From 965ccb78cf5064780f606fc3da9f4af26be05807 Mon Sep 17 00:00:00 2001
From: Todd Gamblin <tgamblin@llnl.gov>
Date: Tue, 27 Oct 2020 00:13:09 -0700
Subject: sbang: use bashcov in sbang on Linux

---
 share/spack/qa/setup.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/share/spack/qa/setup.sh b/share/spack/qa/setup.sh
index 34b426dcd7..e614bae909 100755
--- a/share/spack/qa/setup.sh
+++ b/share/spack/qa/setup.sh
@@ -28,9 +28,14 @@ if [[ "$COVERAGE" == "true" ]]; then
 
     # bash coverage depends on some other factors
     mkdir -p coverage
-    cc_script="$SPACK_ROOT/lib/spack/env/cc"
     bashcov=$(realpath ${QA_DIR}/bashcov)
-    sed -i~ "s@#\!/bin/bash@#\!${bashcov}@" "$cc_script"
+
+    # instrument scripts requiring shell coverage
+    sed -i~ "s@#\!/bin/bash@#\!${bashcov}@" "$SPACK_ROOT/lib/spack/env/cc"
+    if [ "$(uname -o)" != "Darwin" ]; then
+        # On darwin, #! interpreters must be binaries, so no sbang for bashcov
+        sed -i~ "s@#\!/bin/sh@#\!${bashcov}@"   "$SPACK_ROOT/bin/sbang"
+    fi
 fi
 
 #
-- 
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