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* Experimental feature: allow a derivation to tell the build hook that

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it requires a certain feature on the build machine, e.g.

    requiredSystemFeatures = [ "kvm" ];

  We need this in Hydra to make sure that builds that require KVM
  support are forwarded to machines that have KVM support.  Probably
  this should also be enforced for local builds.
This commit is contained in:
Eelco Dolstra 2010-08-27 13:18:13 +00:00
parent e41ecbf730
commit 766f708418
4 changed files with 43 additions and 12 deletions
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11
src/libutil/util.cc
View file

@ -966,6 +966,17 @@ Strings tokenizeString(const string & s, const string & separators)
}
string concatStringsSep(const string & sep, const Strings & ss)
{
string s;
foreach (Strings::const_iterator, i, ss) {
if (s.size() != 0) s += sep;
s += *i;
}
return s;
}
string statusToString(int status)
{
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {

5
src/libutil/util.hh
View file

@ -280,6 +280,11 @@ MakeError(Interrupted, BaseError)
Strings tokenizeString(const string & s, const string & separators = " \t\n\r");
/* Concatenate the given strings with a separator between the
elements. */
string concatStringsSep(const string & sep, const Strings & ss);
/* Convert the exit status of a child as returned by wait() into an
error string. */
string statusToString(int status);