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__git_ps1 ()
{
local git="$(which git)"
local g="$($git rev-parse --git-dir 2>/dev/null)"
if [ -n "$g" ]; then
local r
local b
if [ -d "$g/../.dotest" ]
then
if test -f "$g/../.dotest/rebasing"
then
r="|REBASE"
elif test -f "$g/../.dotest/applying"
then
r="|AM"
else
r="|AM/REBASE"
fi
b="$($git symbolic-ref HEAD 2>/dev/null)"
elif [ -f "$g/.dotest-merge/interactive" ]
then
r="|REBASE-i"
b="$(cat "$g/.dotest-merge/head-name")"
elif [ -d "$g/.dotest-merge" ]
then
r="|REBASE-m"
b="$(cat "$g/.dotest-merge/head-name")"
elif [ -f "$g/MERGE_HEAD" ]
then
r="|MERGING"
b="$($git symbolic-ref HEAD 2>/dev/null)"
else
if [ -f "$g/BISECT_LOG" ]
then
r="|BISECTING"
fi
if ! b="$($git symbolic-ref HEAD 2>/dev/null)"
then
if ! b="$($git describe --exact-match HEAD 2>/dev/null)"
then
b="$(cut -c1-7 "$g/HEAD")..."
fi
fi
fi
if [ -n "$1" ]; then
printf "$1" "${b##refs/heads/}$r"
else
printf " (%s)" "${b##refs/heads/}$r"
fi
fi
}
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