Initial commit

bin/compile

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+export APP="$(realpath "$1")"
+export CACHE="$2"
+export ENV="$3"
+export BP="$(realpath "$(dirname "$0")/..")"
+export PATH="$PATH:$BP/bin"
+
+. "$BP/bin/read_config"
+
+mkdir "$CACHE/app_root"
+find "$APP" ! -path "$APP" -maxdepth 1 -exec mv "{}" "$CACHE/app_root" \;
+mv "$CACHE/app_root" "$APP/root"
+
+tar -xvzf "$BP/uml.tar.gz" -C "$APP"
+mkdir "$APP/tmp"
+mkdir "$APP/shadow_root"
+mkdir "$APP/shadow_mount"
+dd if=/dev/zero of="$APP/shadow_root.img" bs=1048576 count="$FS_SIZE"
+/sbin/mke2fs "$APP/shadow_root.img"
+wget http://ftp.debian.org/debian/pool/main/c/criu/criu_3.6-2_amd64.deb -O "$APP/criu.deb"
+echo $MEM
+uml_run "rm /var/lib/dpkg/lock /var/lib/dpkg/triggers/Lock; rm -r /var/cache/apt/archives/*; umount /app; dpkg -i '$APP/criu.deb'; apt-get -f install; mount --bind '$APP/root' /app; bash /app/install.sh"
+
+mkdir "$APP/.profile.d"
+cp "$BP/bin/read_config" "$APP/.profile.d"
+
+cp "$APP/root/Procfile" "$APP/Procfile"
+fix_procfile "$APP/Procfile"

bin/detect

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+APP="$1"
+
+if test -f "$APP/config.sh" && test -f "$APP/install.sh"
+then echo "UML"
+exit 0
+fi
+
+exit 1

bin/fix_procfile

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+import sys, shlex
+
+procfile_path = sys.argv[1]
+
+lines = []
+
+with open(procfile_path) as file:
+    for line in file:
+        if ":" in line:
+            type, cmd = line.split(':', 1)
+            lines.append(type+': /app/uml/uml_run '+shlex.quote('cd /app; '+cmd.strip())+'\n')
+        else:
+            lines.append(line)
+
+with open(procfile_path, 'w') as file:
+    file.writelines(lines)

bin/read_config

@@ -0,0 +1,11 @@
+FS_SIZE=512
+MEM=1024
+
+if [ "x$APP" == x ]
+then export APP=/app
+fi
+
+. "$APP/config.sh"
+
+export FS_SIZE="$FS_SIZE"
+export MEM="$MEM"

bin/uml_run

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+echo "$1" > "$APP/uml_command"
+TEMP="$APP" "$APP/uml/uml" root=/dev/root rw rootflags=/ rootfstype=hostfs init="$APP/uml/init" mem=${MEM}M quiet app="$APP"
+rm "$APP/uml_command"