test-common: Cope if argv0 starts with ./

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/test-common.tcl b/test-common.tcl
index 45bddcea9dbf325f183c837b60252a6619633ed7..162ad3a0b7187bc6c34fb8df841a91a61a3217ff 100644 (file)
--- a/test-common.tcl
+++ b/test-common.tcl
@@ -17,7 +17,7 @@ if {![catch {
     set tmp $env(AUTOPKGTEST_ARTIACTS)
 }]} {} elseif {![catch {
     set tmp $env(AUTOPKGTEST_TMP)
-}]} {} elseif {[regsub {^([sm]test)/t-} $argv0 {\1/d-} tmp]} {
+}]} {} elseif {[regsub {^(?:\./)?([sm]test)/t-} $argv0 {\1/d-} tmp]} {
     set tmp $builddir/$tmp
     file mkdir $tmp
 }