static int has_cr_in_index(const char *path)
{
- int pos, len;
unsigned long sz;
- enum object_type type;
void *data;
int has_cr;
- struct index_state *istate = &the_index;
- len = strlen(path);
- pos = index_name_pos(istate, path, len);
- if (pos < 0) {
- /*
- * We might be in the middle of a merge, in which
- * case we would read stage #2 (ours).
- */
- int i;
- for (i = -pos - 1;
- (pos < 0 && i < istate->cache_nr &&
- !strcmp(istate->cache[i]->name, path));
- i++)
- if (ce_stage(istate->cache[i]) == 2)
- pos = i;
- }
- if (pos < 0)
- return 0;
- data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
- if (!data || type != OBJ_BLOB) {
- free(data);
+ data = read_blob_data_from_cache(path, &sz);
+ if (!data)
return 0;
- }
-
has_cr = memchr(data, '\r', sz) != NULL;
free(data);
return has_cr;
char *dst;
if (crlf_action == CRLF_BINARY ||
- (crlf_action == CRLF_GUESS && auto_crlf == AUTO_CRLF_FALSE) || !len)
+ (crlf_action == CRLF_GUESS && auto_crlf == AUTO_CRLF_FALSE) ||
+ (src && !len))
return 0;
+ /*
+ * If we are doing a dry-run and have no source buffer, there is
+ * nothing to analyze; we must assume we would convert.
+ */
+ if (!buf && !src)
+ return 1;
+
gather_stats(src, len, &stats);
if (crlf_action == CRLF_AUTO || crlf_action == CRLF_GUESS) {
if (!stats.cr)
return 0;
+ /*
+ * At this point all of our source analysis is done, and we are sure we
+ * would convert. If we are in dry-run mode, we can give an answer.
+ */
+ if (!buf)
+ return 1;
+
/* only grow if not in place */
if (strbuf_avail(buf) + buf->len < len)
strbuf_grow(buf, len - buf->len);
if (!cmd)
return 0;
+ if (!dst)
+ return 1;
+
memset(&async, 0, sizeof(async));
async.proc = filter_buffer;
async.data = ¶ms;
struct convert_driver *next;
const char *smudge;
const char *clean;
+ int required;
} *user_convert, **user_convert_tail;
static int read_convert_config(const char *var, const char *value, void *cb)
{
- const char *ep, *name;
+ const char *key, *name;
int namelen;
struct convert_driver *drv;
* External conversion drivers are configured using
* "filter.<name>.variable".
*/
- if (prefixcmp(var, "filter.") || (ep = strrchr(var, '.')) == var + 6)
+ if (parse_config_key(var, "filter", &name, &namelen, &key) < 0 || !name)
return 0;
- name = var + 7;
- namelen = ep - name;
for (drv = user_convert; drv; drv = drv->next)
if (!strncmp(drv->name, name, namelen) && !drv->name[namelen])
break;
user_convert_tail = &(drv->next);
}
- ep++;
-
/*
* filter.<name>.smudge and filter.<name>.clean specifies
* the command line:
* The command-line will not be interpolated in any way.
*/
- if (!strcmp("smudge", ep))
+ if (!strcmp("smudge", key))
return git_config_string(&drv->smudge, var, value);
- if (!strcmp("clean", ep))
+ if (!strcmp("clean", key))
return git_config_string(&drv->clean, var, value);
+ if (!strcmp("required", key)) {
+ drv->required = git_config_bool(var, value);
+ return 0;
+ }
+
return 0;
}
{
char *dst, *dollar;
- if (!ident || !count_ident(src, len))
+ if (!ident || (src && !count_ident(src, len)))
return 0;
+ if (!buf)
+ return 1;
+
/* only grow if not in place */
if (strbuf_avail(buf) + buf->len < len)
strbuf_grow(buf, len - buf->len);
{
int ret = 0;
const char *filter = NULL;
+ int required = 0;
struct conv_attrs ca;
convert_attrs(&ca, path);
- if (ca.drv)
+ if (ca.drv) {
filter = ca.drv->clean;
+ required = ca.drv->required;
+ }
ret |= apply_filter(path, src, len, dst, filter);
- if (ret) {
+ if (!ret && required)
+ die("%s: clean filter '%s' failed", path, ca.drv->name);
+
+ if (ret && dst) {
src = dst->buf;
len = dst->len;
}
ca.crlf_action = input_crlf_action(ca.crlf_action, ca.eol_attr);
ret |= crlf_to_git(path, src, len, dst, ca.crlf_action, checksafe);
- if (ret) {
+ if (ret && dst) {
src = dst->buf;
len = dst->len;
}
size_t len, struct strbuf *dst,
int normalizing)
{
- int ret = 0;
+ int ret = 0, ret_filter = 0;
const char *filter = NULL;
+ int required = 0;
struct conv_attrs ca;
convert_attrs(&ca, path);
- if (ca.drv)
+ if (ca.drv) {
filter = ca.drv->smudge;
+ required = ca.drv->required;
+ }
ret |= ident_to_worktree(path, src, len, dst, ca.ident);
if (ret) {
len = dst->len;
}
}
- return ret | apply_filter(path, src, len, dst, filter);
+
+ ret_filter = apply_filter(path, src, len, dst, filter);
+ if (!ret_filter && required)
+ die("%s: smudge filter %s failed", path, ca.drv->name);
+
+ return ret | ret_filter;
}
int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst)