From a06b583334058f2e254ae85de6bdc581c122267f Mon Sep 17 00:00:00 2001
From: Adam Wright <aawright@google.com>
Date: Thu, 18 Feb 2016 01:27:07 -0800
Subject: [PATCH] Also check existence of shasum

---
 hooks/pre-commit | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/hooks/pre-commit b/hooks/pre-commit
index e895800..ae144b9 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -78,6 +78,15 @@ else
 	exit 1
 fi
 
+printf "${PREFIX} Checking for shasum ... "
+command -v shasum &>/dev/null
+if [ $? == 0 ]; then
+	printf "${SUCCESS}\n"
+else
+	printf "${FAILURE}\n"
+	exit 1
+fi
+
 # Just check that running rustfmt doesn't do anything to the file. I do this instead of
 # modifying the file because I don't want to mess with the developer's index, which may
 # not only contain discrete files.
@@ -103,6 +112,4 @@ else
 	printf "${SUCCESS}\n"
 fi
 
-if [ ${FAILED} != 0 ]; then
-	exit 1
-fi
+exit ${FAILED}