not in ("target"):
+ bb.error("Pass the variant when using devupstream, for example devupstream:target")
+ return
+
+ # Develpment releases are never preferred by default
+ d.setVar("DEFAULT_PREFERENCE", "-1")
+
+ uri = bb.fetch2.URI(d.getVar("SRC_URI").split()[0])
+
+ if uri.scheme == "git":
+ d.setVar("S", "${WORKDIR}/git")
+
+ # Modify the PV if the recipe hasn't already overridden it
+ pv = d.getVar("PV")
+ proto_marker = "+" + uri.scheme
+ if proto_marker not in pv:
+ d.setVar("PV", pv + proto_marker + "${SRCPV}")
+}
+
+addhandler devupstream_virtclass_handler
+devupstream_virtclass_handler[eventmask] = "bb.event.RecipePreFinalise"