submodule: Fix t7400, t7405, t7406 for msysGit
[git/dscho.git] / prompt.c
blob72ab9de2f94be30eef9e41ced97580f7de48e0fc
1 #include "cache.h"
2 #include "run-command.h"
3 #include "strbuf.h"
4 #include "prompt.h"
5 #include "compat/terminal.h"
7 static char *do_askpass(const char *cmd, const char *prompt)
9 struct child_process pass;
10 const char *args[3];
11 static struct strbuf buffer = STRBUF_INIT;
13 args[0] = cmd;
14 args[1] = prompt;
15 args[2] = NULL;
17 memset(&pass, 0, sizeof(pass));
18 pass.argv = args;
19 pass.out = -1;
21 if (start_command(&pass))
22 exit(1);
24 strbuf_reset(&buffer);
25 if (strbuf_read(&buffer, pass.out, 20) < 0)
26 die("failed to get '%s' from %s\n", prompt, cmd);
28 close(pass.out);
30 if (finish_command(&pass))
31 exit(1);
33 strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));
35 return buffer.buf;
38 char *git_prompt(const char *prompt, int flags)
40 char *r;
42 if (flags & PROMPT_ASKPASS) {
43 const char *askpass;
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);
54 r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
55 if (!r)
56 die_errno("could not read '%s'", prompt);
57 return r;
60 char *git_getpass(const char *prompt)
62 return git_prompt(prompt, PROMPT_ASKPASS);