Merge pull request JuliaLang#20052 from JuliaLang/ksh/shows

Even more show methods for libgit2

Author: kshyatt

base/libgit2/index.jl

@@ -127,3 +127,7 @@ function Base.find(path::String, idx::GitIndex)
 end
 
 stage(ie::IndexEntry) = ccall((:git_index_entry_stage, :libgit2), Cint, (Ptr{IndexEntry},), Ref(ie))
+
+function Base.show(io::IO, idx::GitIndex)
+    println(io, "GitIndex:\nOwner: ", owner(idk), "\nNumber of elements: ", count(idx))
+end

base/libgit2/reference.jl

@@ -99,6 +99,21 @@ function isremote(ref::GitReference)
     return err == 1
 end
 
+function Base.show(io::IO, ref::GitReference)
+    println(io, "GitReference:")
+    if isremote(ref)
+        println(io, "Remote with name ", name(ref))
+    elseif isbranch(ref)
+        println(io, "Branch with name ", name(ref))
+        if ishead(ref)
+            println(io, "Branch is HEAD.")
+        else
+            println(io, "Branch is not HEAD.")
+        end
+    elseif istag(ref)
+        println(io, "Tag with name ", name(ref))
+    end
+end
 function peel{T <: GitObject}(::Type{T}, ref::GitReference)
     git_otype = getobjecttype(T)
     obj_ptr_ptr = Ref{Ptr{Void}}(C_NULL)

base/libgit2/tree.jl

@@ -16,6 +16,12 @@ function treewalk(f::Function, tree::GitTree, payload=Any[], post::Bool = false)
     return cbf_payload
 end
 
+function owner(tree::GitTree)
+    repo_ptr = ccall((:git_tree_owner, :libgit2), Ptr{Void},
+                 (Ptr{Void},), tree.ptr)
+    return GitRepo(repo_ptr)
+end
+
 function filename(te::GitTreeEntry)
     str = ccall((:git_tree_entry_name, :libgit2), Cstring, (Ptr{Void},), te.ptr)
     str != C_NULL && return unsafe_string(str)
@@ -26,6 +32,15 @@ function filemode(te::GitTreeEntry)
     return ccall((:git_tree_entry_filemode, :libgit2), Cint, (Ptr{Void},), te.ptr)
 end
 
+function entrytype(te::GitTreeEntry)
+    otype = ccall((:git_tree_entry_type, :libgit2), Cint, (Ptr{Void},), te.ptr)
+    return getobjecttype(otype)
+end
+
+function entryid(te::GitTreeEntry)
+    oid_ptr = ccall((:git_tree_entry_id, :libgit2), Cint, (Ptr{Void},), te.ptr)
+    return GitHash(oid_ptr[])
+end
 
 function object(repo::GitRepo, te::GitTreeEntry)
     obj_ptr_ptr = Ref{Ptr{Void}}(C_NULL)
@@ -34,3 +49,10 @@ function object(repo::GitRepo, te::GitTreeEntry)
                    obj_ptr_ptr, repo.ptr, te.ptr)
     return GitUnknownObject(repo, obj_ptr_ptr[])
 end
+
+function Base.show(io::IO, te::GitTreeEntry)
+    println(io, "GitTreeEntry:")
+    println(io, "Entry name: ", filename(te))
+    println(io, "Entry type: ", entrytype(te))
+    println(io, "Entry OID: ", entryid(te))
+end

test/libgit2.jl

@@ -399,6 +399,9 @@ mktempdir() do dir
                 @test tag1 in tags
                 tag1ref = LibGit2.GitReference(repo, "refs/tags/$tag1")
                 @test isempty(LibGit2.fullname(tag1ref)) #because this is a reference to an OID
+                show_strs = split(sprint(show, tag1ref), "\n")
+                @test show_strs[1] == "GitReference:"
+                @test show_strs[2] == "Tag with name refs/tags/$tag1"
                 tag1tag = LibGit2.peel(LibGit2.GitTag,tag1ref)
                 @test LibGit2.name(tag1tag) == tag1
                 @test LibGit2.target(tag1tag) == commit_oid1