Add a few small consistency tweaks in hack

hack/PACKAGERS.md

@@ -40,7 +40,6 @@ To build docker, you will need the following system dependencies
 * A clean checkout of the source must be added to a valid Go [workspace](http://golang.org/doc/code.html#Workspaces)
 under the path *src/github.com/dotcloud/docker*. See 
 
-
 ## Go dependencies
 
 All Go dependencies are vendored under ./vendor. They are used by the official build,
@@ -55,7 +54,6 @@ NOTE: if you''re not able to package the exact version (to the exact commit) of
 please get in touch so we can remediate! Who knows what discrepancies can be caused by even the
 slightest deviation. We promise to do our best to make everybody happy.
 
-
 ## Disabling CGO
 
 Make sure to disable CGO on your system, and then recompile the standard library on the build
@@ -71,7 +69,7 @@ cd /tmp && echo 'package main' > t.go && go test -a -i -v
 To build the docker binary, run the following command with the source checkout as the
 working directory:
 
-```
+```bash
 ./hack/make.sh binary
 ```
 
@@ -82,7 +80,7 @@ You are encouraged to use ./hack/make.sh without modification. If you must absol
 your own script (are you really, really sure you need to? make.sh is really not that complicated),
 then please take care the respect the following:
 
-* In *./hack/make.sh*: $LDFLAGS, $VERSION and $GITCOMMIT
+* In *./hack/make.sh*: $LDFLAGS, $BUILDFLAGS, $VERSION and $GITCOMMIT
 * In *./hack/make/binary*: the exact build command to run
 
 You may be tempted to tweak these settings. In particular, being a rigorous maintainer, you may want
@@ -106,7 +104,6 @@ dependencies to be installed (see below).
 
 The test suite will also download a small test container, so you will need internet connectivity.
 
-
 ## Runtime dependencies
 
 To run properly, docker needs the following software to be installed at runtime:
@@ -133,6 +130,6 @@ for your distro''s process supervisor of choice.
 
 Docker should be run as root, with the following arguments:
 
-```
+```bash
 docker -d
 ```

hack/make.sh

@@ -48,7 +48,6 @@ fi
 LDFLAGS='-X main.GITCOMMIT "'$GITCOMMIT'" -X main.VERSION "'$VERSION'" -w -linkmode external -extldflags "-lpthread -static -Wl,--unresolved-symbols=ignore-in-object-files"'
 BUILDFLAGS='-tags netgo'
 
-
 bundle() {
 	bundlescript=$1
 	bundle=$(basename $bundlescript)

hack/make/test

@@ -1,3 +1,5 @@
+#!/bin/sh
+
 DEST=$1
 
 set -e

hack/make/ubuntu

@@ -3,8 +3,7 @@
 DEST=$1
 
 PKGVERSION="$VERSION"
-if test -n "$(git status --porcelain)"
-then
+if [ -n "$(git status --porcelain)" ]; then
 	PKGVERSION="$PKGVERSION-$(date +%Y%m%d%H%M%S)-$GITCOMMIT"
 fi