Try to fix Snap.

Thanks to xet7 !

snapcraft.yaml

@@ -130,33 +130,10 @@ parts:
             - npm
         stage-packages:
             - libfontconfig1
-                override-build: |
-                        set -euo pipefail
-                        echo "Cleaning environment first"
+        override-build: |
+            echo "Cleaning environment first"
             #rm -rf ~/.meteor ~/.npm /usr/local/lib/node_modules
-                        rm -rf .build
-                        # Helper: resilient downloader (tries curl, then wget) with retries/backoff
-                        download() {
-                            url="$1"; out="$2"; attempts="${3:-5}"; sleepsec=5
-                            for i in $(seq 1 "$attempts"); do
-                                echo "[download] ($i/$attempts) $url -> $out"
-                                if command -v curl >/dev/null 2>&1; then
-                                    if curl -fL --retry 5 --retry-all-errors --connect-timeout 20 --max-time 0 -o "$out" "$url"; then
-                                        return 0
-                                    fi
-                                fi
-                                if command -v wget >/dev/null 2>&1; then
-                                    if wget --tries=5 --waitretry=5 --retry-connrefused -O "$out" "$url"; then
-                                        return 0
-                                    fi
-                                fi
-                                echo "[download] attempt $i failed, sleeping ${sleepsec}s before retry..."
-                                sleep "$sleepsec" || true
-                                sleepsec=$(( sleepsec * 2 ))
-                            done
-                            echo "[download] ERROR: Unable to download $url after $attempts attempts" >&2
-                            return 1
-                        }
+            rm -rf .build
             #echo "Using http npm packages so speedup install process https://stackoverflow.com/questions/39760113/callback-called-more-than-once-while-running-npm-install"
             #echo "registry=http://registry.npmjs.org/" > ~/.npmrc
             #echo "Installing npm, node-gyp, node-pre-gyp, fibers"
@@ -189,9 +166,9 @@ parts:
             # Cleanup
             mkdir .build
             cd .build
-            download https://github.com/wekan/wekan/releases/download/v8.15/wekan-8.15-amd64.zip wekan-8.15-amd64.zip 6
-            unzip -q wekan-8.15-amd64.zip
-            rm -f wekan-8.15-amd64.zip
+            wget https://github.com/wekan/wekan/releases/download/v8.16/wekan-8.16-amd64.zip
+            unzip wekan-8.16-amd64.zip
+            rm wekan-8.16-amd64.zip
             cd ..
             ##cd .build/bundle
             ##find . -type d -name '*-garbage*' | xargs rm -rf
@@ -206,9 +183,9 @@ parts:
             #rm fibers-multi.7z
             #cd ../../../../../../..
             # Copy to Snap
-            download https://github.com/wekan/node-v14-esm/releases/download/v14.21.4/node-v14.21.4-linux-x64.tar.xz node-v14.21.4-linux-x64.tar.xz 6
+            wget https://github.com/wekan/node-v14-esm/releases/download/v14.21.4/node-v14.21.4-linux-x64.tar.xz
             tar -xf node-v14.21.4-linux-x64.tar.xz node-v14.21.4-linux-x64/bin/node
-            rm -f node-v14.21.4-linux-x64.tar.xz
+            rm node-v14.21.4-linux-x64.tar.xz
             mkdir $SNAPCRAFT_PART_INSTALL/bin
             cp -p node-v14.21.4-linux-x64/bin/node $SNAPCRAFT_PART_INSTALL/bin/
             rm -rf node-v14.21.4-linux-x64
@@ -248,56 +225,41 @@ parts:
             - apt-transport-https
             - gnupg
             - curl
-                override-build: |
-                        set -euo pipefail
-                        # Resilient install of Caddy: try APT with retries, fallback to static binary
-                        echo "Installing Caddy 2..."
-                        try_apt_install() {
-                            echo "[caddy] Adding repository and installing via APT"
-                            curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | gpg --dearmor -o /tmp/caddy-stable-archive-keyring.gpg
-                            mkdir -p /etc/apt/keyrings
-                            cp /tmp/caddy-stable-archive-keyring.gpg /etc/apt/keyrings/
-                            echo "deb [signed-by=/etc/apt/keyrings/caddy-stable-archive-keyring.gpg] https://dl.cloudsmith.io/public/caddy/stable/deb/debian any-version main" > /etc/apt/sources.list.d/caddy-stable.list
-                            apt-get -o Acquire::Retries=5 -o Acquire::http::Timeout=30 -o Acquire::https::Timeout=30 update
-                            DEBIAN_FRONTEND=noninteractive apt-get -o Acquire::Retries=5 -o Acquire::http::Timeout=30 -o Acquire::https::Timeout=30 -y install caddy
-                        }
-                        download_caddy_static() {
-                            echo "[caddy] Falling back to static binary download"
-                            CADDY_URL="https://github.com/caddyserver/caddy/releases/download/v2.8.4/caddy_2.8.4_linux_amd64.tar.gz"
-                            TMPDIR=$(mktemp -d)
-                            curl -fL --retry 5 --retry-all-errors --connect-timeout 20 --max-time 0 "$CADDY_URL" -o "$TMPDIR/caddy.tgz" || wget --tries=5 --waitretry=5 --retry-connrefused -O "$TMPDIR/caddy.tgz" "$CADDY_URL"
-                            tar -C "$TMPDIR" -xzf "$TMPDIR/caddy.tgz" caddy
-                            install -m 0755 "$TMPDIR/caddy" /usr/bin/caddy
-                            rm -rf "$TMPDIR"
-                        }
-                        if ! try_apt_install; then
-                            echo "[caddy] APT path failed; using static binary"
-                            download_caddy_static
-                        fi
+        override-build: |
+            # Add Caddy repository
+            echo "Installing Caddy 2 from the official repository..."
+            curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | gpg --dearmor -o /tmp/caddy-stable-archive-keyring.gpg
+            mkdir -p /etc/apt/keyrings
+            cp /tmp/caddy-stable-archive-keyring.gpg /etc/apt/keyrings/
+            echo "deb [signed-by=/etc/apt/keyrings/caddy-stable-archive-keyring.gpg] https://dl.cloudsmith.io/public/caddy/stable/deb/debian any-version main" > /etc/apt/sources.list.d/caddy-stable.list
+            apt update
+            apt -y install caddy
 
-                        echo "Installed Caddy version:"
-                        /usr/bin/caddy version || true
+            # Display installed Caddy version for confirmation
+            echo "Installed Caddy version:"
+            /usr/bin/caddy version
 
-                        # Create directory structure in the snap
-                        mkdir -p $SNAPCRAFT_PART_INSTALL/bin
-                        # Copy Caddy binary
-                        cp /usr/bin/caddy $SNAPCRAFT_PART_INSTALL/bin/
-                        chmod +x $SNAPCRAFT_PART_INSTALL/bin/caddy
+            # Create directory structure in the snap
+            mkdir -p $SNAPCRAFT_PART_INSTALL/bin
 
-                        # Create license files manually since they don't exist in the package
-                        mkdir -p $SNAPCRAFT_PART_INSTALL/license
-                        echo "Caddy is licensed under the Apache License 2.0. See https://github.com/caddyserver/caddy/blob/master/LICENSE" > $SNAPCRAFT_PART_INSTALL/license/CADDY_LICENSE
+            # Copy Caddy binary
+            cp /usr/bin/caddy $SNAPCRAFT_PART_INSTALL/bin/
+            chmod +x $SNAPCRAFT_PART_INSTALL/bin/caddy
 
-                        # Create a basic default Caddyfile for the snap
-                        mkdir -p $SNAPCRAFT_PART_INSTALL/etc
-                        cat > $SNAPCRAFT_PART_INSTALL/etc/Caddyfile << 'EOF'
-                        # Default Caddyfile for Wekan
-                        # This is loaded by caddy-control script if no other config is provided
+            # Create license files manually since they don't exist in the package
+            mkdir -p $SNAPCRAFT_PART_INSTALL/license
+            echo "Caddy is licensed under the Apache License 2.0. See https://github.com/caddyserver/caddy/blob/master/LICENSE" > $SNAPCRAFT_PART_INSTALL/license/CADDY_LICENSE
 
-                        :8080 {
-                                reverse_proxy localhost:3000
-                        }
-                        EOF
+            # Create a basic default Caddyfile for the snap
+            mkdir -p $SNAPCRAFT_PART_INSTALL/etc
+            cat > $SNAPCRAFT_PART_INSTALL/etc/Caddyfile << 'EOF'
+            # Default Caddyfile for Wekan
+            # This is loaded by caddy-control script if no other config is provided
+
+            :8080 {
+                reverse_proxy localhost:3000
+            }
+            EOF
         stage:
             - bin/caddy
             - license/CADDY_LICENSE