static bool checkout_is_workdir_modified(
checkout_data *data,
const git_diff_file *baseitem,
const git_index_entry *wditem)
{
git_oid oid;
const git_index_entry *ie;
/* handle "modified" submodule */
if (wditem->mode == GIT_FILEMODE_COMMIT) {
git_submodule *sm;
unsigned int sm_status = 0;
const git_oid *sm_oid = NULL;
if (git_submodule_lookup(&sm, data->repo, wditem->path) < 0 ||
git_submodule_status(&sm_status, sm) < 0)
return true;
if (GIT_SUBMODULE_STATUS_IS_WD_DIRTY(sm_status))
return true;
sm_oid = git_submodule_wd_id(sm);
if (!sm_oid)
return false;
return (git_oid__cmp(&baseitem->oid, sm_oid) != 0);
}
/* Look at the cache to decide if the workdir is modified. If not,
* we can simply compare the oid in the cache to the baseitem instead
* of hashing the file.
*/
if ((ie = git_index_get_bypath(data->index, wditem->path, 0)) != NULL) {
if (wditem->mtime.seconds == ie->mtime.seconds &&
wditem->mtime.nanoseconds == ie->mtime.nanoseconds &&
wditem->file_size == ie->file_size)
return (git_oid__cmp(&baseitem->oid, &ie->oid) != 0);
}
/* depending on where base is coming from, we may or may not know
* the actual size of the data, so we can't rely on this shortcut.
*/
if (baseitem->size && wditem->file_size != baseitem->size)
return true;
if (git_diff__oid_for_file(
data->repo, wditem->path, wditem->mode,
wditem->file_size, &oid) < 0)
return false;
return (git_oid__cmp(&baseitem->oid, &oid) != 0);
}
static int diff_file_content_commit_to_str(
git_diff_file_content *fc, bool check_status)
{
char oid[GIT_OID_HEXSZ+1];
git_buf content = GIT_BUF_INIT;
const char *status = "";
if (check_status) {
int error = 0;
git_submodule *sm = NULL;
unsigned int sm_status = 0;
const git_oid *sm_head;
if ((error = git_submodule_lookup(&sm, fc->repo, fc->file->path)) < 0) {
/* GIT_EEXISTS means a "submodule" that has not been git added */
if (error == GIT_EEXISTS) {
giterr_clear();
error = 0;
}
return error;
}
if ((error = git_submodule_status(&sm_status, fc->repo, fc->file->path, GIT_SUBMODULE_IGNORE_UNSPECIFIED)) < 0) {
git_submodule_free(sm);
return error;
}
/* update OID if we didn't have it previously */
if ((fc->file->flags & GIT_DIFF_FLAG_VALID_ID) == 0 &&
((sm_head = git_submodule_wd_id(sm)) != NULL ||
(sm_head = git_submodule_head_id(sm)) != NULL))
{
git_oid_cpy(&fc->file->id, sm_head);
fc->file->flags |= GIT_DIFF_FLAG_VALID_ID;
}
if (GIT_SUBMODULE_STATUS_IS_WD_DIRTY(sm_status))
status = "-dirty";
git_submodule_free(sm);
}
git_oid_tostr(oid, sizeof(oid), &fc->file->id);
if (git_buf_printf(&content, "Subproject commit %s%s\n", oid, status) < 0)
return -1;
fc->map.len = git_buf_len(&content);
fc->map.data = git_buf_detach(&content);
fc->flags |= GIT_DIFF_FLAG__FREE_DATA;
return 0;
}
