tg-mail.sh

   1 #!/bin/sh
   2 # TopGit - A different patch queue manager
   3 # GPLv2
   4
   5 USAGE="\
   6 Usage: ${tgname:-tg} [...] mail [-s <send-email-args>] [-r <reference-msgid>] [-i | -w] [<name>]
   7 Options:
   8     -i                  use TopGit metadata from index instead of HEAD branch
   9     -w                  use metadata from working directory instead of branch"
  10
  11 usage()
  12 {
  13         if [ "${1:-0}" != 0 ]; then
  14                 printf '%s\n' "$USAGE" >&2
  15         else
  16                 printf '%s\n' "$USAGE"
  17         fi
  18         exit ${1:-0}
  19 }
  20
  21 name=
  22 head_from=
  23 send_email_args=
  24 in_reply_to=
  25
  26 ## Parse options
  27
  28 while [ -n "$1" ]; do
  29         arg="$1"; shift
  30         case "$arg" in
  31         -h|--help)
  32                 usage;;
  33         -i|-w)
  34                 [ -z "$head_from" ] || die "-i and -w are mutually exclusive"
  35                 head_from="$arg";;
  36         -s)
  37                 send_email_args="$1"; shift;;
  38         -r)
  39                 in_reply_to="$1"; shift;;
  40         -*)
  41                 usage 1;;
  42         *)
  43                 [ -z "$name" ] || die "name already specified ($name)"
  44                 name="$arg";;
  45         esac
  46 done
  47
  48 v_verify_topgit_branch name "${name:-HEAD}"
  49 base_rev="$(git rev-parse --short --verify "refs/$topbases/$name^0" -- 2>/dev/null)" ||
  50         die "not a TopGit-controlled branch"
  51
  52 if [ -n "$in_reply_to" ]; then
  53         send_email_args="$send_email_args --in-reply-to='$in_reply_to'"
  54 fi
  55
  56
  57 patchfile="$(get_temp tg-mail)"
  58
  59 [ -z "$head_from" ] || ensure_work_tree
  60
  61 # let tg patch sort out whether $head_from makes sense for $name
  62 tg patch "$name" $head_from >"$patchfile"
  63
  64 header="$(sed -e '/^$/,$d' -e "s,','\\\\'',g" "$patchfile")"
  65
  66
  67 from="$(echol "$header" | grep '^From:' | sed 's/From:\s*//')"
  68 to="$(echol "$header" | grep '^To:' | sed 's/To:\s*//')"
  69
  70
  71 people=
  72 [ -n "$from" ] && people="$people --from '$from'"
  73 # FIXME: there could be multiple To
  74 [ -n "$to" ] && people="$people --to '$to'"
  75
  76 # NOTE: git-send-email handles cc itself
  77 eval git send-email $send_email_args "$people" '"$patchfile"'