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-rw-r--r--src/libutil/util.cc2
-rw-r--r--src/libutil/util.hh2
2 files changed, 3 insertions, 1 deletions
diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index 846674a29d95..8fc78b1463de 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -901,7 +901,7 @@ string runProgram(Path program, bool searchPath, const Strings & args)
     /* Wait for the child to finish. */
     int status = pid.wait(true);
     if (!statusOk(status))
-        throw Error(format("program `%1%' %2%")
+        throw ExecError(format("program `%1%' %2%")
             % program % statusToString(status));
 
     return result;
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index ce2d77c19a42..1e9ffcf51b57 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -257,6 +257,8 @@ void killUser(uid_t uid);
 string runProgram(Path program, bool searchPath = false,
     const Strings & args = Strings());
 
+MakeError(ExecError, Error)
+
 /* Close all file descriptors except stdin, stdout, stderr, and those
    listed in the given set.  Good practice in child processes. */
 void closeMostFDs(const set<int> & exceptions);