git-scp: sync the working copy with a remote host, respecting the .gitignores

git-scp

#!/usr/bin/env bash

#
# git-scp: sync the working copy with a remote host, respecting the .gitignores
#    usage: git scp devbox
#      where 'devbox' refers to a tracked remote. e.g.
#      git remote add devbox host:~/git/repo-name
#
#    installation: cp git-scp /usr/local/bin/git-scp && chmod +x /usr/local/bin/git-scp
#

set -eo pipefail
main(){
  remote="$1"
  [ -n "$remote" ] || die "[ERR] provide a remote name as first argument"
  git config remote.$remote.url &>/dev/null || die \
    "[ERR] missing remote: $remote" \
    "example: git remote add $remote host:~/git/repo-name"

  cd "$(git rev-parse --show-toplevel)"
  find . -path ./.git -prune -o -print \
      | git check-ignore --verbose --non-matching --stdin \
      | sed -n -e 's,^::[[:space:]]*,,p' | \
      rsync -av --files-from=- . "$(git config remote.$remote.url)/"
}

log(){ echo -e "$*" >&2; }
die(){ log "$*"; exit 1; }
main "$@"