[PATCH 1/2] test-lib: factor out $GIT_UNZIP setup

[Jeff King <peff@peff.net>]

We set up the $GIT_UNZIP variable and lazy prereq in
multiple places (and the next patch is about to add another
one). Let's factor it out to avoid repeating ourselves.

Signed-off-by: Jeff King <peff@peff.net>
---
 t/t0024-crlf-archive.sh | 6 ------
 t/t5003-archive-zip.sh  | 6 ------
 t/test-lib.sh           | 6 ++++++
 3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/t/t0024-crlf-archive.sh b/t/t0024-crlf-archive.sh
index 5378787..4e9fa3c 100755
--- a/t/t0024-crlf-archive.sh
+++ b/t/t0024-crlf-archive.sh
@@ -3,12 +3,6 @@ test_description='respect crlf in git archive'
 test_description='respect crlf in git archive'
 
 . ./test-lib.sh
-GIT_UNZIP=${GIT_UNZIP:-unzip}
-
-test_lazy_prereq UNZIP '
-	"$GIT_UNZIP" -v
-	test $? -ne 127
-'
 
 test_expect_success setup '
 
diff --git a/t/t5003-archive-zip.sh b/t/t5003-archive-zip.sh
index 7cfe9ca..0f5b42b 100755
--- a/t/t5003-archive-zip.sh
+++ b/t/t5003-archive-zip.sh
@@ -3,15 +3,9 @@ SUBSTFORMAT=%H%n
 test_description='git archive --format=zip test'
 
 . ./test-lib.sh
-GIT_UNZIP=${GIT_UNZIP:-unzip}
 
 SUBSTFORMAT=%H%n
 
-test_lazy_prereq UNZIP '
-	"$GIT_UNZIP" -v
-	test $? -ne 127
-'
-
 test_lazy_prereq UNZIP_SYMLINKS '
 	(
 		mkdir unzip-symlinks &&
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 9e7f6b4..1f51025 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -760,3 +760,9 @@ test -w / || test_set_prereq SANITY
 # When the tests are run as root, permission tests will report that
 # things are writable when they shouldn't be.
 test -w / || test_set_prereq SANITY
+
+GIT_UNZIP=${GIT_UNZIP:-unzip}
+test_lazy_prereq UNZIP '
+	"$GIT_UNZIP" -v
+	test $? -ne 127
+'
-- 
1.8.2.rc3.4.gc6ed371