gsl

#!/bin/bash
# fzf search on the files in `git status` output.
# Uses fzf: https://github.com/junegunn/fzf
#
# Usage, e.g.:
#   gsl diff
#   gsl add
#   gsl checkout - check out files
#   gsl -b checkout - check out branches
#
# Use TAB to multiselect in `fzf`.

set -e

if [ "$#" -le 0 ]; then
  blog error "Missing git subcommand. Do you want 'gsl add'?";
  bashdoc "$BASH_SOURCE";
  exit 1;
fi

gitcommand=(git status --porcelain);
formatter=(sed 's/^...//'); # Trim leading chars.

# If `-b` flag is the first argument, operate on branches.
if [ "$1" = "-b" ]; then
  # Might want --sort=committerdate to sort by freshness.
  gitcommand=(git branch --format='%(refname:short)');
  formatter=(tee) # Noop.
  shift 1;
fi

ARGS=$(${gitcommand[@]} | ${formatter[@]} | fzf -m --preview 'git -c color.diff=always diff {}' )
set -x
git "${@:1}" $ARGS