chore(webfuse): debian build support (#22)

* adds debian builder image

* adds arm32v7 debian based builder image

* sets the default build target to amd64-ubuntu-builder if MARCH is unset

* adds distro filter and set default to ubuntu for travis

disables debian builds for now

* fixes wrapper for non container hosts

* fixes distro selection and parallel mflags

* changes parallelization option

* fixes parallel flags and variable names

* enhances makefile

adds checksum for fetch dependencies

discovers necessary commands

fixes error when script get_container_id not found

* fixes copy artifacts to image

* fixes typo

* fixes another typo

* removes bash dependency

- simplifies scripts to support posix shell
- adds REGISTERY_PREFIX to support usage of local docker registry
- renames wrapper template
- adds discovery for tty and interactive for wrappers

* adds docker-compose wrapper

* adds ability to start wrapper in namespace of another container

* renames compose wrapper script

* adds support to retrieve source epoch date for svn

* fixes handling for positional arguments

* removes docker connection options

* removes dependency to readlink

* removes duplicate options

build/run_image.sh.template

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+set -e
+
+DOCKER="${DOCKER:-%DOCKER%}"
+IMAGE="${IMAGE:-%IMAGE%}"
+NETWORK="${NETWORK:-host}"
+PROJECT_ROOT="${PROJECT_ROOT:-%PROJECT_ROOT%}"
+SCRIPT_ROOT="${SCRIPT_ROOT:-"$PROJECT_ROOT/build"}"
+ENTRYPOINT="${ENTRYPOINT:-%RUNCMD%}"
+
+if [ ! -d "$SCRIPT_ROOT" ]; then
+  echo "error:$0: $SCRIPT_ROOT not found; set project root (PROJECT_ROOT=)" 1>&2
+  exit 1
+fi
+
+set -- --entrypoint "$ENTRYPOINT" "$IMAGE" "$@"
+set -- --network "$NETWORK" --workdir "$PWD" "$@"
+
+if [ -n "$USERID" ]; then
+  set -- --user "$USERID:$USERID" "$@"
+fi
+
+if [ -n "$PID" ]; then
+  set -- --pid "$PID" "$@"
+fi
+
+if [ -n "$CONTAINER_CGROUP_PARENT" ]; then
+  set -- --cgroup-parent "$CONTAINER_CGROUP_PARENT" "$@"
+fi
+
+HOST_CONTAINER="${HOST_CONTAINER:-"$("$SCRIPT_ROOT/get_container_id.sh")"}" || true
+if [ -n "$HOST_CONTAINER" ]; then
+  set --  --volumes-from "$HOST_CONTAINER" "$@"
+fi
+
+set -- %RUNFLAGS% "$@"
+
+if [ -t 0 ] && ! "$SCRIPT_ROOT/is_running_in_bg.sh" $$; then
+  set -- --interactive "$@"
+fi
+
+# if STDIN piped or redirected
+if [ -p /dev/stdin ] || { [ ! -t 0 ] && [ ! -p /dev/stdin ]; }; then
+  set -- --interactive "$@"
+elif [ -t 1 ]; then
+  set -- --tty "$@"
+fi
+
+set -- --rm "$@"
+
+exec "$DOCKER" run "$@"