[bug#64708] [PATCH 6/8] gnu: commencement: hurd-headers-boot0: Update to 0.9.git20230216.

[Janneke Nieuwenhuizen <janneke@gnu.org>]

* gnu/packages/commencement.scm (hurd-headers-boot0): Remove redundant outer
let and package-with-bootstrap-guile.
[name]: New field; give proper name.
[version]: New field.
[source]: Update to 0.9.git20230216, using git-fetch-from-tarball.
[inputs]: Add autoconf-boot0, automake-boot0, gnumach-headers-boot0.
---
 gnu/packages/commencement.scm | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 05a6badea0..86246c3b08 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -2742,12 +2742,31 @@ (define hurd-source-boot0
         "0bq2q2jisxcy0kgcm6rz0z2fddwxxm7azsama7li28a2m08kdpzy")))))
 
 (define hurd-headers-boot0
-  (let ((hurd-headers (package (inherit hurd-headers)
-                               (version hurd-version-boot0)
-                               (source hurd-source-boot0)
-                               (native-inputs `(("mig" ,mig-boot0)))
-                               (inputs '()))))
-    (with-boot0 (package-with-bootstrap-guile hurd-headers))))
+  (with-boot0
+   (package
+     (inherit hurd-headers)
+     (name "hurd-headers-boot0")
+     (version "0.9.git20230216")
+     (source
+      (origin
+        (method
+         (git-fetch-from-tarball
+          (origin
+            (method url-fetch)
+            (uri (string-append
+                  "https://git.savannah.gnu.org/cgit/hurd/hurd.git/snapshot/"
+                  "hurd-v" version ".tar.gz"))
+            (sha256
+             (base32 "1f75nlkcl00dqnnrbrj1frvzs2qibfpygj3gwywqi85aldjl48y7")))))
+        (uri (git-reference
+              (url "https://git.savannah.gnu.org/git/hurd/hurd.git")
+              (commit version)))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "0jm1dnqkx4kdwmby0z5w0yqp9m5qp4hbxd4jxlyhiqm8nkw9mkvv"))))
+     (native-inputs
+      (list autoconf-boot0 automake-boot0 mig-boot0))
+     (inputs '()))))
 
 (define hurd-minimal-boot0
   (let ((hurd-minimal (package (inherit hurd-minimal)
-- 
2.40.1