refactor git_getpass into generic prompt function

This will allow callers to specify more options (e.g.,
leaving echo on). The original git_getpass becomes a slim
wrapper around the new function.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2011-12-10 05:40:57 -05:00 committed by Junio C Hamano
parent d3c58b83ae
commit 1cb0134f34
2 changed files with 33 additions and 16 deletions

View File

@ -3,26 +3,13 @@
#include "strbuf.h" #include "strbuf.h"
#include "prompt.h" #include "prompt.h"
char *git_getpass(const char *prompt) static char *do_askpass(const char *cmd, const char *prompt)
{ {
const char *askpass;
struct child_process pass; struct child_process pass;
const char *args[3]; const char *args[3];
static struct strbuf buffer = STRBUF_INIT; static struct strbuf buffer = STRBUF_INIT;
askpass = getenv("GIT_ASKPASS"); args[0] = cmd;
if (!askpass)
askpass = askpass_program;
if (!askpass)
askpass = getenv("SSH_ASKPASS");
if (!askpass || !(*askpass)) {
char *result = getpass(prompt);
if (!result)
die_errno("Could not read password");
return result;
}
args[0] = askpass;
args[1] = prompt; args[1] = prompt;
args[2] = NULL; args[2] = NULL;
@ -35,7 +22,7 @@ char *git_getpass(const char *prompt)
strbuf_reset(&buffer); strbuf_reset(&buffer);
if (strbuf_read(&buffer, pass.out, 20) < 0) if (strbuf_read(&buffer, pass.out, 20) < 0)
die("failed to read password from %s\n", askpass); die("failed to get '%s' from %s\n", prompt, cmd);
close(pass.out); close(pass.out);
@ -46,3 +33,30 @@ char *git_getpass(const char *prompt)
return buffer.buf; return buffer.buf;
} }
char *git_prompt(const char *prompt, int flags)
{
char *r;
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)
return do_askpass(askpass, prompt);
}
r = getpass(prompt);
if (!r)
die_errno("could not read '%s'", prompt);
return r;
}
char *git_getpass(const char *prompt)
{
return git_prompt(prompt, PROMPT_ASKPASS);
}

View File

@ -1,6 +1,9 @@
#ifndef PROMPT_H #ifndef PROMPT_H
#define PROMPT_H #define PROMPT_H
#define PROMPT_ASKPASS (1<<0)
char *git_prompt(const char *prompt, int flags);
char *git_getpass(const char *prompt); char *git_getpass(const char *prompt);
#endif /* PROMPT_H */ #endif /* PROMPT_H */