mirror of
https://github.com/git/git
synced 2024-08-28 12:09:19 +00:00
![마누엘](/assets/img/avatar_default.png)
At least one interactive command writes a prompt to `stdout` and then reads user input on `stdin`: `git clean --interactive`. If the prompt is left in the buffer, the user will not realize the program is waiting for their input. So let's just flush `stdout` before reading the user's input. Signed-off-by: 마누엘 <nalla@hamal.uberspace.de> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
#include "cache.h"
|
|
#include "config.h"
|
|
#include "run-command.h"
|
|
#include "strbuf.h"
|
|
#include "prompt.h"
|
|
#include "compat/terminal.h"
|
|
|
|
static char *do_askpass(const char *cmd, const char *prompt)
|
|
{
|
|
struct child_process pass = CHILD_PROCESS_INIT;
|
|
const char *args[3];
|
|
static struct strbuf buffer = STRBUF_INIT;
|
|
int err = 0;
|
|
|
|
args[0] = cmd;
|
|
args[1] = prompt;
|
|
args[2] = NULL;
|
|
|
|
pass.argv = args;
|
|
pass.out = -1;
|
|
|
|
if (start_command(&pass))
|
|
return NULL;
|
|
|
|
strbuf_reset(&buffer);
|
|
if (strbuf_read(&buffer, pass.out, 20) < 0)
|
|
err = 1;
|
|
|
|
close(pass.out);
|
|
|
|
if (finish_command(&pass))
|
|
err = 1;
|
|
|
|
if (err) {
|
|
error("unable to read askpass response from '%s'", cmd);
|
|
strbuf_release(&buffer);
|
|
return NULL;
|
|
}
|
|
|
|
strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));
|
|
|
|
return buffer.buf;
|
|
}
|
|
|
|
char *git_prompt(const char *prompt, int flags)
|
|
{
|
|
char *r = NULL;
|
|
|
|
if (flags & PROMPT_ASKPASS) {
|
|
const char *askpass;
|
|
|
|
askpass = getenv("GIT_ASKPASS");
|
|
if (!askpass)
|
|
askpass = askpass_program;
|
|
if (!askpass)
|
|
askpass = getenv("SSH_ASKPASS");
|
|
if (askpass && *askpass)
|
|
r = do_askpass(askpass, prompt);
|
|
}
|
|
|
|
if (!r) {
|
|
const char *err;
|
|
|
|
if (git_env_bool("GIT_TERMINAL_PROMPT", 1)) {
|
|
r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
|
|
err = strerror(errno);
|
|
} else {
|
|
err = "terminal prompts disabled";
|
|
}
|
|
if (!r) {
|
|
/* prompts already contain ": " at the end */
|
|
die("could not read %s%s", prompt, err);
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int git_read_line_interactively(struct strbuf *line)
|
|
{
|
|
int ret;
|
|
|
|
fflush(stdout);
|
|
ret = strbuf_getline_lf(line, stdin);
|
|
if (ret != EOF)
|
|
strbuf_trim_trailing_newline(line);
|
|
|
|
return ret;
|
|
}
|