fix some code blocks

site/content/blog/mage-in-ci.md

@@ -20,16 +20,17 @@ mage targets in the current directory.
 
 This will download the mage source and install it (if you're using a gopath):
 
-```
+```plain
 go get -d github.com/magefile/mage
 go run $GOPATH/src/github.com/magefile/mage/bootstrap.go install
 ```
 
 If you're using go modules, you can do it with good old git clone:
 
-```
+```plain
 git clone git@github.com:magefile/mage
-go run ./mage/bootstrap.go install
+cd mage
+go run bootstrap.go install
 ```
 
 Note that in the second case, the binary will be copied to where go env GOPATH

site/content/dependencies/_index.en.md

@@ -7,7 +7,7 @@ Mage supports a makefile-style tree of dependencies using the helper library
 [github.com/magefile/mage/mg](https://godoc.org/github.com/magefile/mage/mg). To
 declare dependencies, pass any number of dependent functions of the following
 types:
-```
+```go
 func()
 func() error
 func(ctx context.Context)
@@ -62,7 +62,7 @@ func h() {
 
 Running `mage build` will produce the following output:
 
-```
+```plain
 h running
 g running
 f running

site/content/index.md

@@ -15,7 +15,7 @@ and above (possibly even lower versions, but they're not regularly tested).
 
 Install mage by running 
 
-```
+```plain
 go get -u -d github.com/magefile/mage
 cd $GOPATH/src/github.com/magefile/mage
 go run bootstrap.go
@@ -50,7 +50,7 @@ import whatever libraries you want.  Every library in the go ecosystem is a mage
 plugin.  Every tool you use with Go can be used with Magefiles.
 
 ## Usage
-```
+```plain
 mage [options] [target]
 
 Mage is a make-like command runner.  See https://magefile.org for full docs.
@@ -98,7 +98,7 @@ the mage execution runtime and the tasks compiled in such that it can be run on
 without requiring installation of dependencies. To do so, pass the output path to the compile flag.
 like this:
 
-```
+```plain
 $ mage -compile ./static-output
 ```
 

site/content/magefiles/_index.en.md

@@ -70,7 +70,7 @@ func Build(ctx context.Context) {
 
 ```
 
-```
+```plain
 $ mage -l
 A comment on the package will be output when you list the targets of a
 magefile.
@@ -82,7 +82,7 @@ Targets:
 * default target
 ```
 
-```
+```plain
 $ mage -h target
 mage target:
 

site/content/targets/_index.en.md

@@ -3,7 +3,7 @@ title = "Targets"
 weight = 10
 +++
 A target is any exported function that is one of the following types:
-```
+```go
 func()
 func() error 
 func(context.Context)
@@ -53,7 +53,7 @@ it to.
 
 Target aliases can be specified using the following notation:
 
-```
+```go
 var Aliases = map[string]interface{} {
   "i":     Install,
   "build": Install,
@@ -71,7 +71,7 @@ normal application.   To define a namespace in your magefile, simply define an
 exported named type of type `mg.Namespace`.  Then, every method on that type which
 matches the normal target signature becomes a target under that namespace.
 
-```
+```go
 import "github.com/magefile/mage/mg"
 
 type Build mg.Namespace
@@ -88,13 +88,13 @@ func (Build) Docs() {}
 To call a namespaced target, type it as `namespace:target`. For example, the
 above would be called by typing
 
-```
+```plain
 $ mage build:site
 ```
 
 Similarly, the help for the target will show how it may be called:
 
-```
+```plain
 $ mage -l
 
 build:docs    Builds the pdf docs.

site/content/zeroInstall/_index.en.md

@@ -57,6 +57,6 @@ the mage execution runtime and the tasks compiled in such that it can be run on
 without requiring installation of dependencies. To do so, pass the output path to the compile flag.
 like this:
 
-```
+```plain
 $ mage -compile ./static-output
 ```