pclean: cleaning git diffs

[packages/rpm-build-tools.git] / bash-prompt.sh

diff --git a/bash-prompt.sh b/bash-prompt.sh
index b893fd9d3efefe8a0c96620eda5a2e7cc97bb581..ac09c25fb286603709608a9538b49b8786fda3e5 100644 (file)
--- a/bash-prompt.sh
+++ b/bash-prompt.sh
@@ -1,6 +1,9 @@
 # NOTE:
 # This code works known to work for bash
 
+# the code below requires bash 4.x, skip if earlier
+test ${BASH_VERSION%%.*} -lt 4 && return
+
 # To use it, source this file and set $PROMPT_COMMAND env var:
 # PROMPT_COMMAND=__bash_prompt_command
 
@@ -74,7 +77,7 @@ __bash_parse_git_branch() {
 }
 
 # cache requires bash 4.x
-declare -A __package_update_rpmversion_cache
+declare -A __package_update_rpmversion_cache=()
 __package_update_rpmversion() {
        # extract vars from cache
        set -- ${__package_update_rpmversion_cache[$PWD]}