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guix hash: Add 'serializer' option.

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* guix/scripts/hash.scm (%options): Deprecate 'recursive', add 'serializer'.
(%default-options): Add 'serializer'.
(nar-hash): New procedure.
(default-hash): New procedure.
(guix-hash)[file-hash]: Use them.
(show-help): Adjust.
* tests/guix-hash.scm: Adjust.
* doc/guix.texi: Update.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
zimoun
2021-11-18 01:20:22 +01:00
committed by Ludovic Courtès
parent 6e08f07f20
commit 05c962594c
3 changed files with 80 additions and 39 deletions
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tests/guix-hash.sh
+9 -5
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@@ -48,25 +48,29 @@ chmod +x "$tmpdir/exe"
( cd "$tmpdir" ; ln -s exe symlink )
mkdir "$tmpdir/subdir"
test `guix hash -r "$tmpdir"` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -r "$tmpdir" -H sha512` = 301ra58c2vahczzxiyfin41mpyb0ljh4dh9zn3ijvwviaw1j40sfzw5skh9x945da88n3785ggifzig7acd6k72h0mpsc20m1f66m9n
test `guix hash -S nar "$tmpdir"` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -S nar "$tmpdir" -H sha512` = 301ra58c2vahczzxiyfin41mpyb0ljh4dh9zn3ijvwviaw1j40sfzw5skh9x945da88n3785ggifzig7acd6k72h0mpsc20m1f66m9n
# Deprecated --recursive option
test `guix hash -r "$tmpdir" 2>/dev/null` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -r "$tmpdir" -H sha512 2>/dev/null` = 301ra58c2vahczzxiyfin41mpyb0ljh4dh9zn3ijvwviaw1j40sfzw5skh9x945da88n3785ggifzig7acd6k72h0mpsc20m1f66m9n
# Without '-r', this should fail.
! guix hash "$tmpdir"
# This should fail because /dev/null is a character device, which
# the archive format doesn't support.
! guix hash -r /dev/null
! guix hash -S nar /dev/null
# Adding a .git directory
mkdir "$tmpdir/.git"
touch "$tmpdir/.git/foo"
# ...changes the hash
test `guix hash -r $tmpdir` = 0a50z04zyzf7pidwxv0nwbj82pgzbrhdy9562kncnvkcfvb48m59
test `guix hash -S nar $tmpdir` = 0a50z04zyzf7pidwxv0nwbj82pgzbrhdy9562kncnvkcfvb48m59
# ...but remains the same when using `-x'
test `guix hash -r $tmpdir -x` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -S nar $tmpdir -x` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
# Without '-r', this should fail.
! guix hash "$tmpdir"