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Add a ‘--repair’ flag to nix-instantiate

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This allows repairing corrupted derivations and other source files.
This commit is contained in:
Eelco Dolstra 2012-10-03 15:09:18 -04:00
parent a807edfae8
commit 0a7084567f
11 changed files with 36 additions and 25 deletions
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3
src/libexpr/eval.cc
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@ -141,6 +141,7 @@ EvalState::EvalState()
, baseEnv(allocEnv(128))
, baseEnvDispl(0)
, staticBaseEnv(false, 0)
, repair(false)
{
nrEnvs = nrValuesInEnvs = nrValues = nrListElems = 0;
nrAttrsets = nrOpUpdates = nrOpUpdateValuesCopied = 0;
@ -1093,7 +1094,7 @@ string EvalState::coerceToString(Value & v, PathSet & context,
else {
dstPath = settings.readOnlyMode
? computeStorePathForPath(path).first
: store->addToStore(path);
: store->addToStore(path, true, htSHA256, defaultPathFilter, repair);
srcToStore[path] = dstPath;
printMsg(lvlChatty, format("copied source `%1%' -> `%2%'")
% path % dstPath);