Only initialize REPO_SOURCE_DATA if Bash supports associative arrays.

We already bail out if the user tries to clone using wget.  This
commit just avoids pestering the user with the 'declare' error
message.

diff --git a/dotfiles.sh b/dotfiles.sh
index 6571f98e505c4a758d8c5e12263d33b09c04fbe6..acaf3c39946badc82725c9f4825a664fdfdbdf8f 100755 (executable)
--- a/dotfiles.sh
+++ b/dotfiles.sh
@@ -114,7 +114,10 @@ function list_files()
 }
 
 # Global variable to allow passing associative arrats between functions
-declare -A REPO_SOURCE_DATA
+
+if [ "${BASH_MAJOR}" -ge 4 ]; then
+       declare -A REPO_SOURCE_DATA
+fi
 
 function set_repo_source()
 {