if exists("b:current_syntax")
    finish
endif

syntax match gitsidebarLabel     /\v^(Head|Push)\ze:/
syntax match gitsidebarBranch    /\v(^(Head|Push):\s+)@<=\S+/
syntax match gitsidebarAhead     /\v\+\d+/
syntax match gitsidebarBehind    /\v-\d+/

syntax region gitsidebarUntrackedHeader  start=/\v^Untracked>/ end=/\v^$/
syntax region gitsidebarUnstagedHeader   start=/\v^Unstaged>/  end=/\v^$/
syntax region gitsidebarStagedHeader     start=/\v^Staged>/    end=/\v^$/
syntax region gitsidebarUnmergedHeader   start=/\v^Unmerged>/  end=/\v^$/
syntax region gitsidebarUnpushedHeader   start=/\v^Unpushed>/  end=/\v^$/
syntax region gitsidebarUnpulledHeader   start=/\v^Unpulled>/  end=/\v^$/

syntax match gitsidebarUntrackedLabel    /\v^Untracked/  contained containedin=gitsidebarUntrackedHeader
syntax match gitsidebarUnstagedLabel     /\v^Unstaged/   contained containedin=gitsidebarUnstagedHeader
syntax match gitsidebarStagedLabel       /\v^Staged/     contained containedin=gitsidebarStagedHeader
syntax match gitsidebarUnmergedLabel     /\v^Unmerged/   contained containedin=gitsidebarUnmergedHeader
syntax match gitsidebarUnpushedLabel     /\v^Unpushed/   contained containedin=gitsidebarUnpushedHeader
syntax match gitsidebarUnpulledLabel     /\v^Unpulled/   contained containedin=gitsidebarUnpulledHeader

syntax match gitsidebarHeaderCount /\v\(\zs\d+\ze\)/ contained containedin=gitsidebarUntrackedHeader,
            \ gitsidebarUnstagedHeader,
            \ gitsidebarStagedHeader,
            \ gitsidebarUnmergedHeader,
            \ gitsidebarUnpushedHeader,
            \ gitsidebarUnpulledHeader

highlight default link gitsidebarLabel  Label
highlight default link gitsidebarBranch None
highlight default link gitsidebarAhead  GitUnpushed
highlight default link gitsidebarBehind GitUnpulled
highlight default link gitsidebarHeaderCount Number

highlight default link gitsidebarUntrackedLabel gitsidebarLabel
highlight default link gitsidebarUnstagedLabel gitsidebarLabel
highlight default link gitsidebarStagedLabel gitsidebarLabel
highlight default link gitsidebarUnmergedLabel gitsidebarLabel
highlight default link gitsidebarUnpushedLabel gitsidebarLabel
highlight default link gitsidebarUnpulledLabel gitsidebarLabel

let b:current_syntax = "gitsidebar"