Added dependencies to guix.scm

Makefile.example-os

@@ -90,10 +90,14 @@ ${bld}/os.32k: example-os/os.asm ${bld}/check_makefile
 	nasm -w+macro-params -w+macro-selfref -w+orphan-labels -w+gnu-elf-extensions -o $@ $<
 
 # Circumvent the fact that faketime does not work on system binaries in macos
-./utils/mkisofs ./utils/mformat ./utils/mcopy: ${bld}/check_makefile # TODO: depend on the mkisofs binary
+./utils/mformat ./utils/mcopy: ${bld}/check_makefile # TODO: depend on the relevant binary
 	cp $$(which $$(basename $@)) $@
 	chmod u+x $@
 
+./utils/mkisofs: ${bld}/check_makefile # TODO: depend on the mkisofs binary
+	cp $$(which $$(basename $@) || which xorriso) $@
+	chmod u+x $@
+
 cp_T_option = $$(if test "$$(uname -s)" = Darwin; then echo ''; else echo '-T'; fi)
 ${bld}/os.iso: ${bld}/iso_files/os.zip ${bld}/iso_files/boot/iso_boot.sys ./utils/mkisofs ${bld}/check_makefile
 	! test -d ${bld}/iso_files.tmp
@@ -216,7 +220,7 @@ ${bld}/os.zip.adjusted: ${bld}/os.zip ${dep_bytes_zip_start} ${bld}/check_makefi
 
 gdisk_pipe_commands_slowly=while read str; do echo "$$str"; printf "\033[1;33m%s\033[m\n" "$$str" >&2; sleep 0.01; done
 
-commit_hash_as_guid=$$(git log -1 --pretty=format:%H | sed -e 's/^\(.\{8\}\)\(.\{4\}\)\(.\{4\}\)\(.\{4\}\)\(.\{12\}\).*$$/\1-\2-\3-\4-\5/' | tr '[:lower:]' '[:upper:]')
+commit_hash_as_guid=$$((git log -1 --pretty=format:%H || echo 0000000000000000000000000000000000000000) | sed -e 's/^\(.\{8\}\)\(.\{4\}\)\(.\{4\}\)\(.\{4\}\)\(.\{12\}\).*$$/\1-\2-\3-\4-\5/' | tr '[:lower:]' '[:upper:]')
 git_dirty=test -n "$$(git diff --shortstat)"
 gpt_disk_guid=${commit_hash_as_guid}$$(if $$git_dirty; then printf '0'; else printf '2'; fi)
 gpt_partition_guid=${commit_hash_as_guid}$$(if $$git_dirty; then printf '1'; else printf '3'; fi)

guix.scm

@@ -20,7 +20,39 @@
              ;; (guix build gnu-build-system) ;; for the phases?
              (guix build-system gnu)
              (guix gexp)
-             (guix))
+             (guix)
+             (gnu packages assembly)
+             (gnu packages base)
+             (gnu packages mtools)
+             (gnu packages cdrom)
+             (gnu packages compression)
+             (gnu packages disk)
+             (gnu packages linux))
+
+;; For faketime
+(use-modules (guix git-download))
+
+(define-public faketime
+  (package
+   (name "faketime")
+   (version "0.9.7")
+   (build-system gnu-build-system)
+   (arguments
+    `(#:phases (modify-phases %standard-phases
+                 (delete 'configure)
+                 (delete 'check))
+      #:make-flags `("CC=gcc"
+                     ,(string-append "PREFIX=" %output))))
+   (description "LD_PRELOAD hack which allows changing and freezing the system time")
+   (home-page "https://github.com/wolfcw/libfaketime")
+   (license "CC0-1.0")
+   (source
+    (origin (uri (git-reference
+                  (url    "https://github.com/wolfcw/libfaketime.git")
+                  (commit "5c6518c597160109fbe599fb4db9ca91e4a6769c")))
+            (method git-fetch)
+            (sha256 (base32 "1cisgkw0c7c9psi1g4ji9y2gqans0mm223rs1xhj1bjah95kgkp9"))))
+   (synopsis "")))
 
 (define-public os-test-framework
   (package
@@ -36,11 +68,29 @@
           (lambda* (#:key inputs #:allow-other-keys)
             (invoke "make" "clean" "COMMIT_TIMESTAMP_ISO_8601=1970-01-01T00:00:00+00:00")))
         (delete 'configure)
+        (add-before 'build 'make-.gitignore-writable
+          (lambda* (#:key inputs #:allow-other-keys)
+            (invoke "chmod" "+w" ".gitignore")))
         ;; build                 ;; this phase is enabled
         (delete 'check)          ;; disabled for now, will enable it later.
-        (delete 'install)
+        (replace 'install
+          (lambda* (#:key outputs #:allow-other-keys)
+            (let ((out (lambda (f) (string-append (assoc-ref outputs "out") f)))) ;; TODO: use path-append or something similar
+              (invoke "mkdir" "-p" (out "/bin"))
+              (invoke "cp" "os.bat" (out "/bin/os.bat")))))
         (delete 'patch-shebangs)
-        (delete 'strip))))
+        (delete 'strip))
+      #:parallel-build? #t
+      #:make-flags '("COMMIT_TIMESTAMP_ISO_8601=1970-01-01T00:00:00+00:00")))
+   (native-inputs
+    `(("nasm" ,nasm)
+      ("which" ,which)
+      ("mtools" ,mtools)
+      ("mkisofs" ,xorriso)
+      ("zip" ,zip)
+      ("faketime" ,faketime)
+      ("gdisk" ,gptfdisk)
+      ("column" ,util-linux)))
    (description "Test framework to run an OS in multiple emulators, as a guest graphical / text shell on linux, and so on.")
    (home-page "https://github.com/jsmaniac/os-test-framework")
    (license "CC0-1.0")