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Don't catch exceptions by value

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(cherry picked from commit 893be6f5e3)
This commit is contained in:
Eelco Dolstra 2019-09-22 21:29:33 +02:00
parent 7f9a0033c7
commit bd79c1f6f6
5 changed files with 7 additions and 7 deletions
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2
src/libexpr/primops/fetchGit.cc
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@ -38,7 +38,7 @@ GitInfo exportGit(ref<Store> store, const 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;
}