merge-octopus: use die shell function from git-sh-setup.sh

Source git-sh-setup in order to use die shell function from
git-sh-setup.sh library instead of using the one defined in
git-merge-octopus.sh. Remove the former die function.

Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-merge-octopus.sh b/git-merge-octopus.sh
index 89e967abece8329cb6a79140f6ca1a6a63bf1d07..d79fc84029293818e7baf14c414eaa3ca3989ac6 100755 (executable)
--- a/git-merge-octopus.sh
+++ b/git-merge-octopus.sh
@@ -5,16 +5,12 @@
 # Resolve two or more trees.
 #
 
+. git-sh-setup
 . git-sh-i18n
 
 LF='
 '
 
-die () {
-    echo >&2 "$*"
-    exit 1
-}
-
 # The first parameters up to -- are merge bases; the rest are heads.
 bases= head= remotes= sep_seen=
 for arg