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# 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"
# Get the revision of a particuliar file
def get_rev (rev,path)
cmd="git --git-dir #{target('')} show #{shell_quote rev} -- #{shell_quote path}" if rev!='latest' and (! rev.nil?)
cmd="git --git-dir #{target('')} log -1 master -- #{shell_quote path}" if
rev=='latest' or rev.nil?
rev=[]
i=0
shellout(cmd) do |io|
files=[]
changeset = {}
parsing_descr = 0 #0: not parsing desc or files, 1: parsing desc, 2: parsing files
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
rev = Revision.new({:identifier => changeset[:commit],
:scmid => changeset[:commit],
:author => changeset[:author],
:time => Time.parse(changeset[:date]),
:message => changeset[:description],
:paths => files
})
changeset = {}
files = []
end
changeset[:commit] = $1
elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/
key = $1
value = $2
if key == "Author"
changeset[:author] = value
elsif key == "Date"
changeset[:date] = value
end
elsif (parsing_descr == 0) && line.chomp.to_s == ""
parsing_descr = 1
changeset[:description] = ""
elsif (parsing_descr == 1 || parsing_descr == 2) && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\s+(.+)$/
parsing_descr = 2
fileaction = $1
filepath = $2
files << {:action => fileaction, :path => filepath}
elsif (parsing_descr == 1) && line.chomp.to_s == ""
parsing_descr = 2
elsif (parsing_descr == 1)
changeset[:description] << line
end
end
rev = Revision.new({:identifier => changeset[:commit],
:scmid => changeset[:commit],
:author => changeset[:author],
:time => Time.parse(changeset[:date]),
:message => changeset[:description],
:paths => files
})
end
get_rev('latest',path) if rev == []
return nil if $? && $?.exitstatus != 0
return rev
end
def info
revs = revisions(url,nil,nil,{:limit => 1})
if revs && revs.any?
Info.new(:root_url => url, :lastrev => revs.first)
else
nil
end
rescue Errno::ENOENT => e
return nil
end
def entries(path=nil, identifier=nil)
path ||= ''
entries = Entries.new
cmd = "#{GIT_BIN} --git-dir #{target('')} ls-tree -l "
cmd << shell_quote("HEAD:" + path) if identifier.nil?
cmd << shell_quote(identifier + ":" + path) if identifier
shellout(cmd) do |io|
io.each_line do |line|
e = line.chomp.to_s
if e =~ /^\d+\s+(\w+)\s+([0-9a-f]{40})\s+([0-9-]+)\s+(.+)$/
type = $1
sha = $2
size = $3
name = $4
entries << Entry.new({:name => name,
:path => (path.empty? ? name : "#{path}/#{name}"),
:kind => ((type == "tree") ? 'dir' : 'file'),
:size => ((type == "tree") ? nil : size),
:lastrev => get_rev(identifier,(path.empty? ? name : "#{path}/#{name}"))
}) unless entries.detect{|entry| entry.name == name}
end
end
end
return nil if $? && $?.exitstatus != 0
entries.sort_by_name
end
def entry(path=nil, identifier=nil)
path ||= ''
search_path = path.split('/')[0..-2].join('/')
entry_name = path.split('/').last
e = entries(search_path, identifier)
e ? e.detect{|entry| entry.name == entry_name} : nil
end
def revisions(path, identifier_from, identifier_to, options={})
revisions = Revisions.new
cmd = "#{GIT_BIN} --git-dir #{target('')} log --raw "
cmd << " -n #{options[:limit].to_i} " if (!options.nil?) && options[:limit]
cmd << " #{shell_quote(identifier_from + '..')} " if identifier_from
cmd << " #{shell_quote identifier_to} " if identifier_to
#cmd << " HEAD " if !identifier_to
shellout(cmd) do |io|
files=[]
changeset = {}
parsing_descr = 0 #0: not parsing desc or files, 1: parsing desc, 2: parsing files
revno = 1
io.each_line do |line|
if line =~ /^commit ([0-9a-f]{40})$/
key = "commit"
value = $1
if (parsing_descr == 1 || parsing_descr == 2)
parsing_descr = 0
revisions << Revision.new({:identifier => changeset[:commit],
:scmid => changeset[:commit],
:author => changeset[:author],
:time => Time.parse(changeset[:date]),
:message => changeset[:description],
:paths => files
})
changeset = {}
files = []
revno = revno + 1
end
changeset[:commit] = $1
elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/
key = $1
value = $2
if key == "Author"
changeset[:author] = value
elsif key == "Date"
changeset[:date] = value
end
elsif (parsing_descr == 0) && line.chomp.to_s == ""
parsing_descr = 1
changeset[:description] = ""
elsif (parsing_descr == 1 || parsing_descr == 2) && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\s+(.+)$/
parsing_descr = 2
fileaction = $1
filepath = $2
files << {:action => fileaction, :path => filepath}
elsif (parsing_descr == 1) && line.chomp.to_s == ""
parsing_descr = 2
elsif (parsing_descr == 1)
changeset[:description] << line[4..-1]
end
end
revisions << Revision.new({:identifier => changeset[:commit],
:scmid => changeset[:commit],
:author => changeset[:author],
:time => Time.parse(changeset[:date]),
:message => changeset[:description],
:paths => files
}) if changeset[:commit]
end
return nil if $? && $?.exitstatus != 0
revisions
end
def diff(path, identifier_from, identifier_to=nil, type="inline")
path ||= ''
if !identifier_to
identifier_to = nil
end
cmd = "#{GIT_BIN} --git-dir #{target('')} show #{shell_quote identifier_from}" if identifier_to.nil?
cmd = "#{GIT_BIN} --git-dir #{target('')} diff #{shell_quote identifier_to} #{shell_quote identifier_from}" if !identifier_to.nil?
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
DiffTableList.new diff, type
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
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