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Mac OS X fix

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This commit is contained in:
Eelco Dolstra 2012-03-26 23:18:36 +02:00
parent 480dda0e42
commit 446b827bae
1 changed files with 3 additions and 0 deletions
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3
src/libstore/gc.cc
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@ -532,6 +532,9 @@ bool LocalStore::tryToDelete(GCState & state, const Path & path)
state.bytesInvalidated += queryPathInfo(path).narSize;
invalidatePathChecked(path);
makeMutable(path.c_str());
// Mac OS X cannot rename directories if they are read-only.
if (chmod(path.c_str(), st.st_mode | S_IWUSR) == -1)
throw SysError(format("making `%1%' writable") % path);
Path tmp = (format("%1%-gc-%2%") % path % getpid()).str();
if (rename(path.c_str(), tmp.c_str()))
throw SysError(format("unable to rename `%1%' to `%2%'") % path % tmp);