[OE-core] [PATCH v5] image-buildinfo.bbclass: New class, writes
Alejandro Hernandez
alejandro.hernandez at linux.intel.com
Tue Nov 4 18:09:13 UTC 2014
build information to target filesystem on /etc/build
such as enabled layers, their current status and commit.
[YOCTO #6770]
Signed-off-by: Alejandro Hernandez <alejandro.hernandez at linux.intel.com>
---
meta/classes/image-buildinfo.bbclass | 76 ++++++++++++++++++++++++++++++++++++
1 file changed, 76 insertions(+)
create mode 100644 meta/classes/image-buildinfo.bbclass
diff --git a/meta/classes/image-buildinfo.bbclass b/meta/classes/image-buildinfo.bbclass
new file mode 100644
index 0000000..d695d24
--- /dev/null
+++ b/meta/classes/image-buildinfo.bbclass
@@ -0,0 +1,76 @@
+#
+# Writes build information to target filesystem on /etc/build
+#
+# Copyright (C) 2014 Intel Corporation
+# Author: Alejandro Enedino Hernandez Samaniego <alejandro.hernandez at intel.com>
+#
+# Licensed under the MIT license, see COPYING.MIT for details
+#
+# Usage: add INHERIT += "image-buildinfo" to your conf file
+#
+# Desired variables to display
+# * If it is a list if values it must be present in both (e.g. IMAGE_FEATURES)
+
+IMAGE_BUILDINFO_VARS ?= "DISTRO DISTRO_VERSION IMAGE_FEATURES IMAGE_INSTALL"
+IMAGE_BUILDINFO_LVARS ?= "IMAGE_FEATURES IMAGE_INSTALL"
+
+# From buildhistory.bbclass
+def squashspaces(string):
+ import re
+ return re.sub("\s+", " ", string).strip()
+
+# From buildhistory.bbclass
+def outputvars(vars, listvars, d):
+ vars = vars.split()
+ listvars = listvars.split()
+ ret = ""
+ for var in vars:
+ value = d.getVar(var, True) or ""
+ if var in listvars:
+ value = squashspaces(value)
+ ret += "%s = %s\n" % (var, value)
+ return ret.rstrip('\n')
+
+# Gets git branch's status (clean or dirty)
+def get_layer_git_status(path):
+ f = os.popen("cd %s; git diff --stat 2>&1 | tail -n 1" % path)
+ data = f.read()
+ if f.close() is None:
+ if len(data) != 0:
+ return "-- modified"
+ return ""
+
+# Returns layer revisions along with their respective status
+def get_layer_revs(d):
+ layers = (d.getVar("BBLAYERS", True) or "").split()
+ medadata_revs = ["%-17s = %s:%s %s" % (os.path.basename(i), \
+ base_get_metadata_git_branch(i, None).strip(), \
+ base_get_metadata_git_revision(i, None), \
+ get_layer_git_status(i)) \
+ for i in layers]
+ return '\n'.join(medadata_revs)
+
+def buildinfo_target(d):
+ # Get context
+ if d.getVar('BB_WORKERCONTEXT', True) != '1':
+ return ""
+ # Single and list variables to be read
+ vars = (d.getVar("IMAGE_BUILDINFO_VARS", True) or "")
+ listvars = (d.getVar("IMAGE_BUILDINFO_LVARS", True) or "")
+ return outputvars(vars, listvars, d)
+
+# Write build information to target filesystem
+buildinfo () {
+cat > ${IMAGE_ROOTFS}${sysconfdir}/build << END
+-----------------------
+Build Configuration: |
+-----------------------
+${@buildinfo_target(d)}
+-----------------------
+Layer Revisions: |
+-----------------------
+${@get_layer_revs(d)}
+END
+}
+
+IMAGE_PREPROCESS_COMMAND += "buildinfo;"
--
1.9.1
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