tools/tarsource.sh: support FRR as a git submodule

a git submodule will have .git as a file instead of a directory... which
breaks tarsource.sh.

Signed-off-by: David Lamparter <equinox@diac24.net>

diff --git a/tools/tarsource.sh b/tools/tarsource.sh
index 110558da0dbb16ecb775838bde35722dd56c3a79..2e7ed4411db5ea65634c491c1f6f7189f3e20b66 100755 (executable)
--- a/tools/tarsource.sh
+++ b/tools/tarsource.sh
@@ -133,7 +133,7 @@ onexit() {
 trap onexit EXIT
 tmpdir="`mktemp -d -t frrtar.XXXXXX`"
 
-if test -d "$src/.git"; then
+if test -e "$src/.git"; then
        commit="`git -C \"$src\" rev-parse \"${commit:-HEAD}\"`"
 
        if $dirty; then