send-email: extract email-parsing code into a subroutine

diff --git a/git-bisect.sh b/git-bisect.sh
index 0138a8860e3779cf62210d8d54d2eada020be12f..54cbfecc5ab0531513ff9e069be55d74339ad427 100755 (executable)
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-USAGE='[help|start|bad|good|new|old|terms|skip|next|reset|visualize|replay|log|run]'
+USAGE='[help|start|bad|good|new|old|terms|skip|next|reset|visualize|view|replay|log|run]'
 LONG_USAGE='git bisect help
        print this long help message.
 git bisect start [--term-{old,good}=<term> --term-{new,bad}=<term>]
@@ -20,7 +20,7 @@ git bisect next
        find next bisection to test and check it out.
 git bisect reset [<commit>]
        finish bisection search and go back to commit.
-git bisect visualize
+git bisect (visualize|view)
        show bisect status in gitk.
 git bisect replay <logfile>
        replay bisection log.
@@ -450,6 +450,8 @@ bisect_replay () {
 bisect_run () {
        bisect_next_check fail
 
+       test -n "$*" || die "$(gettext "bisect run failed: no command provided.")"
+
        while true
        do
                command="$@"