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bake: SOURCE_DATE_EPOCH: fix panic: assignment to entry in nil map

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Fix issue 1562

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
(cherry picked from commit 1f56f5174027a91c7c58e1751870abd141b68908)
This commit is contained in:
Akihiro Suda 2023-01-29 08:42:47 +09:00 committed by Tonis Tiigi
parent b5ea79e277
commit 5a4f80f3ce
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1 changed files with 3 additions and 0 deletions
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3
bake/bake.go
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@ -144,6 +144,9 @@ func ReadTargets(ctx context.Context, files []File, targets, overrides []string,
// The logic is purposely duplicated from `build/build`.go for keeping this visible in `bake --print`.
if v := os.Getenv("SOURCE_DATE_EPOCH"); v != "" {
for _, f := range m {
if f.Args == nil {
f.Args = make(map[string]*string)
}
if _, ok := f.Args["SOURCE_DATE_EPOCH"]; !ok {
f.Args["SOURCE_DATE_EPOCH"] = &v
}