From 35bebab0e65eaa7e898c7162c01f29d4f9edd1de Mon Sep 17 00:00:00 2001
From: krcroft <krcroft@users.noreply.github.com>
Date: Sat, 11 Jan 2020 08:46:15 -0800
Subject: [PATCH] Cache the PVS-Studio package

---
 .github/workflows/analysis.yml | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/analysis.yml b/.github/workflows/analysis.yml
index b89c1be9..39915f9e 100644
--- a/.github/workflows/analysis.yml
+++ b/.github/workflows/analysis.yml
@@ -1,8 +1,6 @@
 name: Code analysis
 on: push
-
 jobs:
-
   run_linters:
     name: Script linters
     runs-on: ubuntu-18.04
@@ -70,19 +68,30 @@ jobs:
     name: PVS-Studio static analyzer
     runs-on: ubuntu-latest
     needs: run_linters
+    env:
+      debfile: pvs-studio-7.05.35582.25-amd64.deb
     steps:
       - uses: actions/checkout@v1
         with:
           fetch-depth: 1
       - run:  sudo apt-get update
-      - name: Log environment
-        run:  ./scripts/log-env.sh
+      - name: Log and setup environment
+        run:  |
+          ./scripts/log-env.sh
+          mkdir -p pvs-package
+      - uses: actions/cache@v1
+        id: cache-pvs
+        with:
+          path: pvs-package
+          key: ${{ env.debfile }}
+      - name:  Fetch PVS-Studio package
+        if:    steps.cache-pvs.outputs.cache-hit != 'true'
+        run:   wget "https://files.viva64.com/${debfile}" -O "pvs-package/pvs.deb"
       - name: Install packages
         run:  |
           set -xeu
-          wget -nv "https://files.viva64.com/pvs-studio-7.05.35582.25-amd64.deb" -O "pvs.deb" &
           sudo apt-get install strace $(./scripts/list-build-dependencies.sh -m apt -c gcc)
-          wait && sudo dpkg -i "pvs.deb"
+          sudo dpkg -i "pvs-package/pvs.deb"
           pvs-studio-analyzer credentials "${{ secrets.PvsStudioName }}" "${{ secrets.PvsStudioKey }}"
       - name: Build
         run:  pvs-studio-analyzer trace -- ./scripts/build.sh -c gcc -t debug