int git_attr_file__out_of_date(git_repository *repo, git_attr_file *file) { if (!file) return 1; switch (file->source) { case GIT_ATTR_FILE__IN_MEMORY: return 0; case GIT_ATTR_FILE__FROM_FILE: return git_futils_filestamp_check( &file->cache_data.stamp, file->entry->fullpath); case GIT_ATTR_FILE__FROM_INDEX: { int error; git_oid id; if ((error = attr_file_oid_from_index( &id, repo, file->entry->path)) < 0) return error; return (git_oid__cmp(&file->cache_data.oid, &id) != 0); } default: giterr_set(GITERR_INVALID, "Invalid file type %d", file->source); return -1; } }
int git_attr_file__out_of_date( git_repository *repo, git_attr_session *attr_session, git_attr_file *file) { if (!file) return 1; /* we are never out of date if we just created this data in the same * attr_session; otherwise, nonexistent files must be invalidated */ if (attr_session && attr_session->key == file->session_key) return 0; else if (file->nonexistent) return 1; switch (file->source) { case GIT_ATTR_FILE__IN_MEMORY: return 0; case GIT_ATTR_FILE__FROM_FILE: return git_futils_filestamp_check( &file->cache_data.stamp, file->entry->fullpath); case GIT_ATTR_FILE__FROM_INDEX: { int error; git_oid id; if ((error = attr_file_oid_from_index( &id, repo, file->entry->path)) < 0) return error; return (git_oid__cmp(&file->cache_data.oid, &id) != 0); } default: giterr_set(GITERR_INVALID, "Invalid file type %d", file->source); return -1; } }
int git_attr_file__load( git_attr_file **out, git_repository *repo, git_attr_file_entry *entry, git_attr_file_source source, git_attr_file_parser parser) { int error = 0; git_blob *blob = NULL; git_buf content = GIT_BUF_INIT; const char *data = NULL; git_attr_file *file; struct stat st; *out = NULL; switch (source) { case GIT_ATTR_FILE__IN_MEMORY: /* in-memory attribute file doesn't need data */ break; case GIT_ATTR_FILE__FROM_INDEX: { git_oid id; if ((error = attr_file_oid_from_index(&id, repo, entry->path)) < 0 || (error = git_blob_lookup(&blob, repo, &id)) < 0) return error; data = git_blob_rawcontent(blob); break; } case GIT_ATTR_FILE__FROM_FILE: { int fd; if (p_stat(entry->fullpath, &st) < 0) return git_path_set_error(errno, entry->fullpath, "stat"); if (S_ISDIR(st.st_mode)) return GIT_ENOTFOUND; /* For open or read errors, return ENOTFOUND to skip item */ /* TODO: issue warning when warning API is available */ if ((fd = git_futils_open_ro(entry->fullpath)) < 0) return GIT_ENOTFOUND; error = git_futils_readbuffer_fd(&content, fd, (size_t)st.st_size); p_close(fd); if (error < 0) return GIT_ENOTFOUND; data = content.ptr; break; } default: giterr_set(GITERR_INVALID, "Unknown file source %d", source); return -1; } if ((error = git_attr_file__new(&file, entry, source)) < 0) goto cleanup; if (parser && (error = parser(repo, file, data)) < 0) { git_attr_file__free(file); goto cleanup; } /* write cache breaker */ if (source == GIT_ATTR_FILE__FROM_INDEX) git_oid_cpy(&file->cache_data.oid, git_blob_id(blob)); else if (source == GIT_ATTR_FILE__FROM_FILE) git_futils_filestamp_set_from_stat(&file->cache_data.stamp, &st); /* else always cacheable */ *out = file; cleanup: git_blob_free(blob); git_buf_free(&content); return error; }
int git_attr_file__load( git_attr_file **out, git_repository *repo, git_attr_session *attr_session, git_attr_file_entry *entry, git_attr_file_source source, git_attr_file_parser parser) { int error = 0; git_blob *blob = NULL; git_buf content = GIT_BUF_INIT; git_attr_file *file; struct stat st; bool nonexistent = false; *out = NULL; switch (source) { case GIT_ATTR_FILE__IN_MEMORY: /* in-memory attribute file doesn't need data */ break; case GIT_ATTR_FILE__FROM_INDEX: { git_oid id; if ((error = attr_file_oid_from_index(&id, repo, entry->path)) < 0 || (error = git_blob_lookup(&blob, repo, &id)) < 0) return error; /* Do not assume that data straight from the ODB is NULL-terminated; * copy the contents of a file to a buffer to work on */ git_buf_put(&content, git_blob_rawcontent(blob), git_blob_rawsize(blob)); break; } case GIT_ATTR_FILE__FROM_FILE: { int fd = -1; /* For open or read errors, pretend that we got ENOTFOUND. */ /* TODO: issue warning when warning API is available */ if (p_stat(entry->fullpath, &st) < 0 || S_ISDIR(st.st_mode) || (fd = git_futils_open_ro(entry->fullpath)) < 0 || (error = git_futils_readbuffer_fd(&content, fd, (size_t)st.st_size)) < 0) nonexistent = true; if (fd >= 0) p_close(fd); break; } default: giterr_set(GITERR_INVALID, "Unknown file source %d", source); return -1; } if ((error = git_attr_file__new(&file, entry, source)) < 0) goto cleanup; /* store the key of the attr_reader; don't bother with cache * invalidation during the same attr reader session. */ if (attr_session) file->session_key = attr_session->key; if (parser && (error = parser(repo, file, git_buf_cstr(&content))) < 0) { git_attr_file__free(file); goto cleanup; } /* write cache breakers */ if (nonexistent) file->nonexistent = 1; else if (source == GIT_ATTR_FILE__FROM_INDEX) git_oid_cpy(&file->cache_data.oid, git_blob_id(blob)); else if (source == GIT_ATTR_FILE__FROM_FILE) git_futils_filestamp_set_from_stat(&file->cache_data.stamp, &st); /* else always cacheable */ *out = file; cleanup: git_blob_free(blob); git_buf_free(&content); return error; }