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git/prompt.c
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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 = CHILD_PROCESS_INIT; | |
const char *args[3]; | |
static struct strbuf buffer = STRBUF_INIT; | |
int err = 0; | |
args[0] = cmd; | |
args[1] = prompt; | |
args[2] = NULL; | |
pass.argv = args; | |
pass.out = -1; | |
if (start_command(&pass)) | |
return NULL; | |
strbuf_reset(&buffer); | |
if (strbuf_read(&buffer, pass.out, 20) < 0) | |
err = 1; | |
close(pass.out); | |
if (finish_command(&pass)) | |
err = 1; | |
if (err) { | |
error("unable to read askpass response from '%s'", cmd); | |
strbuf_release(&buffer); | |
return NULL; | |
} | |
strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n")); | |
return buffer.buf; | |
} | |
char *git_prompt(const char *prompt, int flags) | |
{ | |
char *r = NULL; | |
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) | |
r = do_askpass(askpass, prompt); | |
} | |
if (!r) { | |
const char *err; | |
if (git_env_bool("GIT_TERMINAL_PROMPT", 1)) { | |
r = git_terminal_prompt(prompt, flags & PROMPT_ECHO); | |
err = strerror(errno); | |
} else { | |
err = "terminal prompts disabled"; | |
} | |
if (!r) { | |
/* prompts already contain ": " at the end */ | |
die("could not read %s%s", prompt, err); | |
} | |
} | |
return r; | |
} |