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fix(ci): install dune and build inside the opam env

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First run failed with `dune: command not found`.

- ocaml/setup-ocaml provides a compiler and opam, not dune. dune is an
  ordinary opam package and this project has no .opam file for the
  action to infer one from, so nothing pulled it in
- add `opam install -y dune.3.14.0`, pinned to the version
  compiler/dune-project targets (`(lang dune 3.14)`)
- run the build as `opam exec -- ./scripts/mkdist.sh`: the script calls
  dune internally, so it needs the opam environment on PATH

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
shoney.arickathil 2026-08-25 07:17:59 +02:00
parent 72cd510676
commit 4f89d42948
1 changed files with 12 additions and 3 deletions
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15
.github/workflows/release.yml vendored
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@ -37,12 +37,19 @@ jobs:
steps: steps:
- uses: actions/checkout@v4 - uses: actions/checkout@v4
# The compiler is OCaml stdlib only — no opam packages — so this # setup-ocaml gives a compiler and opam. It does NOT give dune —
# step exists purely to get a compiler and dune onto the runner. # dune is an ordinary opam package, and this project has no .opam
# file for it to infer one from, so nothing pulls it in. The first
# run failed here with `dune: command not found`.
- uses: ocaml/setup-ocaml@v3 - uses: ocaml/setup-ocaml@v3
with: with:
ocaml-compiler: '4.14' ocaml-compiler: '4.14'
# Pinned to the version this project is developed against
# (compiler/dune-project says `(lang dune 3.14)`).
- name: Install dune
run: opam install -y dune.3.14.0
# The tag is the release's identity; VERSION is what the binaries # The tag is the release's identity; VERSION is what the binaries
# report. If they disagree the download URL would name a version # report. If they disagree the download URL would name a version
# nobody can install. mkdist.sh already guards VERSION against the # nobody can install. mkdist.sh already guards VERSION against the
@ -57,8 +64,10 @@ jobs:
exit 1 exit 1
} }
# `opam exec --` because mkdist.sh calls dune internally; without
# the opam environment on PATH the script cannot find it.
- name: Build the tarball - name: Build the tarball
run: ./scripts/mkdist.sh run: opam exec -- ./scripts/mkdist.sh
# The site links one exact filename. If mkdist ever changes its # The site links one exact filename. If mkdist ever changes its
# naming, the download button 404s for every visitor — so fail # naming, the download button 404s for every visitor — so fail