From 6b31f210ac923efb03816308cd129b8d434c397e Mon Sep 17 00:00:00 2001
From: Simon Lepel <simbo@simbo.de>
Date: Wed, 7 Sep 2022 09:52:34 +0200
Subject: [PATCH] improve error handling

---
 action.yml | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/action.yml b/action.yml
index 5b86bb2..2b43e72 100644
--- a/action.yml
+++ b/action.yml
@@ -54,16 +54,25 @@ runs:
       shell: bash
       run: |
         if [[ "${{ inputs.version }}" = "" ]]; then
-          valeVersion="$(curl -sL https://api.github.com/repos/errata-ai/vale/releases/latest | grep '"tag_name":' | cut -d \" -f 4 | cut -d v -f 2)"
+          valeVersionData=$(curl -sfL https://api.github.com/repos/errata-ai/vale/releases/latest)
+          if [[ "$valeVersionData" = "" ]]; then
+            echo "::error title=GitHub API Error::Could not retrieve the latest Vale version info from GitHub API."
+            exit 1
+          fi
+          valeVersion="$(printf "$valeVersionData" | grep '"tag_name":' | cut -d \" -f 4 | cut -d v -f 2)"
         else
           valeVersion="${{ inputs.version }}"
         fi
         if ! [[ "$valeVersion" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-          echo "::error title=invalid version::vale version '${valeVersion}' is not a valid semver version"
+          echo "::error title=Invalid Version::The Vale version '${valeVersion}' is not a valid semver version."
           exit 1
         fi
         echo "::group::Vale Installation"
-        curl -sL https://github.com/errata-ai/vale/releases/download/v${valeVersion}/vale_${valeVersion}_Linux_64-bit.tar.gz -o vale.tar.gz
+        curl -sfL https://github.com/errata-ai/vale/releases/download/v${valeVersion}/vale_${valeVersion}_Linux_64-bit.tar.gz -o vale.tar.gz
+        if ! [[ -f vale.tar.gz ]]; then
+          echo "::error title=Vale Download failed::Downloading the latest Vale version failed."
+          exit 1
+        fi
         mkdir -p ${RUNNER_TEMP}/bin
         tar -xvzf vale.tar.gz -C ${RUNNER_TEMP}/bin
         rm vale.tar.gz
@@ -83,7 +92,12 @@ runs:
       shell: bash
       run: |
         echo "::group::Reviewdog Installation"
-        curl -sL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh | sh -s -- -b ${RUNNER_TEMP}/bin
+        reviewdogScript=$(curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh)
+        if [[ "$reviewdogScript" = "" ]]; then
+          echo "::error title=Reviewdog Download failed::Downloading the Reviewdog script from GitHub failed."
+          exit 1
+        fi
+        printf "$reviewdogScript" | sh -s -- -b ${RUNNER_TEMP}/bin
         echo "::endgroup::"
 
     - name: 🧑‍🏫 Run Vale with Reviewdog