Update deps/fixtures, skip more tests when Git is not installed

TODO: We need to figure something out to stop dependency versions from
constantly changing in the fixture manifests, because that's going to
get annoying to update all the time. I still want it to be included in
the tests, though.

docs/Manifest.toml

@@ -13,15 +13,15 @@ uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [[DocStringExtensions]]
 deps = ["LibGit2", "Markdown", "Pkg", "Test"]
-git-tree-sha1 = "0513f1a8991e9d83255e0140aace0d0fc4486600"
+git-tree-sha1 = "88bb0edb352b16608036faadcc071adda068582a"
 uuid = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
-version = "0.8.0"
+version = "0.8.1"
 
 [[Documenter]]
 deps = ["Base64", "DocStringExtensions", "InteractiveUtils", "JSON", "LibGit2", "Logging", "Markdown", "REPL", "Test", "Unicode"]
-git-tree-sha1 = "1b6ae3796f60311e39cd1770566140d2c056e87f"
+git-tree-sha1 = "d45c163c7a3ae293c15361acc52882c0f853f97c"
 uuid = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
-version = "0.23.3"
+version = "0.23.4"
 
 [[InteractiveUtils]]
 deps = ["Markdown"]

src/plugins/git.jl

@@ -32,7 +32,7 @@ function gitignore(p::Git)
 end
 
 function validate(p::Git, t::Template)
-    if p.gpgsign && try run(pipeline(`git --version`; stdout=devnull)); false catch; true end
+    if p.gpgsign && !git_is_installed()
         throw(ArgumentError("Git: gpgsign is set but the Git CLI is not installed"))
     end
 
@@ -97,6 +97,15 @@ end
 
 needs_username(::Git) = true
 
+function git_is_installed()
+    return try
+        run(pipeline(`git --version`; stdout=devnull))
+        true
+    catch
+        false
+    end
+end
+
 if isdefined(Pkg, :dependencies)
     function version_of(pkg::AbstractString)
         for p in values(Pkg.dependencies())

test/fixtures/WackyOptions/docs/Manifest.toml

@@ -13,15 +13,15 @@ uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [[DocStringExtensions]]
 deps = ["LibGit2", "Markdown", "Pkg", "Test"]
-git-tree-sha1 = "0513f1a8991e9d83255e0140aace0d0fc4486600"
+git-tree-sha1 = "88bb0edb352b16608036faadcc071adda068582a"
 uuid = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
-version = "0.8.0"
+version = "0.8.1"
 
 [[Documenter]]
 deps = ["Base64", "DocStringExtensions", "InteractiveUtils", "JSON", "LibGit2", "Logging", "Markdown", "REPL", "Test", "Unicode"]
-git-tree-sha1 = "1b6ae3796f60311e39cd1770566140d2c056e87f"
+git-tree-sha1 = "d45c163c7a3ae293c15361acc52882c0f853f97c"
 uuid = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
-version = "0.23.3"
+version = "0.23.4"
 
 [[InteractiveUtils]]
 deps = ["Markdown"]

test/runtests.jl

@@ -44,9 +44,11 @@ mktempdir() do dir
         @testset "PkgTemplates.jl" begin
             include("template.jl")
             include("plugin.jl")
-            include("git.jl")
             include("show.jl")
 
+            if PT.git_is_installed()
+                include("git.jl")
+
                 # Quite a bit of output depends on the Julia version,
                 # and the test fixtures are made with Julia 1.2.
                 # TODO: Keep this on the latest stable Julia version.
@@ -55,6 +57,9 @@ mktempdir() do dir
                 else
                     @info "Skipping reference tests" julia=VERSION
                 end
+            else
+                @info "Git is not installed, skipping Git and reference tests"
+            end
         end
     finally
         popfirst!(DEPOT_PATH)