dgit: absurd: Break out PATH filtering

Actually this function just sets it to the already-computed $npath,
but this is an implementation detail.

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

1 files changed, 5 insertions, 1 deletions

diff --git a/absurd/git b/absurd/git
index cab0320..d8ac24e 100755
--- a/absurd/git
+++ b/absurd/git
@@ -25,6 +25,10 @@ if test "x$PATH" = "x$npath"; then
 	fail "PATH FILTER FAIL ($0 $self $PATH)"
 fi
 
+filter_path () {
+	PATH=$npath
+}
+
 bypass=true
 for arg in "$@"; do
 	case "$arg" in
@@ -35,7 +39,7 @@ for arg in "$@"; do
 done
 
 if $bypass; then
-	PATH=$npath
+	filter_path
 	echo >&3 "DGIT ABSURD GIT APPLY - BYPASS: $*"
 	exec git "$@"
 fi