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Handle another edge case in $PROMPT_COMMAND. #154

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Handle another edge case in $PROMPT_COMMAND. #154

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6 changes: 4 additions & 2 deletions bash-preexec.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -328,8 +328,10 @@ __bp_install() {
existing_prompt_command="${PROMPT_COMMAND:-}"
# Edge case of appending to PROMPT_COMMAND
existing_prompt_command="${existing_prompt_command//$__bp_install_string/:}" # no-op
existing_prompt_command="${existing_prompt_command//$'\n':$'\n'/$'\n'}" # remove known-token only
existing_prompt_command="${existing_prompt_command//$'\n':;/$'\n'}" # remove known-token only
# Remove some known no-op patterns.
existing_prompt_command="${existing_prompt_command//$'\n':$'\n'/$'\n'}"
existing_prompt_command="${existing_prompt_command//$'\n':;/$'\n'}"
existing_prompt_command="${existing_prompt_command%$'\n':}"
__bp_sanitize_string existing_prompt_command "$existing_prompt_command"
if [[ "${existing_prompt_command:-:}" == ":" ]]; then
existing_prompt_command=
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