Switch from using script(1) to a new custom utility, runpty. It turns out

[nmh] / test / install-mh / test-version-check

diff --git a/test/install-mh/test-version-check b/test/install-mh/test-version-check
index 406fc70a9a5b16bccfea43d6b40f9f7f31580a9e..2db8565b0a85836727077259ab78128eba7f64f9 100755 (executable)
--- a/test/install-mh/test-version-check
+++ b/test/install-mh/test-version-check
@@ -17,24 +17,15 @@ fi
 
 setup_test
 
 
 setup_test
 

-require_prog script
-

 actual="${MH_TEST_DIR}/test-version-check$$.actual"
 context="${MH_TEST_DIR}"/Mail/context
 version="Version: nmh-${MH_VERSION}"
 cmd="${MH_TEST_DIR}/Mail/cmd"
 actual="${MH_TEST_DIR}/test-version-check$$.actual"
 context="${MH_TEST_DIR}"/Mail/context
 version="Version: nmh-${MH_VERSION}"
 cmd="${MH_TEST_DIR}/Mail/cmd"

+runpty="${MH_OBJ_DIR}/test/runpty"

 
 

-if script -S /bin/sh 'echo OK' /dev/null 2>&1 | egrep 'OK' >/dev/null; then
-    #### script(1) uses -S to set the shell that it runs.
-    use_dash_S=1
-else
-    #### Assume that script(1) uses SHELL environment variable.
-    use_dash_S=0
-fi
-
-#### Run a command but don't wait for user input.  script(1) seems to do
-#### what we want by not waiting when run in the background.  But check
-#### that it makes the command look like it's connected to a terminal below.
+#### Run a command but don't wait for user input.  We switched from script(1)
+#### to our own utility, runpty.  Check that it makes the command look like
+#### it's connected to a terminal below.

 run_without_input() {
     #### Create a command to use as a shell for script.
     cat >"${cmd}" <<EOF
 run_without_input() {
     #### Create a command to use as a shell for script.
     cat >"${cmd}" <<EOF


@@ -43,19 +34,13 @@ $*
 EOF
     chmod +x "${cmd}"
 
 EOF
     chmod +x "${cmd}"
 

-    if [ ${use_dash_S} -eq 1 ]; then
-        script -S "${cmd}" "${actual}" >/dev/null &
-    else
-        SHELL="${cmd}" script "${actual}" >/dev/null &
-    fi
-
-    wait $!
+    "$runpty" "${actual}" "${cmd}"

 }
 
 }
 

-#### Ensure that script(1) makes the program look like it's connected to a
+#### Ensure that runpty makes the program look like it's connected to a

 #### terminal.  The welcome message code in sbr/utils.c needs that.
 #### terminal.  The welcome message code in sbr/utils.c needs that.

-run_without_input 'if test -t 0  &&  test -t 1  &&  test -t 2; then echo tty; fi'
-grep tty "${actual}" >/dev/null || test_skip "(script(1) doesn't simulate tty)"
+run_without_input 'if test -t 0  -a  -t 1  -a  -t 2; then echo tty; fi'
+grep tty "${actual}" >/dev/null || test_skip "runpty doesn't simulate tty"

 
 
 # Removing Version will trigger the welcome message.  (setup_test
 
 
 # Removing Version will trigger the welcome message.  (setup_test