tg-mail: accept -i/-w

[topgit.git] / tg-mail.sh

diff --git a/tg-mail.sh b/tg-mail.sh
index dd4a95a74ad9e47ed39dbff05f5f5d53993981e7..17ce02c9f4a904724d802a825e42a22c2aa61a62 100644 (file)
--- a/tg-mail.sh
+++ b/tg-mail.sh
@@ -3,6 +3,7 @@
 # GPLv2
 
 name=
+head_from=
 send_email_args=
 in_reply_to=
 
@@ -12,12 +13,15 @@ in_reply_to=
 while [ -n "$1" ]; do
        arg="$1"; shift
        case "$arg" in
+       -i|-w)
+               [ -z "$head_from" ] || die "-i and -w are mutually exclusive"
+               head_from="$arg";;
        -s)
                send_email_args="$1"; shift;;
        -r)
                in_reply_to="$1"; shift;;
        -*)
-               echo "Usage: tg [...] mail [-s SEND_EMAIL_ARGS] [-r REFERENCE_MSGID] [NAME]" >&2
+               echo "Usage: tg [...] mail [-s SEND_EMAIL_ARGS] [-r REFERENCE_MSGID] [-i | -w] [NAME]" >&2
                exit 1;;
        *)
                [ -z "$name" ] || die "name already specified ($name)"
@@ -25,7 +29,8 @@ while [ -n "$1" ]; do
        esac
 done
 
-[ -n "$name" ] || name="$(git symbolic-ref HEAD | sed 's#^refs/heads/##')"
+head="$(git symbolic-ref HEAD | sed 's#^refs/heads/##')"
+[ -n "$name" ] || name="$head"
 base_rev="$(git rev-parse --short --verify "refs/top-bases/$name" 2>/dev/null)" ||
        die "not a TopGit-controlled branch"
 
@@ -36,7 +41,8 @@ fi
 
 patchfile="$(get_temp tg-mail)"
 
-$tg patch "$name" >"$patchfile"
+# let tg patch sort out whether $head_from makes sense for $name
+$tg patch "$name" $head_from >"$patchfile"
 
 header="$(sed -e '/^$/,$d' -e "s,','\\\\'',g" "$patchfile")"