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tag: v1.7.9.1
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Octocat-spinner-32-eaf2f5

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#include "cache.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;
const char *args[3];
static struct strbuf buffer = STRBUF_INIT;

args[0] = cmd;
args[1] = prompt;
args[2] = NULL;

memset(&pass, 0, sizeof(pass));
pass.argv = args;
pass.out = -1;

if (start_command(&pass))
exit(1);

strbuf_reset(&buffer);
if (strbuf_read(&buffer, pass.out, 20) < 0)
die("failed to get '%s' from %s\n", prompt, cmd);

close(pass.out);

if (finish_command(&pass))
exit(1);

strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));

return buffer.buf;
}

char *git_prompt(const char *prompt, int flags)
{
char *r;

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)
return do_askpass(askpass, prompt);
}

r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
if (!r)
die_errno("could not read '%s'", prompt);
return r;
}

char *git_getpass(const char *prompt)
{
return git_prompt(prompt, PROMPT_ASKPASS);
}
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