add -f option

Author: fraenki

README.md

@@ -4,6 +4,7 @@
 1. [Requirements](#requirements)
 1. [Provision Instructions](#provision-instructions)
 1. [Build Instructions](#build-instructions)
+1. [More Examples](#more-examples)
 1. [Acknowledgement](#acknowledgement)
 
 ## About
@@ -35,7 +36,15 @@ Use `build.sh` to create your own images or to include a modified version of `rc
 ```
 # git clone https://github.com/fraenki/freebsd-foreman.git
 # cd freebsd-foreman
-# ./build.sh -r 13.1
+# ./build.sh -r 14.2
+```
+
+## More Examples
+
+To use a local copy of the mfsbsd image instead of having the script download it, just specify the filename:
+
+```
+./build.sh -r 14.3 -f downloads/mfsbsd-14.3-RELEASE-p3-amd64.img
 ```
 
 ## Acknowledgement

build.sh

@@ -6,6 +6,7 @@ IMAGE_MD_NO=99
 IMAGE_MOUNT_DIR='/mnt/loop'
 ROOT_MD_NO=100
 ROOT_MOUNT_DIR='/mnt/mfsroot'
+MFSBSD_FILENAME=''
 
 cleanup() {
   cd $TMP_DIR
@@ -20,6 +21,14 @@ fi
 # handle arguments
 while [ ${#} -gt 0 ]; do
   case "${1}" in
+  -f)
+    if ! test -e ${2}; then
+      echo "Specified mfsBSD file not found: ${2}"
+      exit 1
+    fi
+    MFSBSD_FILENAME=$2
+    shift
+    ;;
   -r)
     if ! echo ${2} | grep -qE '^[0-9]+\.[0-9]+$'; then
       echo "Invalid FreeBSD release specified"
@@ -65,9 +74,14 @@ mkdir -p $TMP_DIR
 cd $TMP_DIR
 
 # download mfsbsd image
-if ! fetch https://mfsbsd.vx.sk/files/images/${REL_MAJOR}/amd64/${MFSBSD_IMAGE}; then
-  echo "Failed to download mfsbsd image"
-  exit 1
+if [ -z "${MFSBSD_FILENAME}" ]; then
+  if ! fetch https://mfsbsd.vx.sk/files/images/${REL_MAJOR}/amd64/${MFSBSD_IMAGE}; then
+    echo "Failed to download mfsbsd image"
+    exit 1
+  fi
+else
+  # use specified file instead
+  MFSBSD_IMAGE=$MFSBSD_FILENAME
 fi
 
 # mount mfsbsd disk image