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| author | Danny Milosavljevic <dannym@scratchpost.org> | 2018-01-31 13:28:21 +0100 |
|---|---|---|
| committer | Danny Milosavljevic <dannym@scratchpost.org> | 2018-02-01 00:11:10 +0100 |
| commit | 015d0a8418d867c13ae83acb44dc1157df2fedae (patch) | |
| tree | c577312924e9b26066ac4763ef9c4e054e70bd37 /gnu/build | |
| parent | d4660a54401fb2c2a882d9ae8fa57393c3be193f (diff) | |
| download | gnu-guix-015d0a8418d867c13ae83acb44dc1157df2fedae.tar gnu-guix-015d0a8418d867c13ae83acb44dc1157df2fedae.tar.gz | |
linux-boot: Add find-long-options.
* gnu/build/linux/boot.scm (find-long-options): New variable.
Diffstat (limited to 'gnu/build')
| -rw-r--r-- | gnu/build/linux-boot.scm | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gnu/build/linux-boot.scm b/gnu/build/linux-boot.scm index 0ab8391b0b..c9de4f4b90 100644 --- a/gnu/build/linux-boot.scm +++ b/gnu/build/linux-boot.scm @@ -37,6 +37,7 @@ #:export (mount-essential-file-systems linux-command-line find-long-option + find-long-options make-essential-device-nodes make-static-device-nodes configure-qemu-networking @@ -99,6 +100,16 @@ Return the value associated with OPTION, or #f on failure." (lambda (arg) (substring arg (+ 1 (string-index arg #\=))))))) +(define (find-long-options option arguments) + "Find OPTIONs among ARGUMENTS, where OPTION is something like \"console\". +Return the values associated with OPTIONs as a list, or the empty list if +OPTION doesn't appear in ARGUMENTS." + (let ((opt (string-append option "="))) + (filter-map (lambda (arg) + (and (string-prefix? opt arg) + (substring arg (+ 1 (string-index arg #\=))))) + arguments))) + (define* (make-disk-device-nodes base major #:optional (minor 0)) "Make the block device nodes around BASE (something like \"/root/dev/sda\") with the given MAJOR number, starting with MINOR." |