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Merge pull request #775 from stuckshut/fix_double_semicolon 

Check for empty PROMPT_COMMAND before appending preexec_invoke_cmd

Fixes #767
pull/778/head
Nils Winkler 2016-08-05 09:16:58 +02:00 committed by GitHub
parent 84379a4620 3b56275ef6
commit a3c482d8d9
1 changed files with 5 additions and 1 deletions
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6
lib/preexec.bash
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@ -122,7 +122,11 @@ function preexec_install () {
shopt -s extdebug > /dev/null 2>&1 shopt -s extdebug > /dev/null 2>&1
# Finally, install the actual traps. # Finally, install the actual traps.
PROMPT_COMMAND="${PROMPT_COMMAND};preexec_invoke_cmd" if [[ ! -z "${PROMPT_COMMAND// }" ]]; then
PROMPT_COMMAND="${PROMPT_COMMAND};preexec_invoke_cmd"
else
PROMPT_COMMAND="preexec_invoke_cmd"
fi
trap 'preexec_invoke_exec' DEBUG trap 'preexec_invoke_exec' DEBUG
} }