fix(posix): get rid of unportable sed usages to support macOS

bin/compile

@@ -97,7 +97,7 @@ fi
 
 if [ -z "${PYTHON_RUNTIME_VERSION:-}" ] ; then
     log "Read Python version from poetry.lock"
-    PYTHON_RUNTIME_VERSION="$(sed -n -e '/^\[metadata\]/,/^\[/p' poetry.lock | sed -n -e 's/^python-versions\s*=\s*//p' | tr -d \"'[:space:]'\')"
+    PYTHON_RUNTIME_VERSION="$(sed -n -e '/^\[metadata\]/,/^\[/p' poetry.lock | sed -n -e 's/^python-versions[[:space:]]*=[[:space:]]*//p' | tr -d \"'[:space:]'\')"
 else
     log "Force Python version to $PYTHON_RUNTIME_VERSION, because PYTHON_RUNTIME_VERSION is set!"
 fi

test/test-compile

@@ -12,9 +12,8 @@ run_test no_vars_success compile "$INPUT_DIR" CACHE_DIR fixtures/env_dir
 cp fixtures/poetry.lock-valid_exact_version_specifier "$INPUT_DIR"/poetry.lock
 run_test exact_version_specifier compile "$INPUT_DIR" CACHE_DIR fixtures/env_dir
 
-cp fixtures/poetry.lock-valid "$INPUT_DIR"/poetry.lock
 # add trailing space to python-versions to test if it will be removed
-sed -i 's/^python-versions.*/& /g' "$INPUT_DIR"/poetry.lock
+sed -e 's/^python-versions.*/& /g' fixtures/poetry.lock-valid > "$INPUT_DIR"/poetry.lock
 run_test trailing_space compile "$INPUT_DIR" CACHE_DIR fixtures/env_dir
 
 cp fixtures/poetry.lock-valid "$INPUT_DIR"/poetry.lock