update github actions workflow for all branch and so on

* support another branch to unify another branch's github actions workflow
* add timeout
* update readme's build status

.github/workflows/build.yml

@@ -1,22 +1,68 @@
-name: Test with PG13
+name: Test
 
 on:
   push:
-    branches: [ master ]
+    branches:
+      - master
+      - REL_13_STABLE
+      - REL_12_STABLE
+      - REL_11_STABLE
+      - REL_10_STABLE
+      - REL9_6_STABLE
+      - REL9_5_STABLE
+      - REL9_4_STABLE
+      - REL9_3_STABLE
+      - REL9_2_STABLE
   pull_request:
-    branches: [ master ]
+    branches:
+      - master
+      - REL_13_STABLE
+      - REL_12_STABLE
+      - REL_11_STABLE
+      - REL_10_STABLE
+      - REL9_6_STABLE
+      - REL9_5_STABLE
+      - REL9_4_STABLE
+      - REL9_3_STABLE
+      - REL9_2_STABLE
   schedule:
-    - cron: "0 1 * * SUN"
+    - cron: "0 1 * * SUN"      # only master
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    timeout-minutes: 20
     env:
       CACHE_VERSION: 20210426  # to identify cache version
-      PGVERSION: 13.2          # currently, pg_rman supports only stable version.
-      #PGVERSION: master
 
     steps:
+    - name: get current branch name
+      shell: bash -xe {0}
+      run: |
+        if [ ${{ github.event_name }} = "pull_request" ]; then
+          echo "BRANCH=${{ github.base_ref }}" >>  $GITHUB_ENV
+        else # push
+          echo "BRANCH=${GITHUB_REF##*/}" >>  $GITHUB_ENV
+        fi
+
+    - name: set build postgresql version
+      shell: bash -xe {0}
+      run: |
+        declare -A versions=(
+          ["master"]="13.2"                # TODO: build with master branch
+          ["REL_13_STABLE"]="13.2"
+          ["REL_12_STABLE"]="12.6"
+          ["REL_11_STABLE"]="11.11"
+          ["REL_10_STABLE"]="10.16"
+          ["REL9_6_STABLE"]="9.6.21"
+          ["REL9_5_STABLE"]="9.5.25"
+          ["REL9_4_STABLE"]="9.4.26"
+          ["REL9_3_STABLE"]="9.3.25"
+          ["REL9_2_STABLE"]="9.2.24"
+        )
+        [ -z "${versions[${{ env.BRANCH }}]}" ] && exit 1         # check if the key exists
+        echo "PGVERSION=${versions[${{ env.BRANCH }}]}" >> $GITHUB_ENV
+
     - name: cache builded resources
       id: cache-postgresql-core
       uses: actions/cache@v2

README.md

@@ -14,13 +14,13 @@ different PostgreSQL server versions without introducing server version
 check code blocks.  Please choose a branch to match the PostgreSQL version
 you will be building pg_rman against.
 
-* master : branch for latest PostgreSQL stable version [![Test with PG13](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=master&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
-* REL_13_STABLE : branch for PostgreSQL 13.0
-* REL_12_STABLE : branch for PostgreSQL 12.0
-* REL_11_STABLE : branch for PostgreSQL 11.0
-* REL_10_STABLE : branch for PostgreSQL 10.0
-* REL9_6_STABLE : branch for PostgreSQL 9.6
-* REL9_5_STABLE : branch for PostgreSQL 9.5
+* master : branch for latest PostgreSQL stable version [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=master&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
+* REL_13_STABLE : branch for PostgreSQL 13.0 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_13_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
+* REL_12_STABLE : branch for PostgreSQL 12.0 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_12_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
+* REL_11_STABLE : branch for PostgreSQL 11.0 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_11_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
+* REL_10_STABLE : branch for PostgreSQL 10.0 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL_10_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
+* REL9_6_STABLE : branch for PostgreSQL 9.6 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL9_6_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
+* REL9_5_STABLE : branch for PostgreSQL 9.5 [![Test](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml/badge.svg?branch=REL9_5_STABLE&event=push)](https://github.com/ossc-db/pg_rman/actions/workflows/build.yml)
 
 How to use
 ----------