test_cmp expect actual
'
+test_trace () {
+ expect="$1"
+ shift
+ GIT_TRACE=1 test-run-command "$@" run-command true 2>&1 >/dev/null | \
+ sed 's/.* run_command: //' >actual &&
+ echo "$expect true" >expect &&
+ test_cmp expect actual
+}
+
+test_expect_success 'GIT_TRACE with environment variables' '
+ test_trace "abc=1 def=2" env abc=1 env def=2 &&
+ test_trace "abc=2" env abc env abc=1 env abc=2 &&
+ test_trace "abc=2" env abc env abc=2 &&
+ (
+ abc=1 && export abc &&
+ test_trace "def=1" env abc=1 env def=1
+ ) &&
+ (
+ abc=1 && export abc &&
+ test_trace "def=1" env abc env abc=1 env def=1
+ ) &&
+ test_trace "def=1" env non-exist env def=1 &&
+ test_trace "abc=2" env abc=1 env abc env abc=2 &&
+ (
+ abc=1 def=2 && export abc def &&
+ test_trace "unset abc def;" env abc env def
+ ) &&
+ (
+ abc=1 def=2 && export abc def &&
+ test_trace "unset def; abc=3" env abc env def env abc=3
+ ) &&
+ (
+ abc=1 && export abc &&
+ test_trace "unset abc;" env abc=2 env abc
+ )
+'
+
test_done