Use Go 1.11 modules with Mage

See #5115

4 files changed, 61 insertions, 23 deletions

diff --git a/.travis.yml b/.travis.yml
index 395846de1..7058711be 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,6 @@ env:
 git:
   depth: false
 go:
-  - "1.10.4"
   - 1.11
   - tip
 os:
diff --git a/go.mod b/go.mod
index 2f046e542..ed98a592b 100644
--- a/go.mod
+++ b/go.mod
@@ -4,48 +4,50 @@ require (
 	github.com/BurntSushi/locker v0.0.0-20171006230638-a6e239ea1c69
 	github.com/BurntSushi/toml v0.0.0-20170626110600-a368813c5e64
 	github.com/PuerkitoBio/purell v1.1.0
-	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
 	github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38
 	github.com/alecthomas/chroma v0.5.0
-	github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721
-	github.com/alecthomas/repr v0.0.0-20180724025338-ead21651dde3
+	github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721 // indirect
+	github.com/alecthomas/repr v0.0.0-20180724025338-ead21651dde3 // indirect
 	github.com/bep/debounce v1.1.0
 	github.com/bep/gitmap v1.0.0
 	github.com/bep/go-tocss v0.5.0
 	github.com/chaseadamsio/goorgeous v1.1.0
-	github.com/cpuguy83/go-md2man v1.0.6
-	github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964
-	github.com/davecgh/go-spew v1.1.0
+	github.com/cpuguy83/go-md2man v1.0.6 // indirect
+	github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 // indirect
+	github.com/davecgh/go-spew v1.1.0 // indirect
 	github.com/disintegration/imaging v1.2.4
-	github.com/dlclark/regexp2 v1.1.6
+	github.com/dlclark/regexp2 v1.1.6 // indirect
 	github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385
 	github.com/fortytw2/leaktest v1.2.0
 	github.com/fsnotify/fsnotify v1.4.7
 	github.com/gobwas/glob v0.2.3
 	github.com/gorilla/websocket v1.2.0
 	github.com/hashicorp/go-immutable-radix v0.0.0-20180129170900-7f3cd4390caa
-	github.com/hashicorp/golang-lru v0.0.0-20180201235237-0fb14efe8c47
-	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce
-	github.com/inconshreveable/mousetrap v1.0.0
+	github.com/hashicorp/go-uuid v0.0.0-20180228145832-27454136f036 // indirect
+	github.com/hashicorp/golang-lru v0.0.0-20180201235237-0fb14efe8c47 // indirect
+	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jdkato/prose v1.1.0
 	github.com/kyokomi/emoji v1.5.1
-	github.com/magefile/mage v1.0.2
-	github.com/magiconair/properties v1.8.0
+	github.com/magefile/mage v2.2.0+incompatible
+	github.com/magiconair/properties v1.8.0 // indirect
 	github.com/markbates/inflect v0.0.0-20171215194931-a12c3aec81a6
-	github.com/mattn/go-isatty v0.0.3
-	github.com/mattn/go-runewidth v0.0.2
+	github.com/mattn/go-isatty v0.0.3 // indirect
+	github.com/mattn/go-runewidth v0.0.2 // indirect
 	github.com/miekg/mmark v1.3.6
 	github.com/mitchellh/hashstructure v0.0.0-20170609045927-2bca23e0e452
 	github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699
 	github.com/muesli/smartcrop v0.0.0-20180228075044-f6ebaa786a12
+	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
 	github.com/nicksnyder/go-i18n v1.10.0
 	github.com/olekukonko/tablewriter v0.0.0-20180506121414-d4647c9c7a84
-	github.com/pelletier/go-toml v1.2.0
-	github.com/pmezard/go-difflib v1.0.0
+	github.com/pelletier/go-toml v1.2.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday v0.0.0-20180804101149-46c73eb196ba
 	github.com/sanity-io/litter v1.1.0
-	github.com/sergi/go-diff v1.0.0
-	github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95
+	github.com/sergi/go-diff v1.0.0 // indirect
+	github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95 // indirect
 	github.com/spf13/afero v1.1.1
 	github.com/spf13/cast v1.2.0
 	github.com/spf13/cobra v0.0.3
@@ -56,13 +58,14 @@ require (
 	github.com/spf13/viper v1.1.0
 	github.com/stretchr/testify v1.2.2
 	github.com/tdewolff/minify v2.3.5+incompatible
-	github.com/tdewolff/parse v2.3.3+incompatible
-	github.com/wellington/go-libsass v0.0.0-20180624165032-615eaa47ef79
+	github.com/tdewolff/parse v2.3.3+incompatible // indirect
+	github.com/tdewolff/test v0.0.0-20171106182207-265427085153 // indirect
+	github.com/wellington/go-libsass v0.0.0-20180624165032-615eaa47ef79 // indirect
 	github.com/yosssi/ace v0.0.5
 	golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81
 	golang.org/x/net v0.0.0-20180801234040-f4c29de78a2a
 	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f
-	golang.org/x/sys v0.0.0-20180806192500-2be389f392cd
+	golang.org/x/sys v0.0.0-20180806192500-2be389f392cd // indirect
 	golang.org/x/text v0.0.0-20180805044716-cb6730876b98
 	gopkg.in/yaml.v2 v2.2.1
 )
diff --git a/go.sum b/go.sum
index ac8118258..d57f5851d 100644
--- a/go.sum
+++ b/go.sum
@@ -6,10 +6,13 @@ github.com/PuerkitoBio/purell v1.1.0 h1:rmGxhojJlM0tuKtfdvliR84CFHljx9ag64t2xmVk
 github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38 h1:smF2tmSOzy2Mm+0dGI2AIUHY+w0BUc+4tn40djz7+6U=
 github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38/go.mod h1:r7bzyVFMNntcxPZXK3/+KdruV1H5KSlyVY0gc+NgInI=
 github.com/alecthomas/chroma v0.5.0 h1:PI0RlRSWL+8GSMuIMMA5KIND4CeJ5KXUQA60LLp/SjA=
 github.com/alecthomas/chroma v0.5.0/go.mod h1:MmozekIi2rfQSzDcdEZ2BoJ9Pxs/7uc2Y4Boh+hIeZo=
+github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721 h1:JHZL0hZKJ1VENNfmXvHbgYlbUOvpzYzvy2aZU5gXVeo=
 github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721/go.mod h1:QO9JBoKquHd+jz9nshCh40fOfO+JzsoXy8qTHF68zU0=
+github.com/alecthomas/repr v0.0.0-20180724025338-ead21651dde3 h1:YCHb0gZtaUXQX+TXoaDSncYLaWgCvsaJvDh2HB+XTIA=
 github.com/alecthomas/repr v0.0.0-20180724025338-ead21651dde3/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
 github.com/bep/debounce v1.1.0 h1:6ocXeW2iZ/7vAzgXz82J00tYxncMiEEBExPftTtOQzk=
 github.com/bep/debounce v1.1.0/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
@@ -23,6 +26,7 @@ github.com/cpuguy83/go-md2man v1.0.6 h1:oNbTgn74tKz6PzZM2Zpmm04rMdAleoj9GrYC3SCK
 github.com/cpuguy83/go-md2man v1.0.6/go.mod h1:N6JayAiVKtlHSnuTCeuLSQVs75hb8q+dYQLjr7cDsKY=
 github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 h1:y5HC9v93H5EPKqaS1UYVg1uYah5Xf51mBfIoWehClUQ=
 github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964/go.mod h1:Xd9hchkHSWYkEqJwUGisez3G1QY8Ryz0sdWrLPMGjLk=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/disintegration/imaging v1.2.4 h1:eJRPGef+mQ4WZ8cED/pqElxW4+79zBjJYTjYv48GZOM=
 github.com/disintegration/imaging v1.2.4/go.mod h1:9B/deIUIrliYkyMTuXJd6OUFLcrZ2tf+3Qlwnaf/CjU=
@@ -30,6 +34,7 @@ github.com/dlclark/regexp2 v1.1.6 h1:CqB4MjHw0MFCDj+PHHjiESmHX+N7t0tJzKvC6M97BRg
 github.com/dlclark/regexp2 v1.1.6/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385 h1:clC1lXBpe2kTj2VHdaIu9ajZQe4kcEY9j0NsnDDBZ3o=
 github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385/go.mod h1:0vRUJqYpeSZifjYj7uP3BG/gKcuzL9xWVV/Y+cK33KM=
+github.com/fortytw2/leaktest v1.2.0 h1:cj6GCiwJDH7l3tMHLjZDo0QqPtrXJiWSI9JgpeQKw+Q=
 github.com/fortytw2/leaktest v1.2.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -39,20 +44,25 @@ github.com/gorilla/websocket v1.2.0 h1:VJtLvh6VQym50czpZzx07z/kw9EgAxI3x1ZB8taTM
 github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/hashicorp/go-immutable-radix v0.0.0-20180129170900-7f3cd4390caa h1:0nA8i+6Rwqaq9xlpmVxxTwk6rxiEhX+E6Wh4vPNHiS8=
 github.com/hashicorp/go-immutable-radix v0.0.0-20180129170900-7f3cd4390caa/go.mod h1:6ij3Z20p+OhOkCSrA0gImAWoHYQRGbnlcuk6XYTiaRw=
+github.com/hashicorp/go-uuid v0.0.0-20180228145832-27454136f036 h1:d8T6WIONl4rMCPcQ/eY3uSz3+e4/GaoflKjXrWMex1U=
+github.com/hashicorp/go-uuid v0.0.0-20180228145832-27454136f036/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/golang-lru v0.0.0-20180201235237-0fb14efe8c47 h1:UnszMmmmm5vLwWzDjTFVIkfhvWF1NdrmChl8L2NUDCw=
 github.com/hashicorp/golang-lru v0.0.0-20180201235237-0fb14efe8c47/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce h1:xdsDDbiBDQTKASoGEZ+pEmF1OnWuu8AQ9I8iNbHNeno=
 github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce/go.mod h1:oZtUIOe8dh44I2q6ScRibXws4Ajl+d+nod3AaR9vL5w=
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jdkato/prose v1.1.0 h1:LpvmDGwbKGTgdCH3a8VJL56sr7p/wOFPw/R4lM4PfFg=
 github.com/jdkato/prose v1.1.0/go.mod h1:jkF0lkxaX5PFSlk9l4Gh9Y+T57TqUZziWT7uZbW5ADg=
 github.com/kyokomi/emoji v1.5.1 h1:qp9dub1mW7C4MlvoRENH6EAENb9skEFOvIEbp1Waj38=
 github.com/kyokomi/emoji v1.5.1/go.mod h1:mZ6aGCD7yk8j6QY6KICwnZ2pxoszVseX1DNoGtU2tBA=
-github.com/magefile/mage v1.0.2/go.mod h1:IUDi13rsHje59lecXokTfGX0QIzO45uVPlXnJYsXepA=
+github.com/magefile/mage v2.2.0+incompatible h1:F+gKos6AzbeWbX2c1ocoVxYpm+kzUAR4zAp8WUAWzu8=
+github.com/magefile/mage v2.2.0+incompatible/go.mod h1:IUDi13rsHje59lecXokTfGX0QIzO45uVPlXnJYsXepA=
 github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/markbates/inflect v0.0.0-20171215194931-a12c3aec81a6 h1:LZhVjIISSbj8qLf2qDPP0D8z0uvOWAW5C85ly5mJW6c=
 github.com/markbates/inflect v0.0.0-20171215194931-a12c3aec81a6/go.mod h1:oTeZL2KHA7CUX6X+fovmK9OvIOFuqu0TwdQrZjLTh88=
+github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-runewidth v0.0.2 h1:UnlwIPBGaTZfPQ6T1IGzPI0EkYAQmT9fAEJ/poFC63o=
 github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
@@ -64,16 +74,21 @@ github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699 h1:KXZJFdun
 github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/muesli/smartcrop v0.0.0-20180228075044-f6ebaa786a12 h1:l0X/8IDy2UoK+oXcQFMRSIOcyuYb5iEPytPGplnM41Y=
 github.com/muesli/smartcrop v0.0.0-20180228075044-f6ebaa786a12/go.mod h1:i2fCI/UorTfgEpPPLWiFBv4pye+YAG78RwcQLUkocpI=
+github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
+github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
 github.com/nicksnyder/go-i18n v1.10.0 h1:5AzlPKvXBH4qBzmZ09Ua9Gipyruv6uApMcrNZdo96+Q=
 github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q=
 github.com/olekukonko/tablewriter v0.0.0-20180506121414-d4647c9c7a84 h1:fiKJgB4JDUd43CApkmCeTSQlWjtTtABrU2qsgbuP0BI=
 github.com/olekukonko/tablewriter v0.0.0-20180506121414-d4647c9c7a84/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday v0.0.0-20180804101149-46c73eb196ba h1:8Vzt8HxRjy7hp1eqPKVoAEPK9npQFW2510qlobGzvi0=
 github.com/russross/blackfriday v0.0.0-20180804101149-46c73eb196ba/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
+github.com/sanity-io/litter v1.1.0 h1:BllcKWa3VbZmOZbDCoszYLk7zCsKHz5Beossi8SUcTc=
 github.com/sanity-io/litter v1.1.0/go.mod h1:CJ0VCw2q4qKU7LaQr3n7UOSHzgEMgcGco7N/SkZQPjw=
+github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95 h1:/vdW8Cb7EXrkqWGufVMES1OH2sU9gKVb2n9/1y5NMBY=
 github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
@@ -93,11 +108,15 @@ github.com/spf13/pflag v1.0.1 h1:aCvUg6QPl3ibpQUxyLkrEkCHtPqYJL4x9AuhqVqFis4=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.1.0 h1:V7OZpY8i3C1x/pDmU0zNNlfVoDz112fSYvtWMjjS3f4=
 github.com/spf13/viper v1.1.0/go.mod h1:A8kyI5cUJhb8N+3pkfONlcEcZbueH6nhAm0Fq7SrnBM=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/tdewolff/minify v2.3.5+incompatible h1:oFxBKxTIY1F/1DEJhLeh/T507W56JqZtWVrawFcdadI=
 github.com/tdewolff/minify v2.3.5+incompatible/go.mod h1:9Ov578KJUmAWpS6NeZwRZyT56Uf6o3Mcz9CEsg8USYs=
 github.com/tdewolff/parse v2.3.3+incompatible h1:q6OSjvHtvBucLb34z24OH1xl5wGdw1mI9Vd38Qj9evs=
 github.com/tdewolff/parse v2.3.3+incompatible/go.mod h1:8oBwCsVmUkgHO8M5iCzSIDtpzXOT0WXX9cWhz+bIzJQ=
+github.com/tdewolff/test v0.0.0-20171106182207-265427085153 h1:B1Z2txQ2QI9nsWELeEvGBAdNhMylGMSCCypjsLJh/Mw=
+github.com/tdewolff/test v0.0.0-20171106182207-265427085153/go.mod h1:DiQUlutnqlEvdvhSn2LPGy4TFwRauAaYDsL+683RNX4=
+github.com/wellington/go-libsass v0.0.0-20180624165032-615eaa47ef79 h1:ivqgxj/zO3UZuzX7ZnlcyX8cAbNqLl1oes4zPddAO5Q=
 github.com/wellington/go-libsass v0.0.0-20180624165032-615eaa47ef79/go.mod h1:mxgxgam0N0E+NAUMHLcu20Ccfc3mVpDkyrLDayqfiTs=
 github.com/yosssi/ace v0.0.5 h1:tUkIP/BLdKqrlrPwcmH0shwEEhTRHoGnc1wFIWmaBUA=
 github.com/yosssi/ace v0.0.5/go.mod h1:ALfIzm2vT7t5ZE7uoIZqF3TQ7SAOyupFZnkrF5id+K0=
@@ -111,6 +130,7 @@ golang.org/x/sys v0.0.0-20180806192500-2be389f392cd h1:KFYUs6SCkSktZ+xJWb5YbuSCJ
 golang.org/x/sys v0.0.0-20180806192500-2be389f392cd/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.0.0-20180805044716-cb6730876b98 h1:eghQ6a9jJT9Ot8brVPUWPNFHIP/BhgDpjskdrGn1ktE=
 golang.org/x/text v0.0.0-20180805044716-cb6730876b98/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/magefile.go b/magefile.go
index e8a9a7b5f..ecc4b0b58 100644
--- a/magefile.go
+++ b/magefile.go
@@ -32,14 +32,26 @@ func init() {
 	if exe := os.Getenv("GOEXE"); exe != "" {
 		goexe = exe
 	}
+
+	// We want to use Go 1.11 modules even if the source lives inside GOPATH.
+	// The default is "auto".
+	os.Setenv("GO111MODULE", "on")
 }
 
 func getDep() error {
+	if !isWindows() {
+		// We only need this on Appveyor.
+		// TODO(bep) go11 clean up the vendor stuff once Appveyor gets Go 1.11.
+		return nil
+	}
 	return sh.Run(goexe, "get", "-u", "github.com/golang/dep/cmd/dep")
 }
 
 // Install Go Dep and sync Hugo's vendored dependencies
 func Vendor() error {
+	if !isWindows() {
+		return nil
+	}
 	mg.Deps(getDep)
 	return sh.Run("dep", "ensure")
 }
@@ -268,6 +280,10 @@ func isGoLatest() bool {
 	return strings.Contains(runtime.Version(), "1.11")
 }
 
+func isWindows() bool {
+	return runtime.GOOS == "windows"
+}
+
 func buildTags() string {
 	// To build the extended Hugo SCSS/SASS enabled version, build with
 	// HUGO_BUILD_TAGS=extended mage install etc.