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[Qemu-trivial] [PATCH] qemu-iotests: Fix error message if which(1) not i

From: Fam Zheng
Subject: [Qemu-trivial] [PATCH] qemu-iotests: Fix error message if which(1) not installed
Date: Tue, 18 Nov 2014 10:49:46 +0800

When which(1) is not installed, we complain "perl not found" because
it's the first set_prog_path check. The error message is misleading.

Fix it by adding a check for which(1) in the beginning.

Signed-off-by: Fam Zheng <address@hidden>
 tests/qemu-iotests/common.config | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/qemu-iotests/common.config b/tests/qemu-iotests/common.config
index bd6790b..9674f3a 100644
--- a/tests/qemu-iotests/common.config
+++ b/tests/qemu-iotests/common.config
@@ -73,6 +73,8 @@ _fatal()
     exit 1
+which -v &>/dev/null || _fatal "which not found"
 export PERL_PROG="`set_prog_path perl`"
 [ "$PERL_PROG" = "" ] && _fatal "perl not found"

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