Allow for building the image against a fork of the core/web/padd repos - leave FTL for now.

Undocumented as it's only really for internal use when testing contributor PRs for the core/web/padd repos.

Author: PromoFaux

build.sh

@@ -4,13 +4,13 @@
 usage() {
     echo "Usage: $0 [-l] [-f <ftl_branch>] [-c <core_branch>] [-w <web_branch>] [-t <tag>] [use_cache]"
     echo "Options:"
-    echo "  -f, --ftlbranch <branch>     Specify FTL branch (cannot be used in conjunction with -l)"
-    echo "  -c, --corebranch <branch>    Specify Core branch"
-    echo "  -w, --webbranch <branch>     Specify Web branch"
-    echo "  -p, --paddbranch <branch>    Specify PADD branch"
-    echo "  -t, --tag <tag>              Specify Docker image tag (default: pihole:local)"
-    echo "  -l, --local                  Use locally built FTL binary (requires src/pihole-FTL file)"
-    echo "  use_cache                    Enable caching (by default --no-cache is used)"
+    echo "  -f,  --ftlbranch <branch>     Specify FTL branch (cannot be used in conjunction with -l)"
+    echo "  -c,  --corebranch <branch>    Specify Core branch"    
+    echo "  -w,  --webbranch <branch>     Specify Web branch"
+    echo "  -p,  --paddbranch <branch>    Specify PADD branch"
+    echo "  -t,  --tag <tag>              Specify Docker image tag (default: pihole:local)"
+    echo "  -l,  --local                  Use locally built FTL binary (requires src/pihole-FTL file)"
+    echo "  use_cache                     Enable caching (by default --no-cache is used)"
     echo ""
     echo "If no options are specified, the following command will be executed:"
     echo "  docker buildx build src/. --tag pihole:local --load --no-cache"
@@ -21,6 +21,9 @@ usage() {
 TAG="pihole:local"
 DOCKER_BUILD_CMD="docker buildx build src/. --tag ${TAG} --load --no-cache"
 FTL_FLAG=false
+CORE_FORK="pi-hole"
+WEB_FORK="pi-hole"
+PADD_FORK="pi-hole"
 
 # Check if buildx is installed
 docker buildx version >/dev/null 2>&1
@@ -34,13 +37,14 @@ fi
 check_branch_exists() {
     local repo=$1
     local branch=$2
+    local fork=$3
     local url
 
     if [ "$repo" == "ftl" ]; then
         # Special case for FTL - we check for the binary instead of just the branch - in case it is not yet built.
         url="https://ftl.pi-hole.net/${branch}/pihole-FTL-amd64"
     else
-        url="https://github.com/pi-hole/${repo}/blob/${branch}/README.md"
+        url="https://github.com/${fork}/${repo}/blob/${branch}/README.md"
     fi
 
     local http_code
@@ -83,14 +87,14 @@ while [[ $# -gt 0 ]]; do
         ;;
     -c | --corebranch)
         CORE_BRANCH="$2"
-        check_branch_exists "pi-hole" "$CORE_BRANCH"
+        check_branch_exists "pi-hole" "$CORE_BRANCH" "$CORE_FORK"
         DOCKER_BUILD_CMD+=" --build-arg CORE_BRANCH=$CORE_BRANCH"
         shift
         shift
-        ;;
+        ;;   
     -w | --webbranch)
         WEB_BRANCH="$2"
-        check_branch_exists "web" "$WEB_BRANCH"
+        check_branch_exists "web" "$WEB_BRANCH" "$WEB_FORK"
         DOCKER_BUILD_CMD+=" --build-arg WEB_BRANCH=$WEB_BRANCH"
         shift
         shift
@@ -102,6 +106,24 @@ while [[ $# -gt 0 ]]; do
         shift
         shift
         ;;
+    -cf | --corefork)
+        CORE_FORK="$2"
+        DOCKER_BUILD_CMD+=" --build-arg CORE_FORK=$CORE_FORK"
+        shift
+        shift
+        ;;
+    -wf | --webfork)
+        WEB_FORK="$2"
+        DOCKER_BUILD_CMD+=" --build-arg WEB_FORK=$WEB_FORK"
+        shift
+        shift
+        ;;
+    -pf | --paddfork)
+        PADD_FORK="$2"
+        DOCKER_BUILD_CMD+=" --build-arg PADD_FORK=$PADD_FORK"
+        shift
+        shift
+        ;;
     -t | --tag)
         CUSTOM_TAG="$2"
         DOCKER_BUILD_CMD=${DOCKER_BUILD_CMD/$TAG/$CUSTOM_TAG}

src/Dockerfile

@@ -11,6 +11,10 @@ ARG FTL_BRANCH="development"
 ARG PIHOLE_DOCKER_TAG="dev-localbuild"
 ARG PADD_BRANCH="development"
 
+ARG CORE_FORK="pi-hole"
+ARG WEB_FORK="pi-hole"
+ARG PADD_FORK="pi-hole"
+
 ARG PIHOLE_UID=1000
 ARG PIHOLE_GID=1000
 
@@ -55,11 +59,11 @@ ADD https://ftl.pi-hole.net/macvendor.db /macvendor.db
 COPY crontab.txt /crontab.txt
 
 # Add PADD to the container, too.
-ADD --chmod=0755 https://raw.githubusercontent.com/pi-hole/PADD/${PADD_BRANCH}/padd.sh /usr/local/bin/padd
+ADD --chmod=0755 https://raw.githubusercontent.com/${PADD_FORK}/PADD/${PADD_BRANCH}/padd.sh /usr/local/bin/padd
 
 # download a the main repos from github
-RUN git clone --depth 1 --single-branch --branch ${WEB_BRANCH} https://github.com/pi-hole/web.git /var/www/html/admin && \
-    git clone --depth 1 --single-branch --branch ${CORE_BRANCH} https://github.com/pi-hole/pi-hole.git /etc/.pihole
+RUN git clone --depth 1 --single-branch --branch ${WEB_BRANCH} https://github.com/${WEB_FORK}/web.git /var/www/html/admin && \
+    git clone --depth 1 --single-branch --branch ${CORE_BRANCH} https://github.com/${CORE_FORK}/pi-hole.git /etc/.pihole
 
 RUN cd /etc/.pihole && \
     install -Dm755 -d /opt/pihole && \