Andrew's git - gitweb.git/blob

   1#include "cache.h"
   2#include "run-command.h"
   3#include "strbuf.h"
   4#include "prompt.h"
   5#include "compat/terminal.h"
   6
   7static char *do_askpass(const char *cmd, const char *prompt)
   8{
   9        struct child_process pass;
  10        const char *args[3];
  11        static struct strbuf buffer = STRBUF_INIT;
  12
  13        args[0] = cmd;
  14        args[1] = prompt;
  15        args[2] = NULL;
  16
  17        memset(&pass, 0, sizeof(pass));
  18        pass.argv = args;
  19        pass.out = -1;
  20
  21        if (start_command(&pass))
  22                exit(1);
  23
  24        strbuf_reset(&buffer);
  25        if (strbuf_read(&buffer, pass.out, 20) < 0)
  26                die("failed to get '%s' from %s\n", prompt, cmd);
  27
  28        close(pass.out);
  29
  30        if (finish_command(&pass))
  31                exit(1);
  32
  33        strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));
  34
  35        return buffer.buf;
  36}
  37
  38char *git_prompt(const char *prompt, int flags)
  39{
  40        char *r;
  41
  42        if (flags & PROMPT_ASKPASS) {
  43                const char *askpass;
  44
  45                askpass = getenv("GIT_ASKPASS");
  46                if (!askpass)
  47                        askpass = askpass_program;
  48                if (!askpass)
  49                        askpass = getenv("SSH_ASKPASS");
  50                if (askpass && *askpass)
  51                        return do_askpass(askpass, prompt);
  52        }
  53
  54        r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
  55        if (!r)
  56                die_errno("could not read '%s'", prompt);
  57        return r;
  58}
  59
  60char *git_getpass(const char *prompt)
  61{
  62        return git_prompt(prompt, PROMPT_ASKPASS);
  63}