build, docs: Improve macOS building

- New docker command for quickly running tasks in a Linux environment.
- Updated docs with macOS specific details.
- Fixed some test issues.
- Add (fallible) macOS test target for Travis.

test/shell/augeas-1.sh

@@ -10,7 +10,7 @@ mkdir -p "${MGMT_TMPDIR}"
 > "${MGMT_TMPDIR}"sshd_config
 
 # run empty graph, with prometheus support
-timeout --kill-after=40s 35s ./mgmt run --tmp-prefix --yaml=augeas-1.yaml &
+$timeout --kill-after=40s 35s ./mgmt run --tmp-prefix --yaml=augeas-1.yaml &
 pid=$!
 sleep 5s	# let it converge
 

test/shell/file-mode.sh

@@ -1,9 +1,15 @@
 #!/bin/bash -e
 
+if [[ $(uname) == "Darwin" ]] ; then
+	# https://github.com/purpleidea/mgmt/issues/33
+	echo "This test is broken on macOS, skipping!"
+	exit
+fi
+
 set -x
 
 # run till completion
-timeout --kill-after=40s 35s ./mgmt run --yaml file-mode.yaml --converged-timeout=5 --no-watch --tmp-prefix &
+$timeout --kill-after=40s 35s ./mgmt run --yaml file-mode.yaml --converged-timeout=5 --no-watch --tmp-prefix &
 pid=$!
 wait $pid	# get exit status
 e=$?

test/shell/file-move.sh

@@ -1,10 +1,16 @@
 #!/bin/bash -e
 
+if [[ $(uname) == "Darwin" ]] ; then
+	# https://github.com/purpleidea/mgmt/issues/33
+	echo "This test is broken on macOS, skipping!"
+	exit
+fi
+
 mkdir -p /tmp/mgmt/
 rm /tmp/mgmt/f1 || true
 
 # run empty graph, with prometheus support
-timeout --kill-after=40s 35s ./mgmt run --tmp-prefix --yaml=file-move.yaml 2>&1 | tee /tmp/mgmt/file-move.log &
+$timeout --kill-after=40s 35s ./mgmt run --tmp-prefix --yaml=file-move.yaml 2>&1 | tee /tmp/mgmt/file-move.log &
 pid=$!
 sleep 5s	# let it converge
 

test/shell/file-owner.sh

@@ -9,7 +9,7 @@ if ! timeout 1s sudo -A true; then
 fi
 
 # run till completion
-timeout --kill-after=30s 25s sudo -A ./mgmt run --yaml file-owner.yaml --converged-timeout=5 --no-watch --tmp-prefix &
+$timeout --kill-after=30s 25s sudo -A ./mgmt run --yaml file-owner.yaml --converged-timeout=5 --no-watch --tmp-prefix &
 pid=$!
 wait $pid	# get exit status
 e=$?

test/shell/prometheus-3.sh

@@ -1,7 +1,13 @@
 #!/bin/bash -e
 
+if [[ $(uname) == "Darwin" ]] ; then
+	# https://github.com/purpleidea/mgmt/issues/33
+	echo "This test is broken on macOS, skipping!"
+	exit
+fi
+
 # run a graph, with prometheus support
-timeout --kill-after=40s 35s ./mgmt run --tmp-prefix --no-pgp --prometheus --yaml prometheus-3.yaml &
+$timeout --kill-after=40s 35s ./mgmt run --tmp-prefix --no-pgp --prometheus --yaml prometheus-3.yaml &
 pid=$!
 sleep 10s	# let it converge
 

test/shell/prometheus-4.sh

@@ -1,7 +1,13 @@
 #!/bin/bash -xe
 
+if [[ $(uname) == "Darwin" ]] ; then
+	# https://github.com/purpleidea/mgmt/issues/33
+	echo "This test is broken on macOS, skipping!"
+	exit
+fi
+
 # run a graph, with prometheus support
-timeout --kill-after=30s 25s ./mgmt run --tmp-prefix --no-pgp --prometheus --yaml prometheus-4.yaml &
+$timeout --kill-after=30s 25s ./mgmt run --tmp-prefix --no-pgp --prometheus --yaml prometheus-4.yaml &
 pid=$!
 sleep 10s	# let it converge
 

test/test-examples.sh

@@ -19,7 +19,7 @@ make build
 buildout='test-examples.out'
 # make symlink to outside of package
 linkto="`pwd`/examples/lib/"
-tmpdir="`mktemp --tmpdir -d tmp.XXX`"	# get a dir outside of the main package
+tmpdir="`$mktemp --tmpdir -d tmp.XXX`"	# get a dir outside of the main package
 cd "$tmpdir"
 ln -s "$linkto"	# symlink outside of dir
 cd `basename "$linkto"`

test/test-golint.sh

@@ -31,7 +31,7 @@ COUNT=`echo -e "$LINT" | wc -l`	# number of golint problems in current branch
 [ "$LINT" = "" ] && echo PASS && exit	# everything is "perfect"
 echo "$LINT"	# display the issues
 
-T=`mktemp --tmpdir -d tmp.X'X'X`	# add quotes to avoid matching three X's
+T=`$mktemp --tmpdir -d tmp.X'X'X`	# add quotes to avoid matching three X's
 [ "$T" = "" ] && fail_test "Could not create tmpdir"
 cd $T || fail_test "Could not change into tmpdir $T"
 git clone --recursive "${ROOT}" 2>/dev/null	# make a copy

test/test-govet.sh

@@ -25,7 +25,7 @@ function simplify-gocase() {
 
 function token-coloncheck() {
 	# add quotes to avoid matching three X's
-	if grep -Ei "[\/]+[\/]+[ ]*+(FIXME[^:]|TODO[^:]|X"'X'"X[^:])" "$1"; then
+	if grep -Ei "[\/]+[\/]+[ ]*(FIXME[^:]|TODO[^:]|X"'X'"X[^:])" "$1"; then
 		return 1	# tokens must end with a colon
 	fi
 	return 0

test/test-reproducible.sh

@@ -7,7 +7,7 @@ set -o pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && cd .. && pwd )"	# dir!
 cd "$DIR" >/dev/null	# work from main mgmt directory
 make build
-T=`mktemp --tmpdir -d tmp.X'X'X`	# add quotes to avoid matching three X's
+T=`$mktemp --tmpdir -d tmp.X'X'X`	# add quotes to avoid matching three X's
 cp -a ./mgmt "$T"/mgmt.1
 make clean
 make build

test/util.sh

@@ -2,8 +2,10 @@
 
 if [[ $(uname) == "Darwin" ]] ; then
 	export timeout="gtimeout"
+	export mktemp="gmktemp"
 else
 	export timeout="timeout"
+	export mktemp="mktemp"
 fi
 
 fail_test()