[OE-core] [PATCH] os-release: remove double-quotes around VERSION_ID value

[Dmitry Rozhkov]

man 5 os-release states that VERSION_ID is

"
a lower-case string (mostly numeric, no spaces or other
characters outside of 0-9, a-z, ".", "_" and "-")
identifying the operating system version
"

This becomes crucial when ClearLinux's software
update mechanism is integrated into builds, because
its client side ignores VERSION_ID's value if it
doesn't conform the definition.

Signed-off-by: Dmitry Rozhkov <dmitry.rozhkov at intel.com>
---
 meta/recipes-core/os-release/os-release.bb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/os-release/os-release.bb b/meta/recipes-core/os-release/os-release.bb
index df19ca2..1f0df9e 100644
--- a/meta/recipes-core/os-release/os-release.bb
+++ b/meta/recipes-core/os-release/os-release.bb
@@ -29,7 +29,11 @@ python do_compile () {
         for field in d.getVar('OS_RELEASE_FIELDS', True).split():
             value = d.getVar(field, True)
             if value:
-                f.write('{0}="{1}"\n'.format(field, value))
+                if field == "VERSION_ID":
+                    format_str = '{0}={1}\n'
+                else:
+                    format_str = '{0}="{1}"\n'
+                f.write(format_str.format(field, value))
     if d.getVar('RPM_SIGN_PACKAGES', True) == '1':
         rpm_gpg_pubkey = d.getVar('RPM_GPG_PUBKEY', True)
         bb.utils.mkdirhier('${B}/rpm-gpg')
-- 
2.5.0

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