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-rwxr-xr-xt/t0100-rack-input-hammer.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/t/t0100-rack-input-hammer.sh b/t/t0100-rack-input-hammer.sh
index 3e543b3..c333883 100755
--- a/t/t0100-rack-input-hammer.sh
+++ b/t/t0100-rack-input-hammer.sh
@@ -35,7 +35,7 @@ t_begin "all responses identical" && {
 }
 
 t_begin "sha1 matches on-disk sha1" && {
-        blob_sha1=$( expr "$(sha1sum < random_blob)" : '\([a-f0-9]\+\)')
+        blob_sha1=$( expr "$(sha1sum < random_blob)" : '\([a-f0-9]\{40\}\)')
         t_info blob_sha1=$blob_sha1
         test x"$blob_sha1" = x"$(sort < $curl_out | uniq)"
 }