refactor filebrowser build script

filebrowser/filebrowser.sh

@@ -2,17 +2,18 @@
 
 version="${1:?You need to specific a version, eg: v1.22.2}"
 version_num="${version##v}"
+package_name=filebrowser-${version_num}.tar.gz
+
 
 # must occur dirs
 material_dir="./materials"
 
 # optional dirs (created during build)
-download_dir="./downloads"
-package_dir="./packages"
-extract_dir="./extracted"
-rootfs="./rootfs"
+download_dir="./var/downloads"
+extract_dir="./var/extracted"
+rootfs="./var/rootfs"
 
-package_name=filebrowser-${version_num}.tar.gz
+package_dir="./packages"
 
 
 function copy_file {
@@ -29,24 +30,28 @@ function copy_file {
 		mkdir -p $dst_dir
 		cp --no-target-directory $src $dst
 	fi
-
 }
 
 
+function download {
 	# don't re-download if already downloaded
 	if [ ! -f "${download_dir}/${package_name}" ] ; then
 		mkdir -p ${download_dir}
 		wget --output-document ${download_dir}/${package_name} https://github.com/filebrowser/filebrowser/releases/download/${version}/linux-amd64-filebrowser.tar.gz
 	fi
+}
 
+
+function extract {
 	rm -rf ${extract_dir}
 	mkdir -p ${extract_dir}
 	tar -xf ${download_dir}/${package_name} -C ${extract_dir}
+}
 
-# clean rootfs
+
+function build_rootfs {
 	rm -rf ${rootfs}
 
-# move files
 	copy_file ${extract_dir}/filebrowser ${rootfs}/usr/bin/filebrowser
 
 	copy_file ${extract_dir}/CHANGELOG.md ${rootfs}/usr/share/filebrowser/
@@ -54,7 +59,10 @@ copy_file ${extract_dir}/LICENSE      ${rootfs}/usr/share/filebrowser/
 	copy_file ${extract_dir}/README.md    ${rootfs}/usr/share/filebrowser/
 
 	copy_file ${material_dir}/filebrowser.service ${rootfs}/usr/lib/systemd/system/filebrowser.service
+}
 
+
+function package_meta {
 	# debian packages meta file
 	mkdir -p $rootfs/DEBIAN
 	sed "s/+++VERSION+++/${version_num}/" > $rootfs/DEBIAN/control << EOF
@@ -66,5 +74,17 @@ Maintainer: leafee98 <me@leafee98.com>
 Description: Web File Browser
 EOF
 
+}
+
+
+function main {
+	download
+	extract
+	build_rootfs
+	package_meta
+
 	mkdir -p $package_dir
 	dpkg-deb --build --root-owner-group $rootfs $package_dir/filebrowser-${version}.deb
+}
+
+main "$@"