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[libvirt] [PATCH] kvm tools: Introduce an ENV variable for the state dir



Which is named as "KVMTOOL_STATE_DIR", so that the user can
configure the path of state directly as he wants.
---
 tools/kvm/main.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/tools/kvm/main.c b/tools/kvm/main.c
index 05bc82c..37b2b1d 100644
--- a/tools/kvm/main.c
+++ b/tools/kvm/main.c
@@ -13,7 +13,12 @@ static int handle_kvm_command(int argc, char **argv)
 
 int main(int argc, char *argv[])
 {
-	kvm__set_dir("%s/%s", HOME_DIR, KVM_PID_FILE_PATH);
+	char *state_dir = getenv("KVMTOOL_STATE_DIR");
+
+	if (state_dir)
+		kvm__set_dir("%s", state_dir);
+	else
+		kvm__set_dir("%s/%s", HOME_DIR, KVM_PID_FILE_PATH);
 
 	return handle_kvm_command(argc - 1, &argv[1]);
 }
-- 
1.7.6


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