Fix BASEHREF handling in Docker Compose

docker-compose.yml

@@ -153,7 +153,7 @@ services:
       dockerfile: dockerfiles/Dockerfile.ubuntu
     hostname: skosmos-dev
     environment:
-      - BASEHREFDEV="http://${PUBLICURL:-localhost}:${PROXY_PORT:-9000}/skosmos-dev/"
+      - BASEHREFDEV=http://${PUBLICURL:-localhost}:${PROXY_PORT:-9000}/skosmos-dev/
     depends_on: 
       - fuseki-dev
     networks:
@@ -162,11 +162,12 @@ services:
     volumes:
       - ./skosmos-dev/config-template.ttl:/var/www/html/config-template.ttl
       - ./skosmos-dev/config.ttl:/var/www/html/config.ttl
+      - ./helperscripts/replace-basehref.sh:/home/replace-basehref.sh
       - static-skosmos-dev:/var/www/html/resource
     restart: unless-stopped
     command: >
       /bin/bash -c "export BASEHREFDEV &&
-      envsubst '$$BASEHREFDEV' < /var/www/html/config-template.ttl > /var/www/html/config.ttl &&
+      /home/replace-basehref.sh /var/www/html/config.ttl $$BASEHREFDEV &&
       /usr/sbin/apache2ctl -D FOREGROUND"
     healthcheck:
       test: ["CMD-SHELL", "curl -f http://localhost:80 || exit 1"]
@@ -182,7 +183,7 @@ services:
       dockerfile: dockerfiles/Dockerfile.ubuntu
     hostname: skosmos-live
     environment:
-      - BASEHREFLIVE="http://${PUBLICURL:-localhost}:${PROXY_PORT:-9000}/skosmos-live/"
+      - BASEHREFLIVE=http://${PUBLICURL:-localhost}:${PROXY_PORT:-9000}/skosmos-live/
     depends_on: 
       - fuseki-live
     networks:
@@ -191,11 +192,12 @@ services:
     volumes:
       - ./skosmos-live/config-template.ttl:/var/www/html/config-template.ttl
       - ./skosmos-live/config.ttl:/var/www/html/config.ttl
+      - ./helperscripts/replace-basehref.sh:/home/replace-basehref.sh
       - static-skosmos-live:/var/www/html/resource
     restart: unless-stopped
     command: >
       /bin/bash -c "export BASEHREFLIVE &&
-      envsubst '$$BASEHREFLIVE' < /var/www/html/config-template.ttl > /var/www/html/config.ttl &&
+      /home/replace-basehref.sh /var/www/html/config.ttl $$BASEHREFLIVE &&
       /usr/sbin/apache2ctl -D FOREGROUND"
     healthcheck:
       test: ["CMD-SHELL", "curl -f http://localhost:80 || exit 1"]

helperscripts/replace-basehref.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+
+# Replaces the skosmos:baseHref value in the specified file with the provided basehref value.
+# Args:
+#     file_path (str): The path to the file to be updated.
+#     basehref (str): The new baseHref value to be set in the file.
+# Raises:
+#     ValueError: If the file content or the updated content is empty.
+#     Exception: If any error occurs during the file operations.
+
+replace() {
+    local file_path="$1"
+    local basehref="$2"
+
+    # Get the current timestamp for the backup file
+    local timestamp=$(date +"%Y%m%d_%H%M%S")
+    local backup_path="${file_path}.${timestamp}.backup"
+
+    # Check if the file exists
+    if [[ ! -f "$file_path" ]]; then
+        echo "File '$file_path' does not exist. Aborting."
+        exit 1
+    fi
+
+    # Read the content of the file
+    local content
+    content=$(cat "$file_path")
+
+    # Validate that the file is not empty
+    if [[ -z "${content// /}" ]]; then
+        echo "config.ttl seems to be empty. Aborting operation to avoid overwriting."
+        exit 1
+    fi
+
+    # Replace the skosmos:baseHref value using | as the delimiter
+    local updated_content
+    updated_content=$(echo "$content" | sed -E 's|skosmos:baseHref[[:space:]]*[^;]*;|skosmos:baseHref "'"$basehref"'" ;|')
+    # Validate the updated content is not empty
+    if [[ -z "${updated_content// /}" ]]; then
+        echo "Updated content of config.ttl is empty. Aborting operation to avoid overwriting."
+        exit 1
+    fi
+
+    # Create a backup of the original file
+    echo "$content" > "$backup_path"
+
+    # Write the updated content to a temporary file first
+    local temp_file_path="${file_path}.temp"
+    echo "$updated_content" > "$temp_file_path"
+
+    # Replace the original file with the temporary file's content
+    if ! mv "$temp_file_path" "$file_path"; then
+        echo "File is busy, attempting to copy instead."
+        if cp "$temp_file_path" "$file_path"; then
+            rm "$temp_file_path"
+            echo "File '$file_path' updated successfully using copy."
+        else
+            echo "Failed to update the file using copy. Aborting."
+            exit 1
+        fi
+    else
+        echo "File '$file_path' updated successfully."
+    fi
+
+}
+
+# Main script logic
+if [[ "$#" -ne 2 ]]; then
+    echo "Usage: $0 <file_path> <basehref>"
+    exit 1
+fi
+
+file_path="$1"
+basehref="$2"
+
+replace "$file_path" "$basehref"

skosmos-dev/config.ttl

@@ -1,13 +1,11 @@
 @prefix : <file:///code/evoks/tests/skosmos/config.ttl#> .
-@prefix dc: <http://purl.org/dc/terms/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix skosmos: <http://purl.org/net/skosmos#> .
-@prefix void: <http://rdfs.org/ns/void#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 :config a skosmos:Configuration ;
-    skosmos:baseHref ${BASEHREFDEV} ;
+    skosmos:baseHref "http://localhost:9000/skosmos-dev/" ;
     skosmos:customCss "resource/css/stylesheet.css" ;
     skosmos:feedbackAddress "" ;
     skosmos:feedbackEnvelopeSender "" ;
@@ -48,4 +46,3 @@
     skosmos:uiHoneypotTime 5 ;
     skosmos:uiLanguageDropdown true .
 
-

skosmos-live/config.ttl

@@ -1,14 +1,12 @@
 @prefix : <file:///code/evoks/tests/skosmos/config.ttl#> .
-@prefix dc: <http://purl.org/dc/terms/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix skosmos: <http://purl.org/net/skosmos#> .
-@prefix void: <http://rdfs.org/ns/void#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 :config a skosmos:Configuration ;
-    skosmos:baseHref ${BASEHREFLIVE} ;
-    skosmos:customCss "resource/css/stylesheet.css" ;    
+    skosmos:baseHref "http://localhost:9000/skosmos-live/" ;
+    skosmos:customCss "resource/css/stylesheet.css" ;
     skosmos:feedbackAddress "" ;
     skosmos:feedbackEnvelopeSender "" ;
     skosmos:feedbackSender "" ;