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Contents
module Pkg::Util
class Git_tag
attr_reader :address, :ref, :ref_name, :ref_type
GIT = Pkg::Util::Tool::GIT
DEVNULL = Pkg::Util::OS::DEVNULL
# A SHA1 sum is 20 characters long, but Git will match on
# the first ~8 or so. And 8 is long enough for fun test sums
# like 'cafebeef' or 'deadfeed`.
SHA1 = /[0-9A-F]{8,20}/i
def initialize(address, reference)
@address = address
@ref = reference
parse_ref!
end
# Parse ref in one of three ways: if the ref is already in a good format just grab
# the ref type from the string. if it's not, check if it's a sha, if that is true
# then list it as a sha. finally if it's neither of those fetch the full ref and
# parse that.
def parse_ref!
if ref?
split_ref(ref)
elsif sha?
@ref_type = "sha"
else
split_ref(fetch_full_ref)
end
end
# Split the ref based on slashes, set ref_name and ref_type based on the last two
# items from the split. i.e. refs/tags/1.1.1 would return:
# @ref_name => 1.1.1 @ref_type => tags
def split_ref(ref)
ref_parts = ref.split('/', 3)
@ref_name = ref_parts.pop
@ref_type = ref_parts.pop
[@ref_type, @ref_name]
end
# Fetch the full ref using ls-remote, this should raise an error if it returns non-zero
# because that means this ref doesn't exist in the repo
def fetch_full_ref
stdout, = Pkg::Util::Execution.capture3("#{GIT} ls-remote --tags --heads --exit-code #{address} #{ref}")
stdout.split.last
rescue RuntimeError => e
raise "ERROR : Not a ref or sha!\n#{e}"
end
def branch_name
branch? ? ref_name : nil
end
def ref?
%x(#{GIT} check-ref-format #{ref} >#{DEVNULL} 2>&1)
$?.success?
end
def branch?
ref_type.downcase == "heads"
end
def tag?
ref_type.downcase == "tags"
end
def sha?
!!(ref =~ SHA1)
end
end
end
Version data entries
33 entries across 33 versions & 1 rubygems