Raw
1 #define USE_THE_REPOSITORY_VARIABLE
2
3 #include "git-compat-util.h"
4 #include "parse.h"
5 #include "environment.h"
6 #include "repository.h"
7 #include "run-command.h"
8 #include "strbuf.h"
9 #include "prompt.h"
10 #include "compat/terminal.h"
11
12 static char *do_askpass(const char *cmd, const char *prompt)
13 {
14 struct child_process pass = CHILD_PROCESS_INIT;
15 static struct strbuf buffer = STRBUF_INIT;
16 int err = 0;
17
18 strvec_push(&pass.args, cmd);
19 strvec_push(&pass.args, prompt);
20
21 pass.out = -1;
22
23 if (start_command(&pass))
24 return NULL;
25
26 strbuf_reset(&buffer);
27 if (strbuf_read(&buffer, pass.out, 20) < 0)
28 err = 1;
29
30 close(pass.out);
31
32 if (finish_command(&pass))
33 err = 1;
34
35 if (err) {
36 error("unable to read askpass response from '%s'", cmd);
37 strbuf_release(&buffer);
38 return NULL;
39 }
40
41 strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));
42
43 return buffer.buf;
44 }
45
46 char *git_prompt(const char *prompt, int flags)
47 {
48 char *r = NULL;
49
50 if (flags & PROMPT_ASKPASS) {
51 const char *askpass;
52
53 askpass = getenv("GIT_ASKPASS");
54 if (!askpass)
55 askpass = repo_config_values(the_repository)->askpass_program;
56 if (!askpass)
57 askpass = getenv("SSH_ASKPASS");
58 if (askpass && *askpass)
59 r = do_askpass(askpass, prompt);
60 }
61
62 if (!r) {
63 const char *err;
64
65 if (git_env_bool("GIT_TERMINAL_PROMPT", 1)) {
66 r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
67 err = strerror(errno);
68 } else {
69 err = "terminal prompts disabled";
70 }
71 if (!r) {
72 /* prompts already contain ": " at the end */
73 die("could not read %s%s", prompt, err);
74 }
75 }
76 return r;
77 }
78
79 int git_read_line_interactively(struct strbuf *line)
80 {
81 fflush(stdout);
82 return strbuf_getline(line, stdin);
83 }