1 // goredo -- djb's redo implementation on pure Go
2 // Copyright (C) 2020-2024 Sergey Matveev <stargrave@stargrave.org>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, version 3 of the License.
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program. If not, see <http://www.gnu.org/licenses/>.
25 seen map[string]struct{},
26 seenDeps map[string]struct{},
29 for _, tgt := range tgts {
30 if _, ok := seenDeps[tgt.rel]; ok {
33 seenDeps[tgt.rel] = struct{}{}
34 dep, err := depRead(tgt)
36 if errors.Is(err, fs.ErrNotExist) {
41 for _, ifchange := range dep.ifchanges {
42 if _, ok := seen[ifchange.tgt.rel]; ok {
45 seen[ifchange.tgt.rel] = struct{}{}
46 if isSrc(ifchange.tgt) {
47 srcs[ifchange.tgt.rel] = ifchange.tgt
48 } else if ifchange.tgt.rel != tgt.rel {
49 if err := sourcesWalker(