Automatically update pkgver using makepkg

README.md

@@ -45,6 +45,10 @@ Glob patterns will be expanded by bash when copying the files to the repository.
 
 **Optional** Comma-separated list of types to use when adding aur.archlinux.org to known hosts.
 
+### `update_pkgver`
+
+**Optional** Run `makepkg -od` to update `pkgver`. Requires that the `pkgver()` function defined in the `PKGBUILD` file doesn't required any dependencies other than git. The default value is `false`.
+
 ## Example usage
 
 ```yaml

action.yml

@@ -40,6 +40,10 @@ inputs:
     description: 'Comma-separated list of types to use when adding aur.archlinux.org to known hosts'
     required: false
     default: 'rsa,dsa,ecdsa,ed25519'
+  update_pkgver:
+    description: "Run `makepkg -od` to update `pkgver`. Requires that the `pkgver()` function defined in the `PKGBUILD` file doesn't required any dependencies other than git"
+    required: false
+    default: 'false'
 runs:
   using: 'docker'
   image: 'Dockerfile'

build.sh

@@ -13,6 +13,7 @@ commit_message=$INPUT_COMMIT_MESSAGE
 allow_empty_commits=$INPUT_ALLOW_EMPTY_COMMITS
 force_push=$INPUT_FORCE_PUSH
 ssh_keyscan_types=$INPUT_SSH_KEYSCAN_TYPES
+update_pkgver=$INPUT_UPDATE_PKGVER
 
 assert_non_empty() {
   name=$1
@@ -66,10 +67,25 @@ echo '::group::Copying files into /tmp/local-repo'
 # Ignore quote rule because we need to expand glob patterns to copy $assets
 if [[ -n "$assets" ]]; then
   echo 'Copying' $assets
-  cp -rt /tmp/local-repo/ $assets
+  cp -vrt /tmp/local-repo/ $assets
 fi
 echo '::endgroup::'
 
+if [ "$update_pkgver" = "true" ]; then
+  echo '::group::Updating pkgver'
+  echo 'Running `makepkg -od` to update pkgver'
+
+  # Update the pkgver in a temp folder
+  tmp_makepkg=$(mktemp -d)
+  cp -r /tmp/local-repo/* $tmp_makepkg
+  (cd $tmp_makepkg && makepkg -od)
+
+  # Copy back the PKGBUILD
+  cp $tmp_makepkg/PKGBUILD /tmp/local-repo/
+
+  echo '::endgroup::'
+fi
+
 echo '::group::Generating .SRCINFO'
 cd /tmp/local-repo
 makepkg --printsrcinfo >.SRCINFO