mirror of
https://github.com/git/git.git
synced 2024-05-06 02:56:11 +02:00
1f09aed834
At least one interactive command writes a prompt to `stdout` and then reads user input on `stdin`: `git clean --interactive`. If the prompt is left in the buffer, the user will not realize the program is waiting for their input. So let's just flush `stdout` before reading the user's input. Signed-off-by: 마누엘 <nalla@hamal.uberspace.de> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
#include "cache.h"
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#include "config.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 = CHILD_PROCESS_INIT;
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const char *args[3];
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static struct strbuf buffer = STRBUF_INIT;
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int err = 0;
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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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pass.argv = args;
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pass.out = -1;
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if (start_command(&pass))
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return NULL;
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strbuf_reset(&buffer);
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if (strbuf_read(&buffer, pass.out, 20) < 0)
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err = 1;
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close(pass.out);
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if (finish_command(&pass))
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err = 1;
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if (err) {
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error("unable to read askpass response from '%s'", cmd);
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strbuf_release(&buffer);
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return NULL;
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}
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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 = NULL;
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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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r = do_askpass(askpass, prompt);
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}
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if (!r) {
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const char *err;
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if (git_env_bool("GIT_TERMINAL_PROMPT", 1)) {
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r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
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err = strerror(errno);
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} else {
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err = "terminal prompts disabled";
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}
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if (!r) {
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/* prompts already contain ": " at the end */
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die("could not read %s%s", prompt, err);
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}
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}
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return r;
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}
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int git_read_line_interactively(struct strbuf *line)
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{
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int ret;
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fflush(stdout);
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ret = strbuf_getline_lf(line, stdin);
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if (ret != EOF)
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strbuf_trim_trailing_newline(line);
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return ret;
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}
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