feat: HTML default page

docker/Dockerfile

@@ -111,14 +111,112 @@ RUN mkdir /out
 
 FROM toolchain AS builder
 
+
+# Get source
+COPY . .
+
 # Conduwuit version info
 ARG COMMIT_SHA=
+ARG SHORT_COMMIT_SHA=
+ARG REMOTE_URL=
 ARG CONDUWUIT_VERSION_EXTRA=
+ENV COMMIT_SHA=$COMMIT_SHA
+ENV SHORT_COMMIT_SHA=$SHORT_COMMIT_SHA
+ENV REMOTE_URL=$REMOTE_URL
 ENV CONDUWUIT_VERSION_EXTRA=$CONDUWUIT_VERSION_EXTRA
-RUN <<EOF
-if [ -z "${CONDUWUIT_VERSION_EXTRA}" ]; then
-    echo "CONDUWUIT_VERSION_EXTRA='$(set -e; git rev-parse --short ${COMMIT_SHA:-HEAD} || echo unknown revision)'" >> /etc/environment
+
+# Calculate version info from git if not provided via ARGs
+# and write all relevant vars to /etc/environment
+RUN <<'EOF'
+set -e # Exit on error
+
+# Use temp variables to store calculated values
+calculated_commit_sha=""
+calculated_remote_url=""
+calculated_version_extra=""
+
+# --- COMMIT_SHA ---
+# Calculate COMMIT_SHA if ENV var (from ARG) is empty
+if [ -z "${COMMIT_SHA}" ]; then
+    # Try to get short commit hash from git
+    calculated_commit_sha=$(git rev-parse HEAD 2>/dev/null || echo "")
+    if [ -n "${calculated_commit_sha}" ]; then
+        echo "COMMIT_SHA='${calculated_commit_sha}'" >> /etc/environment
+    fi
+else
+    # Ensure ARG-provided value is in /etc/environment
+    echo "COMMIT_SHA='${COMMIT_SHA}'" >> /etc/environment
 fi
+
+
+if [ -z "${SHORT_COMMIT_SHA}" ]; then
+    # Try to get short commit hash from git
+    calculated_short_commit_sha=$(git rev-parse --short HEAD 2>/dev/null || echo "")
+    if [ -n "${calculated_short_commit_sha}" ]; then
+        echo "SHORT_COMMIT_SHA='${calculated_short_commit_sha}'" >> /etc/environment
+    fi
+else
+    # Ensure ARG-provided value is in /etc/environment
+    echo "SHORT_COMMIT_SHA='${SHORT_COMMIT_SHA}'" >> /etc/environment
+fi
+
+# --- REMOTE_URL ---
+# Calculate REMOTE_URL if ENV var (from ARG) is empty
+if [ -z "${REMOTE_URL}" ]; then
+    # Try to get remote origin URL from git
+    remote_url_raw=$(git config --get remote.origin.url 2>/dev/null || echo "")
+    if [ -n "${remote_url_raw}" ]; then
+        # Transform git URL (SSH or HTTPS) to web URL
+        if [[ $remote_url_raw == "https://"* ]]; then
+            # Already HTTPS, just remove .git suffix
+            calculated_remote_url=$(echo "$remote_url_raw" | sed 's/\.git$//')
+        else
+            # Convert SSH URL to HTTPS URL
+            calculated_remote_url=$(echo "$remote_url_raw" | sed 's/\.git$//' | sed 's/:/\//' | sed 's/^git@/https:\/\//')
+        fi
+
+        # Write calculated web URL if transformation was successful
+        if [ -n "${calculated_remote_url}" ]; then
+             echo "REMOTE_URL='${calculated_remote_url}'" >> /etc/environment
+        fi
+    fi
+else
+     # Ensure ARG-provided value is in /etc/environment (assume it's a valid web URL)
+     echo "REMOTE_URL='${REMOTE_URL}'" >> /etc/environment
+     # Use provided value for REMOTE_COMMIT_URL calculation below
+     calculated_remote_url="${REMOTE_URL}"
+fi
+
+# --- Determine effective values for subsequent calculations ---
+# Use ENV var value if set (from ARG), otherwise use calculated value
+effective_commit_sha="${COMMIT_SHA:-$calculated_commit_sha}"
+effective_short_commit_sha="${SHORT_COMMIT_SHA:-$calculated_short_commit_sha}"
+effective_remote_url="${REMOTE_URL:-$calculated_remote_url}"
+
+# --- REMOTE_COMMIT_URL ---
+# Calculate and write REMOTE_COMMIT_URL if both components are available
+if [ -z "${REMOTE_COMMIT_URL}" ] && [ -n "${effective_remote_url}" ] && [ -n "${effective_commit_sha}" ]; then
+    echo "REMOTE_COMMIT_URL='${effective_remote_url}/commit/${effective_commit_sha}'" >> /etc/environment
+else
+    # Ensure ARG-provided value is in /etc/environment
+    echo "REMOTE_COMMIT_URL='${REMOTE_COMMIT_URL}'" >> /etc/environment
+fi
+
+# --- CONDUWUIT_VERSION_EXTRA ---
+# Calculate CONDUWUIT_VERSION_EXTRA if ENV var (from ARG) is empty
+if [ -z "${CONDUWUIT_VERSION_EXTRA}" ]; then
+    # Use the effective short commit sha, fallback to "unknown revision"
+    calculated_version_extra="${effective_short_commit_sha:-unknown revision}"
+    # Handle case where commit sha calculation failed and ARG wasn't set
+    if [ -z "${calculated_version_extra}" ]; then
+         calculated_version_extra="unknown revision"
+    fi
+    echo "CONDUWUIT_VERSION_EXTRA='${calculated_version_extra}'" >> /etc/environment
+else
+    # Ensure ARG-provided value is in /etc/environment
+    echo "CONDUWUIT_VERSION_EXTRA='${CONDUWUIT_VERSION_EXTRA}'" >> /etc/environment
+fi
+
 EOF
 
 ARG TARGETPLATFORM
@@ -127,8 +225,6 @@ ARG TARGETPLATFORM
 RUN cat /etc/environment
 RUN xx-cargo --print-target-triple
 
-# Get source
-COPY . .
 
 # Build the binary
 RUN --mount=type=cache,target=/usr/local/cargo/registry \