ArgParse cannot be installed on Julia 0.6.3 about argparse.jl

[carlobaldassi]

I can't reproduce this. It's possible that you have some fixed package that holds back ArgParse to version 0.4.0 or lower. What is the version of Compat that you have installed, for example? (Pkg.status("Compat")).

[karatedog]

Compat exists, but I did not install it myself directly (I don't know how the package manager works)

julia> Pkg.status("Compat")
 - Compat                        0.4.5+             526a5f5c

I have installed a fresh 0.6.3 (https://julialang-s3.julialang.org/bin/linux/x64/0.6/julia-0.6.3-linux-x86_64.tar.gz), and haven't installed or removed packages until I wanted to install IJulia and did:
julia> Pkg.add("IJulia")
This was the first time I encountered the error message.

Long error message (I should have put it here earlier):

julia> Pkg.update()
INFO: Updating METADATA...
INFO: Updating Options master...
INFO: Computing changes...
ERROR: ArgParse can't be installed because it has no versions that support 0.6.3 of julia. You may need to update METADATA by running `Pkg.update()`
Stacktrace:
 [1] resolve(::Dict{String,Base.Pkg.Types.VersionSet}, ::Dict{String,Dict{VersionNumber,Base.Pkg.Types.Available}}, ::Dict{String,Tuple{VersionNumber,Bool}}, ::Dict{String,Base.Pkg.Types.Fixed}, ::Dict{String,VersionNumber}, ::Set{String}) at ./pkg/entry.jl:488
 [2] update(::String, ::Set{String}) at ./pkg/entry.jl:461
 [3] (::Base.Pkg.Dir.##4#7{Array{Any,1},Base.Pkg.Entry.#update,Tuple{String,Set{String}}})() at ./pkg/dir.jl:36
 [4] cd(::Base.Pkg.Dir.##4#7{Array{Any,1},Base.Pkg.Entry.#update,Tuple{String,Set{String}}}, ::String) at ./file.jl:70
 [5] #cd#1(::Array{Any,1}, ::Function, ::Function, ::String, ::Vararg{Any,N} where N) at ./pkg/dir.jl:36
 [6] update() at ./pkg/pkg.jl:228

[carlobaldassi]

You are using a very old version of Compat and it's not being upgraded since you might have checked it out, or modified it. This acts as a hard-constraint for all other packages, and in particular doesn't allow the package manager to even consider newer versions of ArgParse. In any case, you could try Pkg.free("Compat") and see if that works. If not, you could go to the directory .julia/v0.6/Compat and reset the git repository, and then try to Pkg.free it again.

[karatedog]

Thank you, Pkg.free("Compat") worked.

julia> Pkg.free("Compat")
INFO: Freeing Compat
INFO: Cloning cache of DataStructures from https://github.com/JuliaCollections/DataStructures.jl.git
INFO: Cloning cache of Missings from https://github.com/JuliaData/Missings.jl.git
INFO: Cloning cache of NaNMath from https://github.com/mlubin/NaNMath.jl.git
INFO: Cloning cache of SortingAlgorithms from https://github.com/JuliaCollections/SortingAlgorithms.jl.git
INFO: Cloning cache of StatsBase from https://github.com/JuliaStats/StatsBase.jl.git
INFO: Upgrading BinDeps: v0.3.15 => v0.8.8
INFO: Upgrading Cairo: v0.2.31 => v0.5.2
INFO: Upgrading ColorTypes: v0.2.12 => v0.6.7
INFO: Upgrading Colors: v0.6.4 => v0.8.2
INFO: Upgrading Compat: v0.4.5 => v0.69.0
INFO: Installing DataStructures v0.8.3
INFO: Upgrading FixedPointNumbers: v0.1.2 => v0.4.6
INFO: Upgrading Formatting: v0.3.0 => v0.3.2
INFO: Upgrading Graphics: v0.1.3 => v0.3.0
INFO: Upgrading IniFile: v0.2.4 => v0.4.0
INFO: Installing Missings v0.2.10
INFO: Installing NaNMath v0.3.1
INFO: Upgrading SHA: v0.5.3 => v0.5.7
INFO: Installing SortingAlgorithms v0.2.1
INFO: Installing StatsBase v0.23.1
INFO: Upgrading Tk: v0.3.3 => v0.5.2
INFO: Upgrading URIParser: v0.1.3 => v0.3.1
INFO: Upgrading Winston: v0.11.13 => v0.13.2
INFO: Removing Dates v0.4.4
INFO: Building Cairo
INFO: Building Tk

julia> Pkg.update()
INFO: Updating METADATA...
INFO: Updating Options master...
INFO: Computing changes...
INFO: Upgrading DataStructures: v0.8.3 => v0.8.4

julia> Pkg.add("ArgParse")
INFO: Installing ArgParse v0.6.0
INFO: Installing TextWrap v0.3.0
INFO: Package database updated