Add justfile recipes to help with releasing

.github/workflows/release.yml

@@ -7,9 +7,16 @@ on:
   push:
     # Enable when testing release infrastructure on a branch.
     # branches:
-     #  - fix-releases
+    #   - fix-releases
     tags:
-      - 'v*'
+    # For now, real releases always use `workflow_dispatch`, and running the workflow on tag pushes
+    # is only done in testing. This is because we usually push too many tags at once for the `push`
+    # event to be triggered, since there are usually more than 3 crates tagged together. So the
+    # `push` trigger doesn't usually work. If we allow it, we risk running the workflow twice if
+    # it is also manually triggered based on the assumption that it would not run. See #1970 for
+    # details. See also the `run-release-workflow` and `roll-release` recipes in the `justfile`.
+    # - 'v*'
+      - 'v*-DO-NOT-USE'  # Pattern for tags used to test the workflow (usually done in a fork).
   workflow_dispatch:
 
 permissions:

etc/unique-v-tag.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -efu
+IFS=$'\n'
+
+# shellcheck disable=SC2207  # Intentionally splitting. No globbing due to set -f.
+tags=(
+    $(git tag --points-at HEAD -- 'v*')
+)
+
+count="${#tags[@]}"
+if ((count != 1)); then
+    printf '%s: error: Found %d matching v* tags, need exactly 1.\n' "$0" "$count" >&2
+    exit 1
+fi
+
+printf '%s\n' "${tags[0]}"

justfile

@@ -295,3 +295,20 @@ check-mode:
 # Delete `gix-packetline-blocking/src` and regenerate from `gix-packetline/src`
 copy-packetline:
     etc/copy-packetline.sh
+
+# Get the unique `v*` tag at `HEAD`, or fail with an error
+unique-v-tag:
+    etc/unique-v-tag.sh
+
+# Trigger the `release.yml` workflow on the current `v*` tag
+run-release-workflow repo='':
+    optional_repo_arg={{ quote(repo) }} && \
+        export GH_REPO="${optional_repo_arg:-"${GH_REPO:-GitoxideLabs/gitoxide}"}" && \
+        tag_name="$({{ j }} unique-v-tag)" && \
+        printf 'Running release.yml in %s repo for %s tag.\n' "$GH_REPO" "$tag_name" && \
+        gh workflow run release.yml --ref "refs/tags/$tag_name"
+
+# Run `cargo smart-release` and then trigger `release.yml` for the `v*` tag
+roll-release *csr-args:
+    cargo smart-release {{ csr-args }}
+    {{ j }} run-release-workflow