change: remove realpath

.github/workflows/build-and-test.yml

@@ -17,9 +17,6 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: true
-      - name: Install realpath
-        if: ${{ startsWith(matrix.os, 'macos') }}
-        run: brew install coreutils
       - name: Build
         run: make
       - name: Test

tests/run

@@ -95,7 +95,7 @@ ORIGINAL_DIR="$(pwd)"
 SCRIPT_DIR="$(dirname "$0")"
 
 # Get the absolute path to the given binary
-IMGCAT="$(realpath "$1")"
+IMGCAT="$(cd "$(dirname -- "$1")" >/dev/null && pwd -P)/$(basename -- "$1")"
 ANY_IMAGE=img/1px_256.png
 
 ANSI_RED="$(tput setaf 1)"
@@ -152,7 +152,7 @@ _add_failure() {
 }
 
 # Can't specify command line redirection in assert commands,
-# so use this to do it for use.
+# but this will do it:
 pipe() {
     local filename="$1"; shift;
     <"$filename" "$@"