115 lines
3.5 KiB
Fish
115 lines
3.5 KiB
Fish
function dot --wraps=git --description 'Manage dotfiles via a bare repo checked out over $HOME'
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set -l dotfiles_dir $HOME/.dotfiles
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if test "$argv[1]" = init
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set -e argv[1]
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__dot_init $dotfiles_dir $argv
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return $status
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end
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if test "$argv[1]" = help
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__dot_help
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return $status
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end
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set -l commands_dir $HOME/.config/dot/commands
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set -l command_file $commands_dir/$argv[1].fish
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if test -n "$argv[1]" -a -f "$command_file"
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source $command_file
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_dot_$argv[1] $argv[2..-1]
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return $status
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end
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git --git-dir=$dotfiles_dir --work-tree=$HOME $argv
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end
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# Kept inline (not a separate autoloaded function file) because this is the
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# only subcommand that must work before the dotfiles repo has been cloned.
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function __dot_init
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set -l dotfiles_dir $argv[1]
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set -e argv[1]
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argparse 'url=' -- $argv
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or return 1
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set -l url $_flag_url
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test -n "$url"; or set url ssh://gitea@git.alexion.dev:2022/alexion/dotfiles.git
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if test -e $dotfiles_dir
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echo "dot init: $dotfiles_dir already exists, refusing to re-initialize" >&2
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return 1
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end
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git clone --bare $url $dotfiles_dir
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or begin
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echo "dot init: failed to clone $url" >&2
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return 1
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end
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git --git-dir=$dotfiles_dir config status.showUntrackedFiles no
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set -l checkout_output (git --git-dir=$dotfiles_dir --work-tree=$HOME checkout 2>&1)
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set -l checkout_status $status
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if test $checkout_status -ne 0
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set -l conflicts
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set -l in_block 0
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for line in $checkout_output
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if test $in_block -eq 1
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if string match -rq '^\s' -- $line
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set -a conflicts (string trim -- $line)
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continue
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else
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set in_block 0
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end
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end
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string match -q '*would be overwritten by checkout:*' -- $line
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and set in_block 1
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end
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if test (count $conflicts) -eq 0
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echo "dot init: checkout failed and no recoverable conflicts were found:" >&2
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printf '%s\n' $checkout_output >&2
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return 1
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end
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set -l backup_dir $HOME/.dotfiles-backup/(date +%Y%m%dT%H%M%S)
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for f in $conflicts
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mkdir -p (path dirname $backup_dir/$f)
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mv $HOME/$f $backup_dir/$f
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echo "dot init: backed up ~/$f to $backup_dir/$f"
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end
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git --git-dir=$dotfiles_dir --work-tree=$HOME checkout
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or begin
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echo "dot init: checkout still failing after backing up conflicts, aborting" >&2
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return 1
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end
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end
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echo "dot init: bootstrapped $dotfiles_dir from $url"
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end
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# The custom-subcommand glob is duplicated (not shared with
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# completions/dot.fish) because fish only autoloads a function from a file
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# named after that function; a shared helper would go undefined if `dot help`
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# ran in a completion context before `dot` itself had ever been sourced.
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function __dot_help
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echo "dot: manage dotfiles via a bare repo checked out over \$HOME"
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echo
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echo "Commands:"
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echo " init bootstrap the dotfiles repo on a new machine"
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echo " help show this message"
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for f in $HOME/.config/dot/commands/*.fish
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test -e $f; or continue
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echo " "(path basename $f | path change-extension '')
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end
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echo
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echo "Any other command is passed through to git (dot status, dot add, dot commit, dot push, ...)."
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end
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