diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
index c4d53fc..6957247 100644
--- a/.github/workflows/updater.sh
+++ b/.github/workflows/updater.sh
@@ -9,8 +9,7 @@
 # Since each app is different, maintainers can adapt its contents so as to perform
 # automatic actions when a new upstream release is detected.
 
-# Remove this exit command when you are ready to run this Action
-exit 1
+# Heavily modified script for pulling on main branch instead of releases
 
 #=================================================
 # FETCHING LATEST RELEASE AND ITS ASSETS
@@ -18,71 +17,38 @@ exit 1
 
 # Fetching information
 current_version=$(cat manifest.json | jq -j '.version|split("~")[0]')
+current_commit=$(cat conf/app.src | grep 'SOURCE_FILENAME' | cut -d= -f2 | cut -d. -f1)
 repo=$(cat manifest.json | jq -j '.upstream.code|split("https://github.com/")[1]')
-# Some jq magic is needed, because the latest upstream release is not always the latest version (e.g. security patches for older versions)
-version=$(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '.[] | select( .prerelease != true ) | .tag_name' | sort -V | tail -1)
-assets=($(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '[ .[] | select(.tag_name=="'$version'").assets[].browser_download_url ] | join(" ") | @sh' | tr -d "'"))
-
-# Later down the script, we assume the version has only digits and dots
-# Sometimes the release name starts with a "v", so let's filter it out.
-# You may need more tweaks here if the upstream repository has different naming conventions. 
-if [[ ${version:0:1} == "v" || ${version:0:1} == "V" ]]; then
-    version=${version:1}
-fi
+last=$(curl --silent "https://api.github.com/repos/$repo/branches/main")
+last_version=$(echo $last | jq -r '.commit.commit.author.date' | cut -dT -f1 | tr - .)
+last_commit=$(echo $last | jq -r '.commit.sha')
 
 # Setting up the environment variables
-echo "Current version: $current_version"
-echo "Latest release from upstream: $version"
-echo "VERSION=$version" >> $GITHUB_ENV
+echo "Current version: $current_version commit $current_commit"
+echo "Latest release from upstream: $last_version commit $last_commit"
+echo "VERSION=$last_version" >> $GITHUB_ENV
 # For the time being, let's assume the script will fail
 echo "PROCEED=false" >> $GITHUB_ENV
 
 # Proceed only if the retrieved version is greater than the current one
-if ! dpkg --compare-versions "$current_version" "lt" "$version" ; then
+if ! dpkg --compare-versions "$current_version" "lt" "$last_version" ; then
     echo "::warning ::No new version available"
     exit 0
 # Proceed only if a PR for this new version does not already exist
-elif git ls-remote -q --exit-code --heads https://github.com/$GITHUB_REPOSITORY.git ci-auto-update-v$version ; then
+elif git ls-remote -q --exit-code --heads https://github.com/$GITHUB_REPOSITORY.git ci-auto-update-v$last_version ; then
     echo "::warning ::A branch already exists for this update"
     exit 0
 fi
 
-# Each release can hold multiple assets (e.g. binaries for different architectures, source code, etc.)
-echo "${#assets[@]} available asset(s)"
-
 #=================================================
 # UPDATE SOURCE FILES
 #=================================================
 
-# Here we use the $assets variable to get the resources published in the upstream release.
-# Here is an example for Grav, it has to be adapted in accordance with how the upstream releases look like.
-
-# Let's loop over the array of assets URLs
-for asset_url in ${assets[@]}; do
-
-echo "Handling asset at $asset_url"
-
-# Assign the asset to a source file in conf/ directory
-# Here we base the source file name upon a unique keyword in the assets url (admin vs. update)
-# Leave $src empty to ignore the asset
-case $asset_url in
-  *"admin"*)
-    src="app"
-    ;;
-  *"update"*)
-    src="app-upgrade"
-    ;;
-  *)
-    src=""
-    ;;
-esac
-
-# If $src is not empty, let's process the asset
-if [ ! -z "$src" ]; then
-
 # Create the temporary directory
 tempdir="$(mktemp -d)"
 
+asset_url="https://github.com/$repo/archive/$last_commit.tar.gz"
+
 # Download sources and calculate checksum
 filename=${asset_url##*/}
 curl --silent -4 -L $asset_url -o "$tempdir/$filename"
@@ -91,29 +57,17 @@ checksum=$(sha256sum "$tempdir/$filename" | head -c 64)
 # Delete temporary directory
 rm -rf $tempdir
 
-# Get extension
-if [[ $filename == *.tar.gz ]]; then
-  extension=tar.gz
-else
-  extension=${filename##*.}
-fi
-
 # Rewrite source file
-cat <<EOT > conf/$src.src
+cat <<EOT > conf/app.src
 SOURCE_URL=$asset_url
 SOURCE_SUM=$checksum
 SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=$extension
+SOURCE_FORMAT=.tar.gz
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
+SOURCE_FILENAME=$filename
+SOURCE_EXTRACT=true
 EOT
-echo "... conf/$src.src updated"
-
-else
-echo "... asset ignored"
-fi
-
-done
+echo "... conf/app.src updated"
 
 #=================================================
 # SPECIFIC UPDATE STEPS
@@ -127,7 +81,7 @@ done
 #=================================================
 
 # Replace new version in manifest
-echo "$(jq -s --indent 4 ".[] | .version = \"$version~ynh1\"" manifest.json)" > manifest.json
+echo "$(jq -s --indent 4 ".[] | .version = \"$last_version~ynh1\"" manifest.json)" > manifest.json
 
 # No need to update the README, yunohost-bot takes care of it