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version.jl
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## semantic version numbers (http://semver.org)
immutable VersionNumber
major::Int
minor::Int
patch::Int
prerelease::(Union(Int,ASCIIString)...)
build::(Union(Int,ASCIIString)...)
function VersionNumber(major::Integer, minor::Integer, patch::Integer, pre::(Union(Int,ASCIIString)...), bld::(Union(Int,ASCIIString)...))
major >= 0 || error("invalid negative major version: $major")
minor >= 0 || error("invalid negative minor version: $minor")
patch >= 0 || error("invalid negative patch version: $patch")
for ident in pre
if isa(ident,Int)
ident >= 0 || error("invalid negative pre-release identifier: $ident")
else
if !ismatch(r"^(?:|[0-9a-z-]*[a-z-][0-9a-z-]*)$"i, ident) ||
isempty(ident) && !(length(pre)==1 && isempty(bld))
error("invalid pre-release identifier: ", repr(ident))
end
end
end
for ident in bld
if isa(ident,Int)
ident >= 0 || error("invalid negative build identifier: $ident")
else
if !ismatch(r"^(?:|[0-9a-z-]*[a-z-][0-9a-z-]*)$"i, ident) ||
isempty(ident) && length(bld)!=1
error("invalid build identifier: ", repr(ident))
end
end
end
new(major, minor, patch, pre, bld)
end
end
VersionNumber(x::Integer, y::Integer, z::Integer) = VersionNumber(x, y, z, (), ())
VersionNumber(x::Integer, y::Integer) = VersionNumber(x, y, 0, (), ())
VersionNumber(x::Integer) = VersionNumber(x, 0, 0, (), ())
function print(io::IO, v::VersionNumber)
v == typemax(VersionNumber) && return print(io, "∞")
print(io, v.major)
print(io, '.')
print(io, v.minor)
print(io, '.')
print(io, v.patch)
if !isempty(v.prerelease)
print(io, '-')
print_joined(io, v.prerelease,'.')
end
if !isempty(v.build)
print(io, '+')
print_joined(io, v.build,'.')
end
end
show(io::IO, v::VersionNumber) = print(io, "v\"", v, "\"")
convert(::Type{VersionNumber}, v::Integer) = VersionNumber(v)
convert(::Type{VersionNumber}, v::Tuple) = VersionNumber(v...)
const VERSION_REGEX = r"^
v? # prefix (optional)
(\d+) # major (required)
(?:\.(\d+))? # minor (optional)
(?:\.(\d+))? # patch (optional)
(?:(-)|
(?:-((?:[0-9a-z-]+\.)*[0-9a-z-]+))? # pre-release (optional)
(?:(\+)|
(?:\+((?:[0-9a-z-]+\.)*[0-9a-z-]+))? # build (optional)
))
$"ix
function split_idents(s::String)
idents = split(s, '.')
ntuple(length(idents)) do i
ident = idents[i]
ismatch(r"^\d+$", ident) ? parseint(ident) : bytestring(ident)
end
end
function convert(::Type{VersionNumber}, v::String)
m = match(VERSION_REGEX, v)
if m == nothing error("invalid version string: $v") end
major, minor, patch, minus, prerl, plus, build = m.captures
major = int(major)
minor = minor != nothing ? int(minor) : 0
patch = patch != nothing ? int(patch) : 0
prerl = prerl != nothing ? split_idents(prerl) : minus == "-" ? ("",) : ()
build = build != nothing ? split_idents(build) : plus == "+" ? ("",) : ()
VersionNumber(major, minor, patch, prerl, build)
end
macro v_str(v); convert(VersionNumber, v); end
typemin(::Type{VersionNumber}) = v"0-"
typemax(::Type{VersionNumber}) = VersionNumber(typemax(Int),typemax(Int),typemax(Int),(),("",))
ident_cmp(a::Int, b::Int) = cmp(a,b)
ident_cmp(a::Int, b::ASCIIString) = isempty(b) ? +1 : -1
ident_cmp(a::ASCIIString, b::Int) = isempty(a) ? -1 : +1
ident_cmp(a::ASCIIString, b::ASCIIString) = cmp(a,b)
function ident_cmp(A::(Union(Int,ASCIIString)...),
B::(Union(Int,ASCIIString)...))
i = start(A)
j = start(B)
while !done(A,i) && !done(B,i)
a,i = next(A,i)
b,j = next(B,j)
c = ident_cmp(a,b)
(c != 0) && return c
end
done(A,i) && !done(B,j) ? -1 :
!done(A,i) && done(B,j) ? +1 : 0
end
function isequal(a::VersionNumber, b::VersionNumber)
(a.major != b.major) && return false
(a.minor != b.minor) && return false
(a.patch != b.patch) && return false
(ident_cmp(a.prerelease,b.prerelease) != 0) && return false
(ident_cmp(a.build,b.build) != 0) && return false
return true
end
issupbuild(v::VersionNumber) = length(v.build)==1 && isempty(v.build[1])
function isless(a::VersionNumber, b::VersionNumber)
(a.major < b.major) && return true
(a.major > b.major) && return false
(a.minor < b.minor) && return true
(a.minor > b.minor) && return false
(a.patch < b.patch) && return true
(a.patch > b.patch) && return false
(!isempty(a.prerelease) && isempty(b.prerelease)) && return true
(isempty(a.prerelease) && !isempty(b.prerelease)) && return false
c = ident_cmp(a.prerelease,b.prerelease)
(c < 0) && return true
(c > 0) && return false
(!issupbuild(a) && issupbuild(b)) && return true
(issupbuild(a) && !issupbuild(b)) && return false
c = ident_cmp(a.build,b.build)
(c < 0) && return true
return false
end
hash(v::VersionNumber) = hash([v.(n) for n in VersionNumber.names])
lowerbound(v::VersionNumber) = VersionNumber(v.major, v.minor, v.patch, ("",), ())
upperbound(v::VersionNumber) = VersionNumber(v.major, v.minor, v.patch, (), ("",))
thispatch(v::VersionNumber) = VersionNumber(v.major, v.minor, v.patch)
thisminor(v::VersionNumber) = VersionNumber(v.major, v.minor, 0)
thismajor(v::VersionNumber) = VersionNumber(v.major, 0, 0)
nextpatch(v::VersionNumber) = v < thispatch(v) ? thispatch(v) : VersionNumber(v.major, v.minor, v.patch+1)
nextminor(v::VersionNumber) = v < thisminor(v) ? thisminor(v) : VersionNumber(v.major, v.minor+1, 0)
nextmajor(v::VersionNumber) = v < thismajor(v) ? thismajor(v) : VersionNumber(v.major+1, 0, 0)
function check_new_version(existing::Vector{VersionNumber}, ver::VersionNumber)
@assert issorted(existing)
if isempty(existing)
for v in [v"0", v"0.0.1", v"0.1", v"1"]
lowerbound(v) <= ver <= v && return
end
error("$ver is not a valid initial version (try 0.0.0, 0.0.1, 0.1 or 1.0)")
end
idx = searchsortedlast(existing,ver)
prv = existing[idx]
ver == prv && error("version $ver already exists")
nxt = thismajor(ver) != thismajor(prv) ? nextmajor(prv) :
thisminor(ver) != thisminor(prv) ? nextminor(prv) : nextpatch(prv)
ver <= nxt || error("$ver skips over $nxt")
thispatch(ver) <= ver && return # regular or build release
idx < length(existing) && thispatch(existing[idx+1]) <= nxt &&
error("$ver is a pre-release of existing version $(existing[idx+1])")
return # acceptable new version
end
## julia version info
begin
# Include build number if we've got at least some distance from a tag (e.g. a release)
prerelease = BUILD_INFO.prerelease ? "-prerelease" : ""
build_number = BUILD_INFO.build_number != 0 ? "+$(BUILD_INFO.build_number)" : ""
try
global const VERSION = convert(VersionNumber, "$(BUILD_INFO.version_string)$(prerelease)$(build_number)")
catch e
println("while creating Base.VERSION, ignoring error $e")
global const VERSION = VersionNumber(0)
end
if BUILD_INFO.tagged_commit
const commit_string = BUILD_INFO.TAGGED_RELEASE_BANNER
elseif BUILD_INFO.commit == ""
const commit_string = ""
else
local days = int(floor((ccall(:clock_now, Float64, ()) - BUILD_INFO.fork_master_timestamp) / (60 * 60 * 24)))
if BUILD_INFO.fork_master_distance == 0
const commit_string = "Commit $(BUILD_INFO.commit_short) ($(days) days old master)"
else
const commit_string = "$(BUILD_INFO.branch)/$(BUILD_INFO.commit_short) (fork: $(BUILD_INFO.fork_master_distance) commits, $(days) days)"
end
end
commit_date = BUILD_INFO.date_string != "" ? " ($(BUILD_INFO.date_string))": ""
const banner_plain =
"""
_
_ _ _(_)_ | A fresh approach to technical computing
(_) | (_) (_) | Documentation: http://docs.julialang.org
_ _ _| |_ __ _ | Type \"help()\" to list help topics
| | | | | | |/ _` | |
| | |_| | | | (_| | | Version $(VERSION)$(commit_date)
_/ |\\__'_|_|_|\\__'_| | $(commit_string)
|__/ | $(Sys.MACHINE)
"""
local tx = "\033[0m\033[1m" # text
local jl = "\033[0m\033[1m" # julia
local d1 = "\033[34m" # first dot
local d2 = "\033[31m" # second dot
local d3 = "\033[32m" # third dot
local d4 = "\033[35m" # fourth dot
const banner_color =
"\033[1m $(d3)_
$(d1)_ $(jl)_$(tx) $(d2)_$(d3)(_)$(d4)_$(tx) | A fresh approach to technical computing
$(d1)(_)$(jl) | $(d2)(_)$(tx) $(d4)(_)$(tx) | Documentation: http://docs.julialang.org
$(jl)_ _ _| |_ __ _$(tx) | Type \"help()\" to list help topics
$(jl)| | | | | | |/ _` |$(tx) |
$(jl)| | |_| | | | (_| |$(tx) | Version $(VERSION)$(commit_date)
$(jl)_/ |\\__'_|_|_|\\__'_|$(tx) | $(commit_string)
$(jl)|__/$(tx) | $(Sys.MACHINE)
\033[0m"
end # begin