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Restore default SIGPIPE handler before invoking ‘man’

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Fixes NixOS/nixpkgs#3410.
This commit is contained in:
Eelco Dolstra 2014-07-31 10:31:17 +02:00
parent 45f9a91e18
commit 50dc1f5b71
4 changed files with 17 additions and 15 deletions
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6
src/libmain/shared.cc
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@ -244,9 +244,9 @@ static void initAndRun(int argc, char * * argv)
void showManPage(const string & name)
{
string cmd = "man " + name;
if (system(cmd.c_str()) != 0)
throw Error(format("command `%1%' failed") % cmd);
restoreSIGPIPE();
execlp("man", "man", name.c_str(), NULL);
throw SysError(format("command `man %1%' failed") % name.c_str());
}