Ok, Paul , Imy main reason to list those two was to put an example of "list" variables, but with that fix you mention, it won't be needed anymore, I agree and I'll rename outputvars and I will move squashspaces to oe.utils.

On 05/11/14 12:00, Paul Eggleton wrote:
Hi Alejandro,

We're getting there, thanks for your patience - just a few more tweaks:

On Tuesday 04 November 2014 12:09:13 Alejandro Hernandez wrote:
build information to target filesystem on /etc/build
Looks like the shortlog has been split over two lines here...

such as enabled layers, their current status and commit.

[YOCTO #6770]

Signed-off-by: Alejandro Hernandez <[email protected]>
---
  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
<[email protected]> +#
+# 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"
I'm not sure we really want IMAGE_FEATURES and IMAGE_INSTALL in the default
value; it seems to me at the moment the main usage for this is to help
determine the version of the build system & metadata that was used.

+IMAGE_BUILDINFO_LVARS ?= "IMAGE_FEATURES IMAGE_INSTALL"
I didn't think to use it when I wrote the original implementation, but it
turns out that at least for both of these two variables, they have a set type
i.e. from meta/classes/image.bbclass:

IMAGE_INSTALL[type] = "list"

So we could use d.getVarFlag(varname, 'type') to determine the type and then
we can avoid having to explicitly list them - could you please make this
change for this version of the function? (Let's leave fixing the buildhistory
version as a separate exercise for now.)

+# From buildhistory.bbclass
+def squashspaces(string):
+    import re
+    return re.sub("\s+", " ", string).strip()
To be honest I had thought squashspaces() would still be moved to oe.utils
since this function is generic.

+# 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')
I've just realised, if we're inheriting both this class and buildhistory
globally and these have the same name, that might be a problem. Can we rename
this version to something lime image_buildinfo_outputvars?

Thanks,
Paul


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