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dir.jl
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dir.jl
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# This file is a part of Julia. License is MIT: http:https://julialang.org/license
module Dir
import ..Pkg: DEFAULT_META, META_BRANCH, PkgError
import ...LibGit2, ...LibGit2.with
const DIR_NAME = ".julia"
_pkgroot() = abspath(get(ENV,"JULIA_PKGDIR",joinpath(homedir(),DIR_NAME)))
isversioned(p::AbstractString) = ((x,y) = (VERSION.major, VERSION.minor); basename(p) == "v$x.$y")
function path()
b = _pkgroot()
x, y = VERSION.major, VERSION.minor
d = joinpath(b,"v$x.$y")
if isdir(d) || !isdir(b) || !isdir(joinpath(b, "METADATA"))
return d
end
return b
end
path(pkg::AbstractString...) = normpath(path(),pkg...)
function cd(f::Function, args...; kws...)
dir = path()
metadata_dir = joinpath(dir, "METADATA")
if !isdir(metadata_dir)
!haskey(ENV,"JULIA_PKGDIR") ? init() :
throw(PkgError("Package metadata directory $metadata_dir doesn't exist; run Pkg.init() to initialize it."))
end
Base.cd(()->f(args...; kws...), dir)
end
function init(meta::AbstractString=DEFAULT_META, branch::AbstractString=META_BRANCH)
dir = path()
info("Initializing package repository $dir")
metadata_dir = joinpath(dir, "METADATA")
if isdir(metadata_dir)
info("Package directory $dir is already initialized.")
LibGit2.set_remote_url(metadata_dir, meta)
return
end
local temp_dir = ""
try
mkpath(dir)
temp_dir = mktempdir(dir)
Base.cd(temp_dir) do
info("Cloning METADATA from $meta")
with(LibGit2.clone(meta, "METADATA", branch = branch)) do metadata_repo
LibGit2.set_remote_url(metadata_repo, meta)
end
touch("REQUIRE")
touch("META_BRANCH")
write("META_BRANCH", branch)
end
#Move TEMP to METADATA
Base.mv(joinpath(temp_dir,"METADATA"), metadata_dir)
Base.mv(joinpath(temp_dir,"REQUIRE"), joinpath(dir,"REQUIRE"))
Base.mv(joinpath(temp_dir,"META_BRANCH"), joinpath(dir,"META_BRANCH"))
rm(temp_dir)
catch err
ispath(metadata_dir) && rm(metadata_dir, recursive=true)
ispath(temp_dir) && rm(temp_dir, recursive=true)
rethrow(err)
end
end
function getmetabranch()
try
chomp(readline(joinpath(path(),"META_BRANCH")))
catch err
META_BRANCH
end
end
end # module