prompt: use git_terminal_prompt
[git/git.git] / prompt.c
1 #include "cache.h"
2 #include "run-command.h"
3 #include "strbuf.h"
4 #include "prompt.h"
5 #include "compat/terminal.h"
6
7 static 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
38 char *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
60 char *git_getpass(const char *prompt)
61 {
62 return git_prompt(prompt, PROMPT_ASKPASS);
63 }