$ echo $ps1
+ echo

++ __git_ps1
++ local pcmode=no
++ local detached=no
++ local 'ps1pc_start=\u@\h:\w '
++ local 'ps1pc_end=\$ '
++ local 'printf_format= (%s)'
++ case "$#" in
++ printf_format=' (%s)'
++ local ps1_expanded=yes
++ '[' -z '' ']'
++ '[' -z '3.1.20(4)-release' ']'
++ shopt -q promptvars
++ local repo_info rev_parse_exit_code
+++ git rev-parse --git-dir --is-inside-git-dir --is-bare-repository --is-inside
-work-tree --short HEAD
++ repo_info=
++ rev_parse_exit_code=128
++ '[' -z '' ']'
++ '[' no = yes ']'
++ return