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| author | Mathieu Othacehe <m.othacehe@gmail.com> | 2018-12-08 23:32:23 +0900 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-01-17 14:04:26 +0100 |
| commit | 8ae7044f1d6a8c6a8a91ae6c032030e1affc9772 (patch) | |
| tree | 4cd67debbbd2c8d8411ad88c7d57ac4d1b2ca40b /gnu/build | |
| parent | df3664f1ec9a8b3c59c0e61f197798c2dda986e3 (diff) | |
| download | guix-8ae7044f1d6a8c6a8a91ae6c032030e1affc9772.tar.gz | |
file-systems: Add read-luks-partition-uuid.
Add a specific procedure to read luks partition uuid. * gnu/build/file-systems.scm (luks-partition-field-reader): New procedure ... (luks-partition-uuid-predicate): ... used here, (read-luks-partition-uuid): new exported procedure.
Diffstat (limited to 'gnu/build')
| -rw-r--r-- | gnu/build/file-systems.scm | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm index ee8e8146b2..c468144170 100644 --- a/gnu/build/file-systems.scm +++ b/gnu/build/file-systems.scm @@ -44,6 +44,7 @@ read-partition-label read-partition-uuid + read-luks-partition-uuid bind-mount @@ -438,6 +439,12 @@ partition field reader that returned a value." (define read-partition-uuid (cut read-partition-field <> %partition-uuid-readers)) +(define luks-partition-field-reader + (partition-field-reader read-luks-header luks-header-uuid)) + +(define read-luks-partition-uuid + (cut read-partition-field <> (list luks-partition-field-reader))) + (define (partition-predicate reader =) "Return a predicate that returns true if the FIELD of partition header that was READ is = to the given value." @@ -454,9 +461,7 @@ was READ is = to the given value." (partition-predicate read-partition-uuid uuid=?)) (define luks-partition-uuid-predicate - (partition-predicate - (partition-field-reader read-luks-header luks-header-uuid) - uuid=?)) + (partition-predicate luks-partition-field-reader uuid=?)) (define (find-partition predicate) "Return the first partition found that matches PREDICATE, or #f if none |