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| author | Ludovic Courtès <ludo@gnu.org> | 2018-09-08 22:56:40 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2018-09-08 23:02:01 +0200 |
| commit | 5dec93bb8ba89605bce2f9a5ee9c4dbadeee3b58 (patch) | |
| tree | 28b7f873e8d7dd919b2110ab0bc1898aeeaaf300 /guix/gexp.scm | |
| parent | e80c725db7d11618dec7c3f92845f71b0a9715b0 (diff) | |
gexp: 'file-union' accepts directory names.
* guix/gexp.scm (file-union): Import (guix build utils). Make the
parent directories of TARGET.
* tests/gexp.scm ("file-union"): New test.
Diffstat (limited to 'guix/gexp.scm')
| -rw-r--r-- | guix/gexp.scm | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/guix/gexp.scm b/guix/gexp.scm index ffc976d61b..f7a23db872 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -1479,26 +1479,31 @@ denoting the target file. Here's an example: `((\"hosts\" ,(plain-file \"hosts\" \"127.0.0.1 localhost\")) (\"bashrc\" ,(plain-file \"bashrc\" - \"alias ls='ls --color'\")))) + \"alias ls='ls --color'\")) + (\"libvirt/qemu.conf\" ,(plain-file \"qemu.conf\" \"\")))) This yields an 'etc' directory containing these two files." (computed-file name - (gexp - (begin - (mkdir (ungexp output)) - (chdir (ungexp output)) - (ungexp-splicing - (map (match-lambda - ((target source) - (gexp - (begin - ;; Stat the source to abort early if it does - ;; not exist. - (stat (ungexp source)) - - (symlink (ungexp source) - (ungexp target)))))) - files)))))) + (with-imported-modules '((guix build utils)) + (gexp + (begin + (use-modules (guix build utils)) + + (mkdir (ungexp output)) + (chdir (ungexp output)) + (ungexp-splicing + (map (match-lambda + ((target source) + (gexp + (begin + ;; Stat the source to abort early if it does + ;; not exist. + (stat (ungexp source)) + + (mkdir-p (dirname (ungexp target))) + (symlink (ungexp source) + (ungexp target)))))) + files))))))) (define* (directory-union name things #:key (copy? #f) (quiet? #f) |