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#include "builtin.h"
#include "cache.h"
#include "strbuf.h"
static void comment_lines(struct strbuf *buf)
{
char *msg;
size_t len;
msg = strbuf_detach(buf, &len);
strbuf_add_commented_lines(buf, msg, len);
free(msg);
}
static const char *usage_msg = "\n"
" git stripspace [-s | --strip-comments] < input\n"
" git stripspace [-c | --comment-lines] < input";
int cmd_stripspace(int argc, const char **argv, const char *prefix)
{
struct strbuf buf = STRBUF_INIT;
int strip_comments = 0;
enum { INVAL = 0, STRIP_SPACE = 1, COMMENT_LINES = 2 } mode = STRIP_SPACE;
if (argc == 2) {
if (!strcmp(argv[1], "-s") ||
!strcmp(argv[1], "--strip-comments")) {
strip_comments = 1;
} else if (!strcmp(argv[1], "-c") ||
!strcmp(argv[1], "--comment-lines")) {
mode = COMMENT_LINES;
} else {
mode = INVAL;
}
} else if (argc > 1) {
mode = INVAL;
}
if (mode == INVAL)
usage(usage_msg);
if (strip_comments || mode == COMMENT_LINES)
git_config(git_default_config, NULL);
if (strbuf_read(&buf, 0, 1024) < 0)
die_errno("could not read the input");
if (mode == STRIP_SPACE)
strbuf_stripspace(&buf, strip_comments);
else
comment_lines(&buf);
write_or_die(1, buf.buf, buf.len);
strbuf_release(&buf);
return 0;
}
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