legacy-dotfiles/zsh/.zsh/functions/update_current_git_vars
2014-08-21 00:14:54 +02:00

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# -*- mode: Shell-script -*-
unset __CURRENT_GIT_BRANCH
unset __CURRENT_GIT_BRANCH_STATUS
unset __CURRENT_GIT_BRANCH_IS_DIRTY
local st="$(git status 2>/dev/null)"
if [[ -n "$st" ]]; then
local -a arr
arr=(${(f)st})
if [[ $arr[1] =~ 'Not currently on any branch.' ]]; then
__CURRENT_GIT_BRANCH='no-branch'
else
__CURRENT_GIT_BRANCH="${arr[1][(w)4]}"
fi
if [[ $arr[2] =~ 'Your branch is' ]]; then
if [[ $arr[2] =~ 'ahead' ]]; then
__CURRENT_GIT_BRANCH_STATUS='ahead'
elif [[ $arr[2] =~ 'devirged' ]]; then
__CURRENT_GIT_BRANCH_STATUS='diverged'
else
__CURRENT_GIT_BRANCH_STATUS='behind'
fi
fi
if [[ ! $st =~ 'nothing to commit' ]]; then
__CURRENT_GIT_BRANCH_IS_DIRTY='1'
fi
fi