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am: read interactive input from stdin

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In the conversion of git-am from shell script to C, we switched to using
git_prompt(). Unlike the original shell command "read reply", this
doesn't read from stdin at all, but rather from /dev/tty.

In most cases this distinction wouldn't matter. We require (as the shell
script did) that stdin is a tty, so they would generally be the same
thing. But one important exception is our test suite: even with
test_terminal, we cannot test "am --interactive" because it insists on
reading from /dev/tty, not the pseudo-tty we've set up in the test
script.

Fixing this clears the way to adding tests in a future patch.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2019-05-20 08:09:26 -04:00 committed by Junio C Hamano
parent 1db65f324e
commit 97387c8bdd
1 changed files with 4 additions and 2 deletions
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6
builtin/am.c
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@ -1644,7 +1644,7 @@ static int do_interactive(struct am_state *state)
die(_("cannot be interactive without stdin connected to a terminal."));
for (;;) {
const char *reply;
char reply[64];
puts(_("Commit Body is:"));
puts("--------------------------");
@ -1656,7 +1656,9 @@ static int do_interactive(struct am_state *state)
* in your translation. The program will only accept English
* input at this point.
*/
reply = git_prompt(_("Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all: "), PROMPT_ECHO);
printf(_("Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all: "));
if (!fgets(reply, sizeof(reply), stdin))
die("unable to read from stdin; aborting");
if (*reply == 'y' || *reply == 'Y') {
return 0;