classes/buildhistory: squash spaces out of image variables

Values of image variables that are lists (e.g. IMAGE_INSTALL) are easier
to read if there are no extraneous spaces in them, so ensure that there
is only one space between each item.

(From OE-Core rev: 200159125eb6bcfc046c45cf5160b2eb340625e3)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 12 insertions, 4 deletions

diff --git a/meta/classes/buildhistory.bbclass b/meta/classes/buildhistory.bbclass
index 1b6b2493e4..d1a9670c29 100644
--- a/meta/classes/buildhistory.bbclass
+++ b/meta/classes/buildhistory.bbclass
@@ -123,9 +123,6 @@ python buildhistory_emit_pkghistory() {
                 except EnvironmentError:
                         return None
 
-        def squashspaces(string):
-                return re.sub("\s+", " ", string)
-
         def sortpkglist(string):
                 pkgiter = re.finditer(r'[a-zA-Z0-9.-]+( \([><=]+ [^ )]+\))?', string, 0)
                 pkglist = [p.group(0) for p in pkgiter]
@@ -349,12 +346,23 @@ def buildhistory_get_layers(d):
         return layertext
 
 
+def squashspaces(string):
+        import re
+        return re.sub("\s+", " ", string).strip()
+
+
 def buildhistory_get_imagevars(d):
         imagevars = "DISTRO DISTRO_VERSION USER_CLASSES IMAGE_CLASSES IMAGE_FEATURES IMAGE_LINGUAS IMAGE_INSTALL BAD_RECOMMENDATIONS ROOTFS_POSTPROCESS_COMMAND IMAGE_POSTPROCESS_COMMAND"
+        listvars = "USER_CLASSES IMAGE_CLASSES IMAGE_FEATURES IMAGE_LINGUAS IMAGE_INSTALL BAD_RECOMMENDATIONS"
 
+        imagevars = imagevars.split()
+        listvars = listvars.split()
         ret = ""
-        for var in imagevars.split():
+        for var in imagevars:
                 value = d.getVar(var, True) or ""
+                if var in listvars:
+                        # Squash out spaces
+                        value = squashspaces(value)
                 ret += "%s = %s\n" % (var, value)
         return ret.rstrip('\n')