Fix lint.sh (#2030)

lint.sh

@@ -26,25 +26,15 @@ while [[ $# -gt 0 ]]; do
     esac
 done
 
-set -o xtrace
-
 # Use Python virtual env for all programs used here
 if [[ -z "${PWNDBG_VENV_PATH}" ]]; then
     PWNDBG_VENV_PATH="./.venv"
 fi
 
-# shfmt is not a Python program but a system binary
-# so let's hack it into the virtualenv
-# This is not great, but we can't add a single binary to $PATH
-SHFMT_PATH=$(which shfmt)
-if [[ ! -z "${SHFMT_PATH}" ]]; then
-    ln -s ${SHFMT_PATH} ${PWNDBG_VENV_PATH}/bin/shfmt 2> /dev/null || true
-fi
-
-# Override PATH because we don't want any system-level binaries to be used
-PATH="${PWNDBG_VENV_PATH}/bin/"
 source "${PWNDBG_VENV_PATH}/bin/activate"
 
+set -o xtrace
+
 LINT_FILES="pwndbg tests *.py"
 LINT_TOOLS="isort black ruff vermin mypy"
 
@@ -62,7 +52,7 @@ call_shfmt() {
         local SHFMT_FILES=$(find . -name "*.sh" -not -path "./.venv/*")
         # Indents are four spaces, binary ops can start a line, indent switch cases,
         # and allow spaces following a redirect
-        shfmt ${FLAGS} -i 4 -bn -ci -sr -d .
+        shfmt ${FLAGS} -i 4 -bn -ci -sr -d ${SHFMT_FILES}
     else
         echo "shfmt not installed, skipping"
     fi