Make it possible to do opkg update, even for the version

1 files changed, 33 insertions, 1 deletions

diff --git a/recipes-core/mlinux/mlinux-version.bb b/recipes-core/mlinux/mlinux-version.bb
index 85adfbb..0c68942 100644
--- a/recipes-core/mlinux/mlinux-version.bb
+++ b/recipes-core/mlinux/mlinux-version.bb
@@ -7,7 +7,7 @@ inherit mlinux_metadata_scm
 BB_DONT_CACHE = "1"
 
 PV = "${DISTRO_VERSION}_${MLINUX_METADATA_REVISION}"
-PR = "r2"
+PR = "r3"
 PE = "1"
 
 PACKAGES = "${PN}"
@@ -20,3 +20,35 @@ do_install() {
 	echo "Revision: ${MLINUX_METADATA_REVISION}" >> ${D}${sysconfdir}/mlinux-version
 	echo "${MLINUX_LAYERS}" > ${D}${sysconfdir}/mlinux-layers
 }
+
+image_version = "${@define_iv(d)}"
+
+def define_iv(d):
+    import subprocess
+    source_dir = d.getVar('TOPDIR',True) + "/.."
+    cmd = "git describe"
+    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True, cwd=source_dir)
+    out, err =  proc.communicate()
+    return out.decode("utf-8").rstrip()
+
+# For mLinux only, update the version on postinst
+# Should not affect Convergence.
+pkg_postinst_${PN}() {
+
+# Not for image builds
+  if [ -n "$D" ] ; then
+    return 0
+  fi
+
+# If this is mLinux, update the version
+  mlinux="^MultiTech Systems mLinux GNU/Linux$"
+  version="Version: "
+  if grep "${mlinux}" /etc/issue ; then
+    tmpf=$(mktemp)
+    cp -a /etc/issue $tmpf
+    sed -i "s/^${version}.*/${version}${image_version}/" ${tmpf}
+    if ! cmp /etc/issue ${tmpf} ; then
+      mv ${tmpf} /etc/issue
+    fi
+  fi
+}