Module: GitHelpers::GitExtraInfos

Included in:
GitDir
Defined in:
lib/git_helpers/extra_helpers.rb

Overview

various helpers

Instance Method Summary collapse

Instance Method Details

#aliases ⇒ Object

inspired by visionmedia//git-alias



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# File 'lib/git_helpers/extra_helpers.rb', line 90

def aliases
	with_dir do
		%x/git config --get-regexp 'alias.*'/.each_line.map do |l|
			puts l.sub(/^alias\./,"").sub(/ /," = ")
		end
	end
end

#commit_children(*commits) ⇒ Object

Inspired by https://gist.github.com/7590246.git



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# File 'lib/git_helpers/extra_helpers.rb', line 32

def commit_children(*commits)
	r={}
	commits.each do |commit|
		commit_id=run_simple %Q/git rev-parse "#{commit}^0"/, chomp: true #dereference tags
		run_simple(%Q/git rev-list --all --not #{commit_id}^@ --children/, chomp: :lines).each do |l|
			if l=~/^#{commit_id}/
				_commit, *children=l.split
				described=children.map {|c| run_simple("git describe --always #{c}", chomp: true)}
				r[commit]||=[]
				r[commit]+=described
			end
		end
	end
	r
end

#commits_by_files(*files) ⇒ Object

Inspired by the script git-effort from visionmedia



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# File 'lib/git_helpers/extra_helpers.rb', line 71

def commits_by_files(*files)
	r={}
	files=all_files if files.empty?
	with_dir do
		files.each do |file|
			dates=%x/git log #{DefaultLogOptions} --pretty='format: %ad' --date=short -- "#{file}"/.each_line.map {|l| l.chomp}
			r[file]={commits: dates.length, active: dates.uniq.length}
		end
	end
	r
end

#log_commits_by_files(logopts = nil) ⇒ Object

number of commits modifying each file (look in the logs) Inspired by the script git-churn, written by Corey Haines # Scriptified by Gary Bernhardt



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# File 'lib/git_helpers/extra_helpers.rb', line 55

def log_commits_by_files(logopts=nil)
	r={}
	files=run_simple("git log #{DefaultLogOptions} --name-only --format="" #{logopts}", chomp: :lines)
	uniq=files.uniq
	uniq.each do |file|
		r[file]=files.count(file)
	end
	r
end

#neck(*args, **opts) ⇒ Object

inspired by git-neck from https://github.com/cypher/dotfiles



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# File 'lib/git_helpers/extra_helpers.rb', line 150

def neck(*args, **opts)
	with_dir do
		commit=`git rev-parse --revs-only --default HEAD #{args.shelljoin}`.chomp
		log_opts=`git rev-parse --flags --no-revs #{args.shelljoin}`.chomp
		hash=`git rev-parse #{commit.shellescape}`.chomp
		merges=trails(commit, **opts)
		merges.delete(hash) #todo: only delete if we are the only tip
		merges.delete(:disjoint)
		system("git --no-pager -c color.ui=always log --pretty=suminfo #{log_opts} #{merges.keys.map {|mb| "^#{mb}"}.join(" ")} #{commit}")
		puts
	end
end

#output_all_trails(*args, **opts) ⇒ Object 



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# File 'lib/git_helpers/extra_helpers.rb', line 116

def output_all_trails(*args, **opts)
	args.each do |commit|
		trails(commit, **opts).each do |mb, tips|
			next if mb==:disjoint
			with_dir do
				l=%x/git -c color.ui=always log -n1 --date=short --format="%C(auto,green)%cd %C(auto)%h" #{mb}/
				date, short_hash=l.split
				nr=tips.map do |tip|
					`git name-rev --name-only --refs=#{tip.shellescape} #{mb}`.chomp
				end
				puts "#{date}: #{short_hash} – #{nr.join(', ')}"
			end
		end
	end
end

#output_commit_children(*commits) ⇒ Object 



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# File 'lib/git_helpers/extra_helpers.rb', line 47

def output_commit_children(*commits)
	commit_children(*commits).each do |commit, children|
		puts "#{commit}: #{children.join(", ")}"
	end
end

#output_commits_by_files(*files) ⇒ Object 



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# File 'lib/git_helpers/extra_helpers.rb', line 82

def output_commits_by_files(*files)
	commits_by_files(*files).each do |file, data|
		puts "- #{file}: #{data[:commits]} (active: #{data[:active]} days)"
	end
end

#output_log_commits_by_files(logopts = nil) ⇒ Object 



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# File 'lib/git_helpers/extra_helpers.rb', line 64

def output_log_commits_by_files(logopts=nil)
	log_commits_by_files(logopts).sort {|f1, f2| -f1[1] <=> -f2[1]}.each do |file, count|
		puts "- #{file}: #{count}"
	end
end

#output_removed_files(logopts = nil) ⇒ Object 



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# File 'lib/git_helpers/extra_helpers.rb', line 24

def output_removed_files(logopts=nil)
	r=removed_files(logopts)
	r.each do |file, data|
		puts "#{data[:date]} #{data[:commit]}^:#{file}"
	end
end

#output_trails(*args, **opts) ⇒ Object

only output trails present in the log options passed



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# File 'lib/git_helpers/extra_helpers.rb', line 133

def output_trails(*args, **opts)
	with_dir do
		commit=`git rev-parse --revs-only --default HEAD #{args.shelljoin}`.chomp
		merges=trails(commit, **opts)
		%x/git -c color.ui=always log --date=short --format="%C(auto,green)%cd %C(auto)%h%C(reset) %H" #{args.shelljoin}/.each_line do |l|
			date, short_hash, hash=l.split
			if merges.key?(hash)
				nr=merges[hash].map do |tip|
					`git name-rev --name-only --refs=#{tip.shellescape} #{hash}`.chomp
				end
				puts "#{date}: #{short_hash} – #{nr.join(', ')}"
			end
		end
	end
end

#removed_files(logopts = nil) ⇒ Object

Inspired by http://chneukirchen.org/dotfiles/bin/git-attic



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# File 'lib/git_helpers/extra_helpers.rb', line 8

def removed_files(logopts=nil)
	removed={}
	commit=nil; date=nil
	run_simple(%Q/git log #{DefaultLogOptions} --raw --date=short --format="%h %cd" #{logopts}/, chomp: :lines).each do |l|
		l.chomp!
		case l
		when /^[0-9a-f]/
			commit, date=l.split(' ',2)
		when /^:/
			_old_mode, _new_mode, _old_hash, _new_hash, state, filename=l.split(' ',6)
			#keep earliest removal
			removed[filename]||={date: date, commit: commit} if state=="D"
		end
	end
	removed
end

#trails(commit, remotes: true, tags: true) ⇒ Object

inspired by git-trail from https://github.com/cypher/dotfiles merges: key=branch point hash, values=tips names



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# File 'lib/git_helpers/extra_helpers.rb', line 100

def trails(commit, remotes: true, tags: true)
	merges={}
	with_dir do
		%x/git for-each-ref/.each_line do |l|
			hash, type, name=l.split
			next if type=="tags" and !tags
			next if type=="commit" && !name.start_with?("refs/heads/") and !remotes
			mb=`git merge-base #{commit.shellescape} #{hash}`.chomp
			mb=:disjoint if mb.empty?
			merges[mb]||=[]
			merges[mb] << name
		end
	end
	merges
end