tg-files.sh

   1 #!/bin/sh
   2 # TopGit - A different patch queue manager
   3 # Copyright (C) Petr Baudis <pasky@suse.cz>  2008
   4 # Copyright (C) 2021 Kyle J. McKay <mackyle@gmail.com>
   5 # All rights reserved
   6 # GPLv2
   7
   8 USAGE="\
   9 Usage: ${tgname:-tg} [...] files [-i | -w] [<name>]
  10 Options:
  11     -i                  use TopGit metadata from index instead of HEAD branch
  12     -w                  use metadata from working directory instead of branch"
  13
  14 usage()
  15 {
  16         if [ "${1:-0}" != 0 ]; then
  17                 printf '%s\n' "$USAGE" >&2
  18         else
  19                 printf '%s\n' "$USAGE"
  20         fi
  21         exit ${1:-0}
  22 }
  23
  24 name=
  25 head_from=
  26
  27 ## Parse options
  28
  29 while [ -n "$1" ]; do
  30         arg="$1"; shift
  31         case "$arg" in
  32         -h|--help)
  33                 usage;;
  34         -i|-w)
  35                 [ -z "$head_from" ] || die "-i and -w are mutually exclusive"
  36                 head_from="$arg";;
  37         -*)
  38                 usage 1;;
  39         *)
  40                 [ -z "$name" ] || die "name already specified ($name)"
  41                 name="$arg";;
  42         esac
  43 done
  44
  45 head="$(git symbolic-ref -q HEAD)" || :
  46 head="${head#refs/heads/}"
  47
  48 [ -n "$name" ] ||
  49         name="${head:-HEAD}"
  50 v_verify_topgit_branch name "$name"
  51 base_rev="$(git rev-parse --short --verify "refs/$topbases/$name^0" -- 2>/dev/null)" ||
  52         die "not a TopGit-controlled branch"
  53
  54 if [ -n "$head_from" ] && [ "$name" != "$head" ]; then
  55         die "$head_from makes only sense for the current branch"
  56 fi
  57
  58 [ -z "$head_from" ] || ensure_work_tree
  59
  60 v_pretty_tree b_tree -t "$name" -b
  61 v_pretty_tree t_tree -t "$name" $head_from
  62
  63 git diff-tree --name-only -r $b_tree $t_tree