Fix pax_global_header problem0.4.1

1 files changed, 8 insertions, 3 deletions

diff --git a/henrietta-cache.scm b/henrietta-cache.scm
index 58d7f90..e5311b2 100644
--- a/henrietta-cache.scm
+++ b/henrietta-cache.scm
@@ -143,9 +143,14 @@ EOF
       ;; Some people extract to the current directory, some include the
       ;; directory
       (let* ((contents (directory tmp-dir))
-             (contents-dir (if (= 1 (length contents))
-                               (make-pathname tmp-dir (car contents))
-                               tmp-dir))
+             (contents-dir (match contents
+                             ;; Silly pax archives contain this bogus entry.
+                             ;; Some pax-aware tar(1)s skip it, others don't.
+                             ((or (dir "pax_global_header")
+                                  ("pax_global_header" dir)
+                                  (dir))
+                              (make-pathname tmp-dir dir))
+                             (else tmp-dir)))
              (cmd (sprintf "mv ~A/* ~A" (qs contents-dir) (qs cache-dir)))
              (status (system cmd)))
         (unless (zero? status)