Add tool for creating Everest images

src/glacier-mkimg/glacier-mkimg

@@ -0,0 +1,50 @@
+#!/bin/sh
+# Tool for creating Everest Linux images
+
+mkskel() {
+	printf ">> Creating build directory at /mnt/everest\n"
+	mkdir -v /mnt/everest
+	printf ">> Creating toolchain directories at /opt/everest\n"
+	mkdir -v /opt/everest
+	mkdir -v /opt/everest/toolchain
+	mkdir -v /opt/everest/sources
+	printf ">> Creating filesystem skeleton at /mnt/everest\n"
+	mkdir -pv /mnt/everest/{bin,boot,dev,etc,home,lib/{firmware,modules}}
+	mkdir -pv /mnt/everest/{mnt,opt,proc,sbin,srv,sys}
+	mkdir -pv /mnt/everest/var/{cache,lib,local,lock,log,opt,run,spool}
+	install -dv -m 0750 /mnt/everest/root
+	install -dv -m 1777 /mnt/everest/{var/,}tmp
+	mkdir -pv /mnt/everest/usr/{,local/}{bin,include,lib,sbin,share,src}
+	printf "=============== SUMMARY ===============\n"
+	printf "Target directory: /mnt/everest\n"
+	printf "Toolchain directory: /opt/everest/toolchain\n"
+	printf "Sources directory: /opt/everest/sources\n"
+	sleep 2
+}
+
+get_sources() {
+	printf ">> Downloading the following packages:\n"
+	printf "- GNU Binutils\n"
+	printf "- GNU GCC\n"
+	printf "- GNU GMP\n"
+	printf "- GNU MPC\n"
+	printf "- GNU MPFR\n"
+	printf "- musl\n"
+	printf "- Busybox\n"
+	printf "- iana-etc\n"
+	printf "- everest-bootscripts\n"
+	printf "- everest-distfiles\n"
+	printf "- GNU make\n"
+	printf "- Python\n"
+	printf "- glacier\n"
+	sleep 2
+
+	printf ">> Downloading packages...\n"
+	cd /opt/everest/sources
+	wget -i sources-list
+
+	printf ">> Finished downloading packages.\n"
+	sleep 2
+}
+
+