Add CI for building and releasing index files

.github/release-tag.txt

@@ -0,0 +1 @@
+0.0.1

.github/scripts/increment-version.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# File containing the version
+TAG_FILE=".github/release-tag.txt"
+
+# Read the current version from the file
+if [ ! -f "$TAG_FILE" ]; then
+    echo "File with tag does not exist."
+    exit 1
+fi
+
+# Read the version from the file
+read -r current_version < "$TAG_FILE"
+
+# Break the version number into its components
+IFS='.' read -r major minor patch <<< "$current_version"
+
+# Ensure that the version number is valid
+if ! [[ $major =~ ^[0-9]+$ && $minor =~ ^[0-9]+$ && $patch =~ ^[0-9]+$ ]]; then
+    echo "Error: Version number '$current_version' is not in a valid MAJOR.MINOR.PATCH format."
+    exit 1
+fi
+
+# Increment the patch version
+patch=$((patch + 1))
+
+# Assemble the new version number
+new_version="${major}.${minor}.${patch}"
+
+# Write the new version back to the file
+echo "$new_version" > "$TAG_FILE"
+
+# Return the new version
+echo "$new_version"

.github/scripts/swap-index-url.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# Check for proper number of command line args.
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 path_to_json.xz new_url"
+    exit 1
+fi
+
+# Assign command line args to variables
+input_file="$1"
+new_url="$2"
+temp_json="temp.json"
+
+# Decompress the .xz file into a temporary JSON file
+xz -d -k -c "${input_file}" > "${temp_json}"
+
+# Check if jq is installed
+if ! command -v jq &> /dev/null
+then
+    echo "jq could not be found, please install jq to use this script."
+    exit 1
+fi
+
+# Update the URL field using jq
+jq --arg new_url "$new_url" '.entries[0].url = $new_url' "${temp_json}" > "${temp_json}.tmp" && mv "${temp_json}.tmp" "${temp_json}"
+
+# Compress the modified JSON file back into the .xz format
+xz -z -c "${temp_json}" > "${input_file}"
+
+# Remove the temporary JSON file
+rm "${temp_json}"
+
+echo "The url field has been updated to $new_url and the file ${input_file} is modified"

.github/workflows/install-index-release.yml

@@ -43,6 +43,9 @@ jobs:
   release:
     needs: indexing
     runs-on: ubuntu-latest
+    env:
+      TAG=($.github/increment-version.sh)
+      RELEASE_URL="https://github.com/${GITHUB_REPOSITORY}/releases/$TAG"
 
     steps:
       - name: Download Artifacts
@@ -54,18 +57,23 @@ jobs:
       - name: IJ check indexes
         run: ls -lhR indexing-results
 
+      - name: Swap data url in index.json.xz
+        run: |
+          PATH_TO_INDEX_FILE=(indexing-results/data/project/multi-jar/*.ijx.xz)
+          .github/scripts/swap-index-url.sh $PATH_TO_INDEX_FILE "$RELEASE_URL/$(basename "$PATH_TO_INDEX_FILE")"
+
       - name: Create Release
         id: create_release
         uses: softprops/action-gh-release@v2
 #        env:
 #          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: 1.0.0
+          tag_name: $TAG
           draft: true
           prerelease: false
           files: |
             indexing-results/project/list.json.xz
             indexing-results/project/multi-jar/index.json.xz
-            indexing-results/data/project/multi-jar/${{ github.sha }}/*.ijx.xz
-            indexing-results/data/project/multi-jar/${{ github.sha }}/*.metadata.json
-            indexing-results/data/project/multi-jar/${{ github.sha }}/*.sha256
+            indexing-results/data/project/multi-jar/*.ijx.xz
+            indexing-results/data/project/multi-jar/*.metadata.json
+            indexing-results/data/project/multi-jar/*.sha256