shell: Display errors from improperly-formatted command lines

The interface for split_cmdline has changed such that the caller holds
responsibility for printing any error messages.  This patch changes
the git shell to print these error messages as appropriate.

Signed-off-by: Greg Brockman <gdb@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Greg Brockman 2010-08-27 01:36:13 -04:00 коммит произвёл Junio C Hamano
Родитель 1666246b70
Коммит 9f29fe9a77
1 изменённых файлов: 13 добавлений и 3 удалений

16
shell.c
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@ -73,8 +73,10 @@ static void run_shell(void)
const char *prog;
char *full_cmd;
char *rawargs;
char *split_args;
const char **argv;
int code;
int count;
fprintf(stderr, "git> ");
if (strbuf_getline(&line, stdin, '\n') == EOF) {
@ -84,7 +86,12 @@ static void run_shell(void)
}
strbuf_trim(&line);
rawargs = strbuf_detach(&line, NULL);
if (split_cmdline(rawargs, &argv) == -1) {
split_args = xstrdup(rawargs);
count = split_cmdline(split_args, &argv);
if (count < 0) {
fprintf(stderr, "invalid command format '%s': %s\n", rawargs,
split_cmdline_strerror(count));
free(split_args);
free(rawargs);
continue;
}
@ -128,6 +135,7 @@ int main(int argc, char **argv)
const char **user_argv;
struct commands *cmd;
int devnull_fd;
int count;
/*
* Always open file descriptors 0/1/2 to avoid clobbering files
@ -190,7 +198,8 @@ int main(int argc, char **argv)
}
cd_to_homedir();
if (split_cmdline(prog, &user_argv) != -1) {
count = split_cmdline(prog, &user_argv);
if (count >= 0) {
if (is_valid_cmd_name(user_argv[0])) {
prog = make_cmd(user_argv[0]);
user_argv[0] = prog;
@ -201,6 +210,7 @@ int main(int argc, char **argv)
die("unrecognized command '%s'", argv[2]);
} else {
free(prog);
die("invalid command format '%s'", argv[2]);
die("invalid command format '%s': %s", argv[2],
split_cmdline_strerror(count));
}
}