Publish via GitHub Actions

Author: ehuss

.github/workflows/publish.yml

@@ -0,0 +1,32 @@
+on:
+  workflow_dispatch:
+    inputs:
+      git2:
+        description: "Publish git2"
+        type: boolean
+        default: true
+      git2_curl:
+        description: "Publish git2-curl"
+        type: boolean
+        default: true
+      libgit2_sys:
+        description: "Publish libgit2-sys"
+        type: boolean
+        default: true
+
+permissions:
+  contents: write
+
+jobs:
+  publish:
+    name: Publish to crates.io
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Publish
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+          PUBLISH_GIT2: ${{ inputs.git2 }}
+          PUBLISH_GIT2_CURL: ${{ inputs.git2_curl }}
+          PUBLISH_LIBGIT2_SYS: ${{ inputs.libgit2_sys }}
+        run: ./ci/publish.sh

ci/publish.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+set -e
+
+function publish {
+    publish_this="$1"
+    crate_name="$2"
+    manifest="$3"
+
+    if [ "$publish_this" != "true" ]
+    then
+        echo "Skipping $crate_name, publish not requested."
+        return
+    fi
+
+    # Get the version from Cargo.toml
+    version=`sed -n -E 's/^version = "(.*)"/\1/p' $manifest`
+
+    # Check crates.io if it is already published
+    set +e
+    output=`curl --fail --silent --head  https://crates.io/api/v1/crates/$crate_name/$version/download`
+    res="$?"
+    set -e
+    case $res in
+        0)
+            echo "${crate_name}@${version} appears to already be published"
+            return
+            ;;
+        22) ;;
+        *)
+            echo "Failed to check ${crate_name}@${version} res: $res"
+            echo "$output"
+            exit 1
+            ;;
+    esac
+
+    # cargo publish --manifest-path $manifest --no-verify
+
+    tag="${crate_name}-${version}"
+    git tag $tag
+    git push origin "$tag"
+}
+
+publish $PUBLISH_GIT2 git2 Cargo.toml
+publish $PUBLISH_GIT2_CURL git2-curl git2-curl/Cargo.toml
+publish $PUBLISH_LIBGIT2_SYS libgit2-sys libgit2-sys/Cargo.toml