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module CommitsHelper
# Returns a link to the commit author. If the author has a matching user and
# is a member of the current @project it will link to the team member page.
# Otherwise it will link to the author email as specified in the commit.
#
# options:
# avatar: true will prepend the avatar image
# size: size of the avatar image in px
def commit_author_link(commit, options = {})
commit_person_link(commit, options.merge(source: :author))
end
# Just like #author_link but for the committer.
def commit_committer_link(commit, options = {})
commit_person_link(commit, options.merge(source: :committer))
end
def each_diff_line(diff, index)
Gitlab::DiffParser.new(diff.diff.lines.to_a, diff.new_path)
.each do |full_line, type, line_code, line_new, line_old|
yield(full_line, type, line_code, line_new, line_old)
end
end
def each_diff_line_near(diff, index, expected_line_code)
max_number_of_lines = 16
prev_match_line = nil
prev_lines = []
each_diff_line(diff, index) do |full_line, type, line_code, line_new, line_old|
line = [full_line, type, line_code, line_new, line_old]
if line_code != expected_line_code
if type == "match"
prev_lines.clear
prev_match_line = line
else
prev_lines.push(line)
prev_lines.shift if prev_lines.length >= max_number_of_lines
end
else
yield(prev_match_line) if !prev_match_line.nil?
prev_lines.each { |ln| yield(ln) }
yield(line)
break
end
end
end
def image_diff_class(diff)
if diff.deleted_file
"deleted"
elsif diff.new_file
"added"
else
nil
end
end
def commit_to_html(commit, project, inline = true)
template = inline ? "inline_commit" : "commit"
escape_javascript(render "projects/commits/#{template}", commit: commit, project: project) unless commit.nil?
end
def diff_line_content(line)
if line.blank?
" "
else
line
end
end
# Breadcrumb links for a Project and, if applicable, a tree path
def commits_breadcrumbs
return unless @project && @ref
# Add the root project link and the arrow icon
crumbs = content_tag(:li) do
link_to(@project.path, project_commits_path(@project, @ref))
end
if @path
parts = @path.split('/')
parts.each_with_index do |part, i|
crumbs += content_tag(:li) do
# The text is just the individual part, but the link needs all the parts before it
link_to part, project_commits_path(@project, tree_join(@ref, parts[0..i].join('/')))
end
end
end
crumbs.html_safe
end
# Return Project default branch, if it present in array
# Else - first branch in array (mb last actual branch)
def commit_default_branch(project, branches)
branches.include?(project.default_branch) ? branches.delete(project.default_branch) : branches.pop
end
# Returns the sorted alphabetically links to branches, separated by a comma
def commit_branches_links(project, branches)
branches.sort.map { |branch| link_to(branch, project_tree_path(project, branch)) }.join(", ").html_safe
end
def parallel_diff_lines(project, commit, diff, file)
old_file = project.repository.blob_at(commit.parent_id, diff.old_path) if commit.parent_id
deleted_lines = {}
added_lines = {}
each_diff_line(diff, 0) do |line, type, line_code, line_new, line_old|
if type == "old"
deleted_lines[line_old] = { line_code: line_code, type: type, line: line }
elsif type == "new"
added_lines[line_new] = { line_code: line_code, type: type, line: line }
end
end
max_length = old_file ? [old_file.loc, file.loc].max : file.loc
offset1 = 0
offset2 = 0
old_lines = []
new_lines = []
max_length.times do |line_index|
line_index1 = line_index - offset1
line_index2 = line_index - offset2
deleted_line = deleted_lines[line_index1 + 1]
added_line = added_lines[line_index2 + 1]
old_line = old_file.lines[line_index1] if old_file
new_line = file.lines[line_index2]
if deleted_line && added_line
elsif deleted_line
new_line = nil
offset2 += 1
elsif added_line
old_line = nil
offset1 += 1
end
old_lines[line_index] = DiffLine.new
new_lines[line_index] = DiffLine.new
# old
if line_index == 0 && diff.new_file
old_lines[line_index].type = :file_created
old_lines[line_index].content = 'File was created'
elsif deleted_line
old_lines[line_index].type = :deleted
old_lines[line_index].content = old_line
old_lines[line_index].num = line_index1 + 1
old_lines[line_index].code = deleted_line[:line_code]
elsif old_line
old_lines[line_index].type = :no_change
old_lines[line_index].content = old_line
old_lines[line_index].num = line_index1 + 1
else
old_lines[line_index].type = :added
end
# new
if line_index == 0 && diff.deleted_file
new_lines[line_index].type = :file_deleted
new_lines[line_index].content = "File was deleted"
elsif added_line
new_lines[line_index].type = :added
new_lines[line_index].num = line_index2 + 1
new_lines[line_index].content = new_line
new_lines[line_index].code = added_line[:line_code]
elsif new_line
new_lines[line_index].type = :no_change
new_lines[line_index].num = line_index2 + 1
new_lines[line_index].content = new_line
else
new_lines[line_index].type = :deleted
end
end
return old_lines, new_lines
end
protected
# Private: Returns a link to a person. If the person has a matching user and
# is a member of the current @project it will link to the team member page.
# Otherwise it will link to the person email as specified in the commit.
#
# options:
# source: one of :author or :committer
# avatar: true will prepend the avatar image
# size: size of the avatar image in px
def commit_person_link(commit, options = {})
source_name = commit.send "#{options[:source]}_name".to_sym
source_email = commit.send "#{options[:source]}_email".to_sym
user = User.find_for_commit(source_email, source_name)
person_name = user.nil? ? source_name : user.name
person_email = user.nil? ? source_email : user.email
text = if options[:avatar]
avatar = image_tag(avatar_icon(person_email, options[:size]), class: "avatar #{"s#{options[:size]}" if options[:size]}", width: options[:size], alt: "")
%Q{#{avatar} <span class="commit-#{options[:source]}-name">#{person_name}</span>}
else
person_name
end
options = {
class: "commit-#{options[:source]}-link has_tooltip",
data: { :'original-title' => sanitize(source_email) }
}
if user.nil?
mail_to(source_email, text.html_safe, options)
else
link_to(text.html_safe, user_path(user), options)
end
end
def diff_file_mode_changed?(diff)
diff.a_mode && diff.b_mode && diff.a_mode != diff.b_mode
end
end
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