forked from nesquena/gitdocs
/
runner.rb
206 lines (186 loc) · 6.8 KB
/
runner.rb
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module Gitdocs
class Runner
include ShellTools
attr_reader :root, :listener
def initialize(share)
@share = share
@root = share.path
@polling_interval = share.polling_interval
@icon = File.expand_path("../../img/icon.png", __FILE__)
end
SearchResult = Struct.new(:file, :context)
def search(term)
results = []
if result_test = sh_string("git grep #{ShellTools.escape(term)}")
result_test.scan(/(.*?):([^\n]*)/) { |(file, context)| results << SearchResult.new(file, context) }
end
results
end
def run
return false unless self.valid?
@show_notifications = @share.notification
@current_remote = @share.remote_name
@current_branch = @share.branch_name
@current_revision = sh_string("git rev-parse HEAD")
Guard::Notifier.turn_on if @show_notifications
mutex = Mutex.new
info("Running gitdocs!", "Running gitdocs in `#{@root}'")
# Pull changes from remote repository
syncer = proc do
EM.defer(proc do
mutex.synchronize { sync_changes }
end, proc do
EM.add_timer(@polling_interval) {
syncer.call
}
end)
end
syncer.call
# Listen for changes in local repository
EM.defer(proc{
listener = Guard::Listener.select_and_init(@root, :watch_all_modifications => true)
listener.on_change { |directories|
directories.uniq!
directories.delete_if {|d| d =~ /\/\.git/}
unless directories.empty?
EM.next_tick do
EM.defer(proc {
mutex.synchronize { push_changes }
}, proc {} )
end
end
}
listener.start
}, proc{EM.stop_reactor})
end
def clear_state
@state = nil
end
def sync_changes
out, status = sh_with_code("git fetch --all && git merge #{@current_remote}/#{@current_branch}")
if status.success?
changes = get_latest_changes
unless changes.empty?
author_list = changes.inject(Hash.new{|h, k| h[k] = 0}) {|h, c| h[c['author']] += 1; h}.to_a.sort{|a,b| b[1] <=> a[1]}.map{|(name, count)| "* #{name} (#{count} change#{count == 1 ? '' : 's'})"}.join("\n")
info("Updated with #{changes.size} change#{changes.size == 1 ? '' : 's'}", "In `#{@root}':\n#{author_list}")
end
push_changes
elsif out[/CONFLICT/]
conflicted_files = sh("git ls-files -u --full-name -z").split("\0").
inject(Hash.new{|h, k| h[k] = []}) {|h, line|
parts = line.split(/\t/)
h[parts.last] << parts.first.split(/ /)
h
}
warn("There were some conflicts", "#{conflicted_files.keys.map{|f| "* #{f}"}.join("\n")}")
conflicted_files.each do |conflict, ids|
conflict_start, conflict_end = conflict.scan(/(.*?)(|\.[^\.]+)$/).first
ids.each do |(mode, sha, id)|
author = " original" if id == "1"
system("cd #{@root} && git show :#{id}:#{conflict} > '#{conflict_start} (#{sha[0..6]}#{author})#{conflict_end}'")
end
system("cd #{@root} && git rm #{conflict}") or raise
end
push_changes
elsif sh_string("git remote").nil? # no remote to pull from
# Do nothing, no remote repo yet
else
error("There was a problem synchronizing this gitdoc", "A problem occurred in #{@root}:\n#{out}")
end
end
def push_changes
sh 'find . -type d -regex ``./[^.].*'' -empty -exec touch \'{}/.gitignore\' \;'
sh 'git add .'
# TODO make this message nicer
sh "git commit -a -m'Auto-commit from gitdocs'" unless sh("git status -s").strip.empty?
if @current_revision.nil? || sh('git status')[/branch is ahead/]
out, code = sh_with_code("git push #{@current_remote} #{@current_branch}")
if code.success?
changes = get_latest_changes
info("Pushed #{changes.size} change#{changes.size == 1 ? '' : 's'}", "`#{@root}' has been pushed")
elsif @current_revision.nil?
# ignorable
elsif out[/\[rejected\]/]
warn("There was a conflict in #{@root}, retrying", "")
else
error("BAD Could not push changes in #{@root}", out)
exit
end
end
end
def get_latest_changes
if @current_revision
out = sh "git log #{@current_revision}.. --pretty='format:{\"commit\": \"%H\",%n \"author\": \"%an <%ae>\",%n \"date\": \"%ad\",%n \"message\": \"%s\"%n}'"
if out.empty?
[]
else
lines = []
Yajl::Parser.new.parse(out) do |obj|
lines << obj
end
@current_revision = sh("git rev-parse HEAD").strip
lines
end
else
[]
end
end
IGNORED_FILES = ['.gitignore']
# dir_files("some/dir") => [<Docfile>, <Docfile>]
def dir_files(dir)
dir_path = File.expand_path(dir, @root)
files = {}
ls_files = sh_string("git ls-files").split("\n").map { |f| Docfile.new(f) }
ls_files.select { |f| f.within?(dir, @root) }.each do |f|
path = File.expand_path(f.parent, root)
files[path] ||= Docdir.new(path)
files[path].files << f unless IGNORED_FILES.include?(f.name)
end
files.keys.each { |f| files[f].parent = files[File.dirname(f)] }
files[dir_path]
end
def file_meta(file)
file = file.gsub(%r{^/}, '')
full_path = File.expand_path(file, @root)
author, modified = sh_string("git log --format='%aN|%ai' -n1 #{ShellTools.escape(file)}").split("|")
modified = Time.parse(modified.sub(' ', 'T')).utc.iso8601
size = (File.symlink?(full_path) || File.directory?(full_path)) ? -1 : File.size(full_path)
{ :author => author, :size => size, :modified => modified }
end
def valid?
out, status = sh_with_code "git status"
status.success?
end
def warn(title, msg)
if @show_notifications
Guard::Notifier.notify(msg, :title => title)
else
Kernel.warn("#{title}: #{msg}")
end
end
def info(title, msg)
if @show_notifications
Guard::Notifier.notify(msg, :title => title, :image => @icon)
else
puts("#{title}: #{msg}")
end
end
def error(title, msg)
if @show_notifications
Guard::Notifier.notify(msg, :title => title, :image => :failure)
else
Kernel.warn("#{title}: #{msg}")
end
end
# sh_string("git config branch.`git branch | grep '^\*' | sed -e 's/\* //'`.remote", "origin")
def sh_string(cmd, default=nil)
val = sh(cmd).strip rescue nil
(val.nil? || val.empty?) ? default : val
end
# Run in shell, return both status and output
# @see #sh
def sh_with_code(cmd)
ShellTools.sh_with_code(cmd, @root)
end
end
end