Hi Roel, Roel Janssen <r...@gnu.org> skribis:
> I'd like to change the way the symlinks to custom profiles are created. > Here's what currently happens: > > $ guixr package -i hello -p guix-profiles/test > $ ls -l guix-profiles > lrwxrwxrwx. 1 user group 25 Jul 3 19:53 test -> guix-profiles/test-1-link > lrwxrwxrwx. 1 user group 51 Jul 3 19:53 test-1-link -> > /gnu/store/...6qbaps-profile > > Now, that symlink is broken. > Instead, I'd like to have it always use absolute paths: How about instead making the link to the generation file (“test-1-link”) always a relative symlink? Like this: --8<---------------cut here---------------start------------->8--- $ ./pre-inst-env guix package -p foo/x -i sed [...] $ ls -l foo/* lrwxrwxrwx 1 ludo users 8 Jul 11 13:03 foo/x -> x-1-link lrwxrwxrwx 1 ludo users 51 Jul 11 13:03 foo/x-1-link -> /gnu/store/qp6dqlbsf0pw9p9fwc3gzdcaxx40rn9v-profile --8<---------------cut here---------------end--------------->8--- Patch below. FWIW I prefer avoiding ‘canonicalize-path’ in general because it’s inefficient and because it can surprise the user: you can end up with a long file name that you didn’t type in, or you can have ENOENT errors because ‘canonicalize-path’ requires the given file to exist. WDYT? Thanks, Ludo’.
diff --git a/guix/profiles.scm b/guix/profiles.scm index d2a794b18..f34f4fcff 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -1521,7 +1521,7 @@ the generation that was current before switching." (profile profile) (generation number))))) (else - (switch-symlinks profile generation) + (switch-symlinks profile (basename generation)) current)))) (define (switch-to-previous-generation profile) diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm index 29829f52c..b38a55d01 100644 --- a/guix/scripts/package.scm +++ b/guix/scripts/package.scm @@ -190,7 +190,7 @@ do not treat collisions in MANIFEST as an error." (let* ((entries (manifest-entries manifest)) (count (length entries))) (switch-symlinks name prof) - (switch-symlinks profile name) + (switch-symlinks profile (basename name)) (unless (string=? profile %current-profile) (register-gc-root store name)) (format #t (N_ "~a package in profile~%" diff --git a/tests/guix-package.sh b/tests/guix-package.sh index 3b3fa35cd..3833b568a 100644 --- a/tests/guix-package.sh +++ b/tests/guix-package.sh @@ -215,7 +215,7 @@ do guix package --bootstrap --roll-back ! test -f "$HOME/.guix-profile/bin" ! test -f "$HOME/.guix-profile/lib" - test "`readlink "$default_profile"`" = "$default_profile-0-link" + test "`readlink "$default_profile"`" = "`basename $default_profile-0-link`" done # Check whether '-p ~/.guix-profile' makes any difference.