static int crlf_apply_to_workdir(
struct crlf_attrs *ca, git_buf *to, const git_buf *from)
{
git_buf_text_stats stats;
const char *workdir_ending = NULL;
bool is_binary;
/* Empty file? Nothing to do. */
if (git_buf_len(from) == 0)
return 0;
/* Determine proper line ending */
workdir_ending = line_ending(ca);
if (!workdir_ending)
return -1;
/* only LF->CRLF conversion is supported, do nothing on LF platforms */
if (strcmp(workdir_ending, "\r\n") != 0)
return GIT_PASSTHROUGH;
/* If there are no LFs, or all LFs are part of a CRLF, nothing to do */
is_binary = git_buf_text_gather_stats(&stats, from, false);
if (stats.lf == 0 || stats.lf == stats.crlf)
return GIT_PASSTHROUGH;
if (ca->crlf_action == GIT_CRLF_AUTO ||
ca->crlf_action == GIT_CRLF_GUESS) {
/* If we have any existing CR or CRLF line endings, do nothing */
if (ca->crlf_action == GIT_CRLF_GUESS &&
stats.cr > 0 && stats.crlf > 0)
return GIT_PASSTHROUGH;
/* If we have bare CR characters, do nothing */
if (stats.cr != stats.crlf)
return GIT_PASSTHROUGH;
/* Don't filter binary files */
if (is_binary)
return GIT_PASSTHROUGH;
}
return git_buf_text_lf_to_crlf(to, from);
}
static int crlf_apply_to_workdir(
git_filter *self, git_buf *dest, const git_buf *source)
{
struct crlf_filter *filter = (struct crlf_filter *)self;
const char *workdir_ending = NULL;
assert(self && dest && source);
/* Empty file? Nothing to do. */
if (git_buf_len(source) == 0)
return -1;
/* Determine proper line ending */
workdir_ending = line_ending(filter);
if (!workdir_ending)
return -1;
if (!strcmp("\n", workdir_ending)) /* do nothing for \n ending */
return -1;
/* for now, only lf->crlf conversion is supported here */
assert(!strcmp("\r\n", workdir_ending));
return git_buf_text_lf_to_crlf(dest, source);
}
static int crlf_apply_to_workdir(
struct crlf_attrs *ca, git_buf *to, const git_buf *from)
{
const char *workdir_ending = NULL;
/* Empty file? Nothing to do. */
if (git_buf_len(from) == 0)
return 0;
/* Don't filter binary files */
if (git_buf_text_is_binary(from))
return GIT_PASSTHROUGH;
/* Determine proper line ending */
workdir_ending = line_ending(ca);
if (!workdir_ending)
return -1;
/* only LF->CRLF conversion is supported, do nothing on LF platforms */
if (strcmp(workdir_ending, "\r\n") != 0)
return GIT_PASSTHROUGH;
return git_buf_text_lf_to_crlf(to, from);
}
