Make the GitHub Action install the precise given version (#50)

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

action.yml

@@ -3,8 +3,12 @@ description: Install the JSON Schema CLI
 runs:
   using: composite
   steps:
-    # TODO: Install from the latest tag at or before the current commit sha
     - name: Install the JSON Schema CLI (latest)
       shell: bash
       run: |
-        /bin/sh -c "$(curl -fsSL https://raw.githubusercontent.com/intelligence-ai/jsonschema/main/install -H 'Cache-Control: no-cache, no-store, must-revalidate')"
+        curl --retry 5 --location --fail-early --silent --show-error \
+          --output "${GITHUB_WORKSPACE}/install.sh" \
+          "https://raw.githubusercontent.com/intelligence-ai/jsonschema/main/install"
+        chmod +x "${GITHUB_WORKSPACE}/install.sh"
+        "${GITHUB_WORKSPACE}/install.sh" "${GITHUB_REF#refs/tags/v}"
+        rm "${GITHUB_WORKSPACE}/install.sh"

install

@@ -6,35 +6,32 @@ set -o nounset
 UNAME="$(uname)"
 ARCH="$(uname -m)"
 
-if [ "$UNAME" = "Darwin" ]
-then
-  if [ "$ARCH" != "arm64" ]
-  then
-    echo "ERROR: There are no pre-built JSON Schema CLI binaries for macOS on $ARCH" 1>&2
-    echo "You might be able to build it from source" 1>&2
-    exit 1
-  fi
-
-  echo "---- Attempting to install the JSON Schema CLI using Homebrew" 1>&2
-  brew install intelligence-ai/apps/jsonschema
-elif [ "$UNAME" = "Linux" ]
+if [ "$UNAME" = "Darwin" ] || [ "$UNAME" = "Linux" ]
 then
   echo "---- Fetching the pre-built JSON Schema CLI binary from GitHub Releases" 1>&2
   OWNER="intelligence-ai"
   REPOSITORY="jsonschema"
-  LATEST_TAG="$(curl --silent "https://api.github.com/repos/$OWNER/$REPOSITORY/releases/latest" \
-    | grep '"tag_name"' | cut -d ':' -f 2 | tr -d 'v" ,')"
-  PACKAGE_BASE_URL="https://github.com/$OWNER/$REPOSITORY/releases/download/v$LATEST_TAG"
+
+  if [ $# -lt 1 ]
+  then
+    VERSION="$(curl --retry 5 --silent "https://api.github.com/repos/$OWNER/$REPOSITORY/releases/latest" \
+      | grep '"tag_name"' | cut -d ':' -f 2 | tr -d 'v" ,')"
+  else
+    VERSION="$1"
+  fi
+
+  PACKAGE_BASE_URL="https://github.com/$OWNER/$REPOSITORY/releases/download/v$VERSION"
   PACKAGE_PLATFORM_NAME="$(echo "$UNAME" | tr '[:upper:]' '[:lower:]')"
-  PACKAGE_URL="$PACKAGE_BASE_URL/jsonschema-$LATEST_TAG-$PACKAGE_PLATFORM_NAME-$ARCH.zip"
+  PACKAGE_URL="$PACKAGE_BASE_URL/jsonschema-$VERSION-$PACKAGE_PLATFORM_NAME-$ARCH.zip"
+  echo "---- Fetching version v$VERSION from $PACKAGE_URL" 1>&2
   OUTPUT="/usr/local"
   TMP="$(mktemp -d)"
   clean() { rm -rf "$TMP"; }
   trap clean EXIT
-  curl --location --output "$TMP/artifact.zip" "$PACKAGE_URL" 
+  curl --retry 5 --location --output "$TMP/artifact.zip" "$PACKAGE_URL"
   unzip "$TMP/artifact.zip" -d "$TMP/out"
   mkdir -p "$OUTPUT/bin"
-  install -v -m 0755 "$TMP/out/jsonschema-$LATEST_TAG-$PACKAGE_PLATFORM_NAME-$ARCH/bin/jsonschema" "$OUTPUT/bin"
+  install -v -m 0755 "$TMP/out/jsonschema-$VERSION-$PACKAGE_PLATFORM_NAME-$ARCH/bin/jsonschema" "$OUTPUT/bin"
 else
   echo "ERROR: I don't know how to install the JSON Schema CLI in $UNAME!" 1>&2
   echo "Open an issue here: https://github.com/Intelligence-AI/jsonschema/issues" 1>&2