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Create a wrapper around stdlib’s rename

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Directly takes some c++ strings, and gently throws an exception on error
(rather than having to inline this logic everywhere)
This commit is contained in:
Théophane Hufschmitt 2022-03-17 15:28:46 +01:00 • committed by Théophane Hufschmitt
parent 8119390abc
commit c2de0a232c
9 changed files with 22 additions and 22 deletions
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6
src/libstore/optimise-store.cc
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@ -229,7 +229,9 @@ void LocalStore::optimisePath_(Activity * act, OptimiseStats & stats,
}
/* Atomically replace the old file with the new hard link. */
if (rename(tempLink.c_str(), path.c_str()) == -1) {
try {
moveFile(tempLink, path);
} catch (SysError & e) {
if (unlink(tempLink.c_str()) == -1)
printError("unable to unlink '%1%'", tempLink);
if (errno == EMLINK) {
@ -240,7 +242,7 @@ void LocalStore::optimisePath_(Activity * act, OptimiseStats & stats,
debug("'%s' has reached maximum number of links", linkPath);
return;
}
throw SysError("cannot rename '%1%' to '%2%'", tempLink, path);
throw;
}
stats.filesLinked++;