- Use env to locate Bash interpreter

tests/run.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # tests/run.sh — run every tests/test_*.sh, report pass/fail.
 set -uo pipefail
 

tests/test_auto_at_placeholder.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Feature test: when the coverage binary is built from the cov-analysis driver
 # (it reads inputs from file arguments, not stdin) and the user forgot the @@
 # placeholder, cov-analysis must behave as if "<cmd> @@" had been given.

tests/test_build_environment.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_ci_workflow.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_command_model.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_commands.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # End-to-end integration test exercising every cov-analysis command against the
 # tests/test.c LLVMFuzzerTestOneInput target (a magic-value NULL-deref crash on
 # inputs of the form "FA$$$"). Gated on clang/llvm-cov/llvm-profdata/make; skips

tests/test_diff_line_states.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_diff_no_args.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Behavior test: `cov-analysis diff` with no arguments and no default reports in
 # the current directory prints help (exit 0) instead of erroring. When a default
 # report IS present, the original "report does not exist" error is preserved.

tests/test_driver.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_find_crash_timeout_files.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Verify find_crash_timeout_files emits the right set per layout.
 set -uo pipefail
 

tests/test_find_queue_files.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Verify find_queue_files emits the right set of paths per layout.
 set -uo pipefail
 

tests/test_find_tool.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Verify find_tool() selects the LLVM tool matching the chosen clang version.
 #
 # Regression: with CC=clang-22 selected, find_tool must return llvm-profdata-22

tests/test_install.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_large_argument_sets.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_layout_detection.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Verify detect_fuzzer_layout() correctly classifies each supported layout.
 set -uo pipefail
 

tests/test_llvm_version_hint.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_prerequisites.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_reachability.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Verify reachability-aware annotation of llvm-cov's own reports: cross coverage
 # with the fuzz-reachability tool's output and, in place,
 #   - tint each function's lines in the HTML file view (dark grey = unreachable,

tests/test_reachability_cpp_e2e.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # tests/test_reachability_cpp_e2e.sh — C++ keystone round-trip: fuzz-reachability's
 # static analysis of a deliberately adversarial C++ harness (every indirect-call
 # flavor, plus red-herring and genuinely-dead functions) cross-referenced against

tests/test_reachability_rust_e2e.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # tests/test_reachability_rust_e2e.sh — keystone round-trip: fuzz-reachability's
 # static analysis of a real Rust staticlib, cross-referenced against a real
 # `-Cinstrument-coverage` build replayed through llvm-cov, via cov-analysis's

tests/test_reachability_rust_v0_e2e.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_reachability_ziggy_e2e.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # tests/test_reachability_ziggy_e2e.sh — cargo-ziggy keystone round-trip:
 # fuzz-reachability analyses a real cargo-ziggy fuzz target (rooted at `main` via
 # the `ziggy::fuzz!` closure, the ziggy entry) with `--lang ziggy --mangling v0`,

tests/test_report_transaction.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_rust_llvm_toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_search.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Tests for the `search` subcommand: pure helpers (always) + an integration
 # test gated on clang/llvm-cov (skipped cleanly when the toolchain is absent).
 set -uo pipefail

tests/test_search_crash_only.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_stability_executed_lines.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."

tests/test_stability_resilience.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Regression test: a single failed pass must NOT abort the whole stability run.
 #
 # Reproduces the reported bug "llvm-profdata merge failed for pass 4" aborting

tests/test_timeout_enforcement.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -uo pipefail
 
 cd "$(dirname "$0")/.."