23 lines
778 B
Diff
23 lines
778 B
Diff
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diff --git a/toolkit/xre/nsXREDirProvider.cpp b/toolkit/xre/nsXREDirProvider.cpp
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index 6db876975187..5882c5d7f1d6 100644
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--- a/toolkit/xre/nsXREDirProvider.cpp
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+++ b/toolkit/xre/nsXREDirProvider.cpp
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@@ -11,6 +11,7 @@
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#include "jsapi.h"
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#include "xpcpublic.h"
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+#include "prenv.h"
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#include "prprf.h"
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#include "nsIAppStartup.h"
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@@ -297,7 +297,8 @@ static nsresult GetSystemParentDirectory(nsIFile** aFile) {
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"/usr/lib/mozilla"_ns
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# endif
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;
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- rv = NS_NewNativeLocalFile(dirname, getter_AddRefs(localDir));
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+ const char* pathVar = PR_GetEnv("MOZ_SYSTEM_DIR");
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+ rv = NS_NewNativeLocalFile((pathVar && *pathVar) ? nsDependentCString(pathVar) : reinterpret_cast<const nsCString&>(dirname), getter_AddRefs(localDir));
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# endif
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if (NS_SUCCEEDED(rv)) {
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