diff options
Diffstat (limited to 'guix/channels.scm')
| -rw-r--r-- | guix/channels.scm | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/guix/channels.scm b/guix/channels.scm index 689b30e0eb..a5e9d7774d 100644 --- a/guix/channels.scm +++ b/guix/channels.scm @@ -77,6 +77,7 @@ %default-guix-channel %default-channels guix-channel? + repository->guix-channel channel-instance? channel-instance-channel @@ -202,6 +203,26 @@ introduction, add it." (introduction %guix-channel-introduction)) chan)) +(define* (repository->guix-channel directory + #:key + (introduction %guix-channel-introduction)) + "Look for a Git repository in DIRECTORY or its ancestors and return a +channel that uses that repository and the commit HEAD currently points to; use +INTRODUCTION as the channel's introduction. Return #f if no Git repository +could be found at DIRECTORY or one of its ancestors." + (catch 'git-error + (lambda () + (with-repository (repository-discover directory) repository + (let* ((head (repository-head repository)) + (commit (oid->string (reference-target head)))) + (channel + (inherit %default-guix-channel) + (url (repository-working-directory repository)) + (commit commit) + (branch (reference-shorthand head)) + (introduction introduction))))) + (const #f))) + (define-record-type <channel-instance> (channel-instance channel commit checkout) channel-instance? |