feat: Copy all package files, not just PKGBUILD

Also update CI workflow to test against a package with multiple source
files.

This fixes #31

Author: dcelasun

.github/workflows/main.yml

@@ -24,22 +24,28 @@ jobs:
           sed -i 's/.*image\:.*/  image\: \"Dockerfile\"/' action.yml
           cat action.yml
 
-      - name: Get sample PKGBUILD
-        run: wget https://github.com/${{ github.repository_owner }}/plenti-bin/raw/f5ffaaee02a2119aa16f6b7a27e87e198e096b47/PKGBUILD
-
+      - name: Get sample package
+        run: |
+          mkdir visual-studio-code-bin
+          pushd visual-studio-code-bin
+          wget https://github.com/dcelasun/pkgbuilds/raw/ee68e4c19c40a0a36a50e289259fcfd94f43786d/visual-studio-code-bin/PKGBUILD
+          wget https://github.com/dcelasun/pkgbuilds/raw/ee68e4c19c40a0a36a50e289259fcfd94f43786d/visual-studio-code-bin/.SRCINFO
+          wget https://github.com/dcelasun/pkgbuilds/raw/ee68e4c19c40a0a36a50e289259fcfd94f43786d/visual-studio-code-bin/visual-studio-code-bin.install
+          wget https://github.com/dcelasun/pkgbuilds/raw/ee68e4c19c40a0a36a50e289259fcfd94f43786d/visual-studio-code-bin/visual-studio-code-bin.sh
+          popd
       - name: Running test
         uses: ./
         with:
-          pkgver: '0.4.26'
-          pkgrel: 2
+          pkgver: '1.100.1'
+          pkgrel: 1
           updpkgsums: true
           srcinfo: true
+          path: 'visual-studio-code-bin'
 
       - name: Show diff
         run: |
           ls -la
-          git diff PKGBUILD
-          git diff .SRCINFO
+          git diff
 
   publish:
     name: Publish OCI image
@@ -126,8 +132,7 @@ jobs:
       - name: Show diff
         run: |
           ls -la
-          git diff PKGBUILD
-          git diff .SRCINFO
+          git diff
 
   release:
     name: Release

entrypoint.sh

@@ -2,15 +2,24 @@
 set -e
 
 # Set path
-WORKPATH=$GITHUB_WORKSPACE/$INPUT_PATH
 HOME=/home/builder
-echo "::group::Copying files from $WORKPATH to $HOME/gh-action"
+echo "::group::Copying files from $GITHUB_WORKSPACE to $HOME/gh-action"
 # Set path permision
 cd $HOME
 mkdir gh-action
 cd gh-action
-cp -rfv "$GITHUB_WORKSPACE"/.git ./
-cp -fv "$WORKPATH"/PKGBUILD ./
+
+# If there is a custom path, we need to copy the whole repository
+# because we run "git diff" at several stages and without the entire
+# tree the output will be incorrect.
+if [[ -n $INPUT_PATH ]]; then
+  cp -rTfv "$GITHUB_WORKSPACE"/ ./
+  cd $INPUT_PATH
+else
+  # Without a custom path though, we can just grab the .git directory and the PKGBUILD.
+  cp -rfv "$GITHUB_WORKSPACE"/.git ./
+  cp -fv "$GITHUB_WORKSPACE"/PKGBUILD ./
+fi
 echo "::endgroup::"
 
 # Update archlinux-keyring
@@ -28,7 +37,7 @@ if [[ -n $INPUT_PKGVER ]]; then
     echo "::endgroup::"
 fi
 
-# Update pkgver
+# Update pkgrel
 if [[ -n $INPUT_PKGREL ]]; then
     echo "::group::Updating pkgrel on PKGBUILD"
     sed -i "s:^pkgrel=.*$:pkgrel=$INPUT_PKGREL:g" PKGBUILD
@@ -74,6 +83,8 @@ if [[ -n $INPUT_FLAGS ]]; then
     echo "::endgroup::"
 fi
 
+WORKPATH=$GITHUB_WORKSPACE/$INPUT_PATH
+WORKPATH=${WORKPATH%/} # Remove trailing slash if $INPUT_PATH is empty
 echo "::group::Copying files from $HOME/gh-action to $WORKPATH"
 sudo cp -fv PKGBUILD "$WORKPATH"/PKGBUILD
 if [[ -e .SRCINFO ]]; then