Add new/modified package linting through Forgejo actions.

* .forgejo/workflows/lint.yml: New file.

1 files changed, 31 insertions, 0 deletions

diff --git a/.forgejo/workflows/lint.yml b/.forgejo/workflows/lint.yml
new file mode 100644
index 0000000..626305c
--- /dev/null
+++ b/.forgejo/workflows/lint.yml
@@ -0,0 +1,31 @@
+on:
+  push:
+    paths-ignore:
+    - 'README.rst'
+    - '.guix-authorizations'
+    - '.guix-channel'
+  pull_request:
+    paths:
+      - 'guix-science/packages/**'
+
+jobs:
+  lint-new-modified:
+    name: Lint new/modified packages
+    runs-on: guix
+    steps:
+      - run: |
+          set -e
+          set -o pipefail
+          GUIX_COMMIT=$(guix shell git -- git ls-remote https://codeberg.org/guix/guix.git HEAD | cut -f 1)
+          echo "(list (channel (name 'guix-science) (url \"${{ forge.event.pull_request.head.repo.clone_url }}\") (commit \"${{ forge.event.pull_request.head.sha }}\")) (channel (name 'guix) (url \"https://codeberg.org/guix/guix.git\") (commit \"$GUIX_COMMIT\") (introduction (make-channel-introduction \"9edb3f66fd807b096b48283debdcddccfea34bad\" (openpgp-fingerprint \"BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA\")))))" > channels-head.scm
+          echo "(list (channel (name 'guix-science) (url \"${{ forge.event.pull_request.head.repo.clone_url }}\") (commit \"${{ forge.event.pull_request.merge_base }}\")) (channel (name 'guix) (url \"https://codeberg.org/guix/guix.git\") (commit \"$GUIX_COMMIT\") (introduction (make-channel-introduction \"9edb3f66fd807b096b48283debdcddccfea34bad\" (openpgp-fingerprint \"BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA\")))))" > channels-base.scm
+
+          guix shell git -- git clone --depth=1 https://gitlab.inria.fr/guix-hpc/guix-extensions 2> /dev/null
+          export GUIX_EXTENSIONS_PATH=$(pwd)/guix-extensions/guix/extensions
+          # Hide time-machine STDERR
+          export PACKAGES=$(guix time-machine -C channels-head.scm -- diff -r -C channels-base.scm 2> /dev/null)
+          # Lint all packages at once
+          if [[ -z "$PACKAGES" ]] ; then echo "No packages to lint" && exit 0 ; else echo "Linting $PACKAGES" ; export LINT="$(guix time-machine -C channels-head.scm -- lint $PACKAGES)" ; fi
+          # Exit with error when lint writes on STDOUT.
+          if [[ -z "$LINT" ]] ; then echo "No lint warning for packages $PACKAGES" ; else echo "$LINT" && exit 1 ; fi
+