[gnome-continuous-yocto/gnomeostree-3.28-rocko: 111/8267] ddimage: if 'pv' is installed, use it

[Emmanuele Bassi <ebassi src gnome org>]

commit 6e4b81777690a06a12a70e6dfc9fcac59dabe9f1
Author: Christopher Larson <chris_larson mentor com>
Date:   Mon Apr 25 21:56:18 2016 -0700

    ddimage: if 'pv' is installed, use it
    
    This gives us a progress bar for the image write, which is quite helpful. See
    https://www.ivarch.com/programs/pv.shtml.
    
    (From OE-Core rev: 5b20cb2db929daaf0bf81c05368174e9c364ffab)
    
    Signed-off-by: Christopher Larson <chris_larson mentor com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 scripts/contrib/ddimage |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/scripts/contrib/ddimage b/scripts/contrib/ddimage
index a503f11..ab92995 100755
--- a/scripts/contrib/ddimage
+++ b/scripts/contrib/ddimage
@@ -100,5 +100,9 @@ if [ "$RESPONSE" != "y" ]; then
 fi
 
 echo "Writing image..."
-dd if="$IMAGE" of="$DEVICE" bs="$BLOCKSIZE"
+if which pv >/dev/null 2>&1; then
+       pv "$IMAGE" | dd of="$DEVICE" bs="$BLOCKSIZE"
+else
+       dd if="$IMAGE" of="$DEVICE" bs="$BLOCKSIZE"
+fi
 sync