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authorMazen Harake <[email protected]>2016-07-19 12:07:34 +0200
committerMazen Harake <[email protected]>2016-07-19 12:08:15 +0200
commitc39a0a4a0fa836e748afc471d052b9736fcd6b99 (patch)
tree992e90efc82f9e00762598225b8390db1c90f8e1 /kerl
parentf945409f2be7a13e714a6b99853f9f3e2f8fddad (diff)
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Fix Issue #22
Exit script if $HOME variable is empty or not set.
Diffstat (limited to 'kerl')
-rwxr-xr-xkerl5
1 files changed, 5 insertions, 0 deletions
diff --git a/kerl b/kerl
index e5f6c76..70b5d7b 100755
--- a/kerl
+++ b/kerl
@@ -29,6 +29,11 @@ GREP_OPTIONS=''
ERLANG_DOWNLOAD_URL="http://www.erlang.org/download"
+if [ -z "$HOME" ]; then
+ echo "Error: \$HOME is empty or not set." 1>&2
+ exit 1
+fi
+
# Default values
: ${OTP_GITHUB_URL:="https://github.com/erlang/otp"}
: ${KERL_BASE_DIR:="$HOME"/.kerl}