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config: Fix handling of invalid OS env config overrides

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Fixes #8709
This commit is contained in:
Bjørn Erik Pedersen 2021-06-29 09:38:05 +02:00
parent 8290720107
commit 49fedbc51c
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GPG key ID: 330E6E2BD4859D8F
2 changed files with 93 additions and 55 deletions
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13
config/defaultConfigProvider.go
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@ -169,6 +169,9 @@ func (c *defaultConfigProvider) Set(k string, v interface{}) {
}
key, m := c.getNestedKeyAndMap(k, true)
if m == nil {
return
}
if existing, found := m[key]; found {
if p1, ok := existing.(maps.Params); ok {
@ -289,6 +292,9 @@ func (c *defaultConfigProvider) Merge(k string, v interface{}) {
}
key, m := c.getNestedKeyAndMap(k, true)
if m == nil {
return
}
if existing, found := m[key]; found {
if p1, ok := existing.(maps.Params); ok {
@ -422,7 +428,12 @@ func (c *defaultConfigProvider) getNestedKeyAndMap(key string, create bool) (str
return "", nil
}
}
current = next.(maps.Params)
var ok bool
current, ok = next.(maps.Params)
if !ok {
// E.g. a string, not a map that we can store values in.
return "", nil
}
}
return parts[len(parts)-1], current
}

27
hugolib/config_test.go
View file

@ -576,6 +576,7 @@ anchor = "smart"
quality = 75
`
newB := func(t testing.TB) *sitesBuilder {
b := newTestSitesBuilder(t).WithConfigFile("toml", baseConfig)
b.WithSourceFile("themes/mytheme/config.toml", `
@ -595,6 +596,13 @@ theme_param="themevalue2"
`)
return b
}
c.Run("Variations", func(c *qt.C) {
b := newB(c)
b.WithEnviron(
"HUGO_ENVIRONMENT", "test",
"HUGO_NEW", "new", // key not in config.toml
@ -655,4 +663,23 @@ theme_param="themevalue2"
c.Assert(ofBase.MediaType, qt.Equals, media.TextType)
c.Assert(ofTheme.MediaType, qt.Equals, media.TextType)
})
// Issue #8709
c.Run("Set in string", func(c *qt.C) {
b := newB(c)
b.WithEnviron(
// imaging.anchor is a string, and it's not possible
// to set a child attribute.
"HUGO_IMAGING_ANCHOR_FOO", "top",
)
b.Build(BuildCfg{})
cfg := b.H.Cfg
c.Assert(cfg.Get("imaging.anchor"), qt.Equals, "smart")
})
}