# redMine - project management software
# Copyright (C) 2006-2007 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require 'redmine/scm/adapters/abstract_adapter'
module Redmine
module Scm
module Adapters
class GitAdapter < AbstractAdapter
# Git executable name
GIT_BIN = "git"
def info
begin
Info.new(:root_url => url, :lastrev => lastrev('',nil))
rescue
nil
end
end
def branches
branches = []
cmd = "#{GIT_BIN} --git-dir #{target('')} branch"
shellout(cmd) do |io|
io.each_line do |line|
branches << line.match('\s*\*?\s*(.*)$')[1]
end
end
branches.sort!
end
def tags
tags = []
cmd = "#{GIT_BIN} --git-dir #{target('')} tag"
shellout(cmd) do |io|
io.readlines.sort!.map{|t| t.strip}
end
end
def default_branch
branches.include?('master') ? 'master' : branches.first
end
def entries(path=nil, identifier=nil)
path ||= ''
entries = Entries.new
cmd = "#{GIT_BIN} --git-dir #{target('')} ls-tree -l "
cmd << shell_quote("HEAD:" + path) if identifier.nil?
cmd << shell_quote(identifier + ":" + path) if identifier
shellout(cmd) do |io|
io.each_line do |line|
e = line.chomp.to_s
if e =~ /^\d+\s+(\w+)\s+([0-9a-f]{40})\s+([0-9-]+)\s+(.+)$/
type = $1
sha = $2
size = $3
name = $4
full_path = path.empty? ? name : "#{path}/#{name}"
entries << Entry.new({:name => name,
:path => full_path,
:kind => (type == "tree") ? 'dir' : 'file',
:size => (type == "tree") ? nil : size,
:lastrev => lastrev(full_path,identifier)
}) unless entries.detect{|entry| entry.name == name}
end
end
end
return nil if $? && $?.exitstatus != 0
entries.sort_by_name
end
def lastrev(path,rev)
return nil if path.nil?
cmd = "#{GIT_BIN} --git-dir #{target('')} log --pretty=fuller --no-merges -n 1 "
cmd << " #{shell_quote rev} " if rev
cmd << "-- #{path} " unless path.empty?
shellout(cmd) do |io|
begin
id = io.gets.split[1]
author = io.gets.match('Author:\s+(.*)$')[1]
2.times { io.gets }
time = io.gets.match('CommitDate:\s+(.*)$')[1]
Revision.new({
:identifier => id,
:scmid => id,
:author => author,
:time => time,
:message => nil,
:paths => nil
})
rescue NoMethodError => e
logger.error("The revision '#{path}' has a wrong format")
return nil
end
end
end
def num_revisions
cmd = "#{GIT_BIN} --git-dir #{target('')} log --all --pretty=format:'' | wc -l"
shellout(cmd) {|io| io.gets.chomp.to_i + 1}
end
def revisions(path, identifier_from, identifier_to, options={})
revisions = Revisions.new
cmd = "#{GIT_BIN} --git-dir #{target('')} log --find-copies-harder --raw --date=iso --pretty=fuller"
cmd << " --reverse" if options[:reverse]
cmd << " --all" if options[:all]
cmd << " -n #{options[:limit]} " if options[:limit]
cmd << " #{shell_quote(identifier_from + '..')} " if identifier_from
cmd << " #{shell_quote identifier_to} " if identifier_to
cmd << " -- #{path}" if path && !path.empty?
shellout(cmd) do |io|
files=[]
changeset = {}
parsing_descr = 0 #0: not parsing desc or files, 1: parsing desc, 2: parsing files
revno = 1
io.each_line do |line|
if line =~ /^commit ([0-9a-f]{40})$/
key = "commit"
value = $1
if (parsing_descr == 1 || parsing_descr == 2)
parsing_descr = 0
revision = Revision.new({
:identifier => changeset[:commit],
:scmid => changeset[:commit],
:author => changeset[:author],
:time => Time.parse(changeset[:date]),
:message => changeset[:description],
:paths => files
})
if block_given?
yield revision
else
revisions << revision
end
changeset = {}
files = []
revno = revno + 1
end
changeset[:commit] = $1
elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/
key = $1
value = $2
if key == "Author"
changeset[:author] = value
elsif key == "CommitDate"
changeset[:date] = value
end
elsif (parsing_descr == 0) && line.chomp.to_s == ""
parsing_descr = 1
changeset[:description] = ""
elsif (parsing_descr == 1 || parsing_descr == 2) \
&& line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\s+(.+)$/
parsing_descr = 2
fileaction = $1
filepath = $2
files << {:action => fileaction, :path => filepath}
elsif (parsing_descr == 1 || parsing_descr == 2) \
&& line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\d+\s+(\S+)\s+(.+)$/
parsing_descr = 2
fileaction = $1
filepath = $3
files << {:action => fileaction, :path => filepath}
elsif (parsing_descr == 1) && line.chomp.to_s == ""
parsing_descr = 2
elsif (parsing_descr == 1)
changeset[:description] << line[4..-1]
end
end
if changeset[:commit]
revision = Revision.new({
:identifier => changeset[:commit],
:scmid => changeset[:commit],
:author => changeset[:author],
:time => Time.parse(changeset[:date]),
:message => changeset[:description],
:paths => files
})
if block_given?
yield revision
else
revisions << revision
end
end
end
return nil if $? && $?.exitstatus != 0
revisions
end
def diff(path, identifier_from, identifier_to=nil)
path ||= ''
if identifier_to
cmd = "#{GIT_BIN} --git-dir #{target('')} diff #{shell_quote identifier_to} #{shell_quote identifier_from}"
else
cmd = "#{GIT_BIN} --git-dir #{target('')} show #{shell_quote identifier_from}"
end
cmd << " -- #{shell_quote path}" unless path.empty?
diff = []
shellout(cmd) do |io|
io.each_line do |line|
diff << line
end
end
return nil if $? && $?.exitstatus != 0
diff
end
def annotate(path, identifier=nil)
identifier = 'HEAD' if identifier.blank?
cmd = "#{GIT_BIN} --git-dir #{target('')} blame -l #{shell_quote identifier} -- #{shell_quote path}"
blame = Annotate.new
content = nil
shellout(cmd) { |io| io.binmode; content = io.read }
return nil if $? && $?.exitstatus != 0
# git annotates binary files
return nil if content.is_binary_data?
content.split("\n").each do |line|
next unless line =~ /([0-9a-f]{39,40})\s\((\w*)[^\)]*\)(.*)/
blame.add_line($3.rstrip, Revision.new(:identifier => $1, :author => $2.strip))
end
blame
end
def cat(path, identifier=nil)
if identifier.nil?
identifier = 'HEAD'
end
cmd = "#{GIT_BIN} --git-dir #{target('')} show #{shell_quote(identifier + ':' + path)}"
cat = nil
shellout(cmd) do |io|
io.binmode
cat = io.read
end
return nil if $? && $?.exitstatus != 0
cat
end
end
end
end
end