define-command gitui -params .. %{
  terminal-singleton git \
    env "GIT_EDITOR=kak -c %val{session}" \
    'EDITOR=kcr edit' \
    'VISUAL=kcr edit' \
    gitu %arg{@}
}

declare-user-mode git
map global user g ': enter-user-mode git<ret>' -docstring 'Git mode'
map global git s ': gitui<ret>' -docstring 'Git tui'
map global git A ': git add %val{buffile}<ret>' -docstring 'Add file'
map global git m ': git-line-blame<ret>' -docstring 'Blame selection lines'
map global git M ': git-file-blame<ret>' -docstring 'Blame buffer file'
map global git l ': git-link<ret>' -docstring 'Open remote link to selection in file'

# diff
declare-user-mode git-d
map global git d ': enter-user-mode git-d<ret>' -docstring 'Diff mode'
map global git-d d ': git-open-diff<ret>' -docstring 'Open staged files'
map global git-d c ': git-open-commit<ret>' -docstring 'Open files changed in last commit'
map global git-d x ': git-grep-conflict-markers<ret>' -docstring 'Find conflicts'
map global git-d b ': git-diff-base-branch<ret>' -docstring 'Show diff against base branch'
define-command git-grep-conflict-markers %{ grep <<<< }

# rebase
declare-user-mode git-r
map global git r ': enter-user-mode git-r<ret>' -docstring 'Git re(base/set) mode'
map global git-r f ': git reset HEAD^1 -- %val{buffile}<ret>' -docstring 'Split file out of last commit'

# Hunk
map global git n ': git next-hunk<ret>' -docstring 'Next hunk'
map global git p ': git prev-hunk<ret>' -docstring 'Previous hunk'
map global git h ': git-toggle-diff<ret>' -docstring 'Toggle hunk indicators'

# Objects
map global object m %{c^[<lt>=]{4\,}[^\n]*\n,^[<gt>=]{4\,}[^\n]*\n<ret>} -docstring 'conflict markers'

set-option global git_diff_add_char "+"
set-option global git_diff_del_char "-"
set-option global git_diff_mod_char "~"
set-option global git_diff_top_char "^"

define-command git-toggle-diff %{
  try %{ remove-highlighter window/git-diff } catch %{ git show-diff } catch %{ }
}

define-command git-line-blame %{
  terminal-singleton git-blame sh -c \
    "git -p log -u -L '%sh{echo ""$kak_selection_desc"" | sed -E 's/\.[0-9]+//g'}:%val{buffile}' --color=always | delta"
}

define-command git-file-blame %{ terminal-singleton git-blame gitu blame %val{buffile} }

define-command git-open-diff -params 0..1 %{
  eval %sh{ git diff --name-only "${1:-HEAD}" | sed 's/^/edit /' }
}
define-command git-open-commit -params 0..1 %{
  eval %sh{ git show --name-only --pretty="" "$@" | sed 's/^/edit /' }
}
define-command git-diff-base-branch -params 0..1 %{
  info %sh{ echo "origin/$("$kak_config/scripts/git.clj" base-branch)" }
  terminal-singleton git-diff git diff %sh{ echo "origin/$("$kak_config/scripts/git.clj" base-branch)" }
}

define-command git-link %{
  eval %sh{
    line_start=${kak_selection_desc%%.*}
    tmp=${kak_selection_desc#*,}
    line_end=${tmp%%.*}
    link=$("$kak_config/scripts/git.clj" link "$kak_buffile" "$line_start" "$line_end")
    xdg-open "$link" || true >/dev/null
    echo "info '$link'"
  }
}

# # enable flag-lines hl for git diff
# hook global WinCreate .* %{
#   add-highlighter window/git-diff flag-lines Default git_diff_flags
# }
# # trigger update diff if inside git dir
# hook global BufOpenFile .* %{
#   evaluate-commands -draft %sh{
#     cd $(dirname "$kak_buffile")
#     if [ $(git rev-parse --git-dir 2>/dev/null) ]; then
#       for hook in WinCreate BufReload BufWritePost; do
#         printf "hook buffer -group git-update-diff $hook .* 'git update-diff'\n"
#       done
#     fi
#   }
# }