elves / upgrade-scripts-for-0.7 Goto Github PK

fn commit-count {
  splits &sep="\t" (git rev-list --count --left-right "@{upstream}...HEAD" 2>/dev/null)
}

fn ahead {
  if (is-detached) {
    put detached; return
  }

  try {
    {commits-behind,commits-ahead} = (commit-count)
  } except {
    put none; return
  }

  if (== $commits-behind 0) {
    if (== $commits-ahead 0) {
      put none
    } else {
      put ahead
    }
  } else {
    if (== $commits-ahead 0) {
      put behind
    } else {
      put diverged
    }
  }
}

Exception: Compilation error: must be an lvalue 
  /home/vendion/.elvish/lib/git.elv, line 100:
        {commits-behind,commits-ahead} = (commit-count)
Traceback:
  /home/vendion/.elvish/rc.elv, line 8:
    use git