From 2c887db80bc48fea1ffe5822c5b787b15ca65c04 Mon Sep 17 00:00:00 2001
From: Mark Allen <mrallen1@yahoo.com>
Date: Fri, 5 May 2017 11:17:09 -0500
Subject: Add a -f flag for balky mv

Some Linuxes get cranky when you try to move files
on top of an existing directory.  So we add the -f
flag to say it's ok to overwrite that old stuff.
---
 kerl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kerl b/kerl
index 885c11a..f15c139 100755
--- a/kerl
+++ b/kerl
@@ -526,7 +526,7 @@ do_normal_build()
         # github tarballs have a directory in the form of "otp[_-]TAGNAME"
         # Ericsson tarballs have the classic otp_src_RELEASE pattern
         # Standardize on Ericsson format because that's what the rest of the script expects
-        (cd "$UNTARDIRNAME" && tar xzf "$KERL_DOWNLOAD_DIR/$FILENAME.tar.gz" && mv ./* "$KERL_BUILD_DIR/$2/otp_src_$1")
+        (cd "$UNTARDIRNAME" && tar xzf "$KERL_DOWNLOAD_DIR/$FILENAME.tar.gz" && mv -f ./* "$KERL_BUILD_DIR/$2/otp_src_$1")
         rm -rf "$UNTARDIRNAME"
     fi
 
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