The cirros image was rebuilt against the 3.13.0-83 kernel, drivers e1000e, igbvf...

[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / buildroot-2015.05 / support / dependencies / check-host-tar.sh

diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/support/dependencies/check-host-tar.sh b/cirros-testvm/src-cirros/buildroot-2015.05/support/dependencies/check-host-tar.sh
new file mode 100755 (executable)
index 0000000..932d3c4
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/support/dependencies/check-host-tar.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+candidate="$1"
+
+tar=`which $candidate`
+if [ ! -x "$tar" ]; then
+       tar=`which tar`
+       if [ ! -x "$tar" ]; then
+               # echo nothing: no suitable tar found
+               exit 1
+       fi
+fi
+
+# Output of 'tar --version' examples:
+# tar (GNU tar) 1.15.1
+# tar (GNU tar) 1.25
+# bsdtar 2.8.3 - libarchive 2.8.3
+version=`$tar --version | head -n 1 | sed 's/^.*\s\([0-9]\+\.\S\+\).*$/\1/'`
+major=`echo "$version" | cut -d. -f1`
+minor=`echo "$version" | cut -d. -f2`
+bugfix=`echo "$version" | cut -d. -f3`
+version_bsd=`$tar --version | grep 'bsdtar'`
+if [ ! -z "${version_bsd}" ] ; then 
+  # mark as invalid version - not all command line options are available
+  major=0
+  minor=0
+fi
+
+# Minimal version = 1.17 (previous versions do not correctly unpack archives
+# containing hard-links if the --strip-components option is used).
+major_min=1
+minor_min=17
+if [ $major -gt $major_min ]; then
+       echo $tar
+else
+       if [ $major -eq $major_min -a $minor -ge $minor_min ]; then
+               echo $tar
+       else
+               # echo nothing: no suitable tar found
+               exit 1
+       fi
+fi