| #include "git-compat-util.h" |
| #include "config.h" |
| #include "environment.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; |
| static struct strbuf buffer = STRBUF_INIT; |
| int err = 0; |
| |
| strvec_push(&pass.args, cmd); |
| strvec_push(&pass.args, prompt); |
| |
| 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; |
| } |
| |
| int git_read_line_interactively(struct strbuf *line) |
| { |
| int ret; |
| |
| fflush(stdout); |
| ret = strbuf_getline_lf(line, stdin); |
| if (ret != EOF) |
| strbuf_trim_trailing_newline(line); |
| |
| return ret; |
| } |