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Don't catch exceptions by value

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This commit is contained in:
Eelco Dolstra 2019-09-22 21:29:33 +02:00
parent 14d3f45009
commit 893be6f5e3
5 changed files with 7 additions and 7 deletions
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2
src/libexpr/primops/fetchGit.cc
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@ -37,7 +37,7 @@ GitInfo exportGit(ref<Store> store, std::string uri,
try {
runProgram("git", true, { "-C", uri, "diff-index", "--quiet", "HEAD", "--" });
} catch (ExecError e) {
} catch (ExecError & e) {
if (!WIFEXITED(e.status) || WEXITSTATUS(e.status) != 1) throw;
clean = false;
}