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/>.
28 seen map[string]struct{},
29 seenDeps map[string]struct{},
30 srcs map[string]struct{},
32 for _, tgt := range tgts {
33 tgtAbsPath := mustAbs(path.Join(Cwd, tgt))
34 cwd, f := path.Split(path.Join(Cwd, tgt))
35 depPath := path.Join(cwd, RedoDir, f+DepSuffix)
36 if _, ok := seenDeps[depPath]; ok {
39 seenDeps[depPath] = struct{}{}
40 depInfo, err := depRead(depPath)
42 if errors.Is(err, fs.ErrNotExist) {
47 for _, dep := range depInfo.ifchanges {
48 depTgtAbsPath := mustAbs(path.Join(cwd, dep.tgt))
49 if _, ok := seen[depTgtAbsPath]; ok {
52 seen[depTgtAbsPath] = struct{}{}
53 if isSrc(cwd, dep.tgt) {
54 srcs[cwdMustRel(depTgtAbsPath)] = struct{}{}
55 } else if depTgtAbsPath != tgtAbsPath {
56 if err := sourcesWalker(
57 []string{cwdMustRel(depTgtAbsPath)},