2 goredo -- djb's redo implementation on pure Go
3 Copyright (C) 2020-2023 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 func sourcesWalker(tgts []string) ([]string, error) {
28 seen := make(map[string]struct{}, 1<<10)
29 for _, tgt := range tgts {
30 tgtAbsPath, err := filepath.Abs(path.Join(Cwd, tgt))
34 cwd, f := path.Split(path.Join(Cwd, tgt))
35 fdDep, err := os.Open(path.Join(cwd, RedoDir, f+DepSuffix))
37 if os.IsNotExist(err) {
42 depInfo, err := depRead(fdDep)
47 for _, m := range depInfo.ifchanges {
49 depTgtAbsPath, err := filepath.Abs(path.Join(cwd, depTgt))
53 if isSrc(cwd, depTgt) {
54 seen[cwdMustRel(depTgtAbsPath)] = struct{}{}
55 } else if depTgtAbsPath != tgtAbsPath {
56 subSrcs, err := sourcesWalker([]string{cwdMustRel(depTgtAbsPath)})
60 for _, p := range subSrcs {
66 srcs := make([]string, 0, len(seen))
68 srcs = append(srcs, p)