Protect from multiple prompt_command calls

arl / tmux-gitbar

Git in your tmux status bar

GNU General Public License v3.0

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Protect from multiple prompt_command calls #22

Closed arl closed 8 years ago

arl commented 8 years ago

Before modifying the $PROMPT_COMMAND, we check that it doesn't contain update-gitbar already. Use multiline strings for cosmetics considerations. Closes #21