Make scripts portable

`which -s` works on MacOS but not Ubuntu

acceptance.sh

@@ -16,4 +16,4 @@ brew install semgrep \
 
 pip install sarif-tools
 
-./statica WebGoat html
+./statica WebGoat html

tools.d/bearer

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
-which -s bearer || exit 1
+which bearer > /dev/null || exit 1
 source=$1
 
 tmpdir=$(mktemp -d)

tools.d/checkov

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
-which -s checkov || exit 1
+which checkov > /dev/null || exit 1
 
 source=$1
 

tools.d/churn

@@ -1,7 +1,6 @@
 #!/bin/bash
 
-#set -euo pipefail
-which -s git || exit 1
+which git > /dev/null || exit 1
 
 source=$1
 tmpdir=$(mktemp -d)

tools.d/depcheck

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
-which -s dependency-check || exit 1
+which dependency-check > /dev/null || exit 1
 
 source=$1
 

tools.d/jscpd

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
-which -s jscpd || exit 1
+which jscpd > /dev/null || exit 1
 npm ls -g | grep -q jscpd-sarif-reporter || exit 1
 
 MIN_LINES=15

tools.d/lizard

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
-which -s lizard || exit 1
+which lizard > /dev/null || exit 1
 
 source=$1
 tmpdir=$(mktemp -d)

tools.d/semgrep

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
-which -s semgrep  || exit 1
+which semgrep > /dev/null  || exit 1
 
 source=$1
 semgrep scan "${source}" --sarif

tools.d/trivy

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
-which -s trivy || exit 1
+which trivy > /dev/null || exit 1
 
 source=$1
 trivy -q --format sarif fs "${source}"