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https://github.com/git/git.git
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a50902590e
Our custom implementation of git_terminal_prompt has many advantages over regular getpass(), as described in the prior commit. This also lets us implement a PROMPT_ECHO flag for callers who want it. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#include "cache.h"
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#include "run-command.h"
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#include "strbuf.h"
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#include "prompt.h"
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#include "compat/terminal.h"
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static char *do_askpass(const char *cmd, const char *prompt)
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{
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struct child_process pass;
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const char *args[3];
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static struct strbuf buffer = STRBUF_INIT;
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args[0] = cmd;
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args[1] = prompt;
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args[2] = NULL;
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memset(&pass, 0, sizeof(pass));
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pass.argv = args;
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pass.out = -1;
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if (start_command(&pass))
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exit(1);
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strbuf_reset(&buffer);
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if (strbuf_read(&buffer, pass.out, 20) < 0)
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die("failed to get '%s' from %s\n", prompt, cmd);
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close(pass.out);
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if (finish_command(&pass))
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exit(1);
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strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));
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return buffer.buf;
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}
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char *git_prompt(const char *prompt, int flags)
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{
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char *r;
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if (flags & PROMPT_ASKPASS) {
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const char *askpass;
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askpass = getenv("GIT_ASKPASS");
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if (!askpass)
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askpass = askpass_program;
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if (!askpass)
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askpass = getenv("SSH_ASKPASS");
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if (askpass && *askpass)
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return do_askpass(askpass, prompt);
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}
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r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
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if (!r)
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die_errno("could not read '%s'", prompt);
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return r;
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}
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char *git_getpass(const char *prompt)
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{
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return git_prompt(prompt, PROMPT_ASKPASS);
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}
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