Properly compare diff refs and diff positions when shas are truncated
This commit is contained in:
parent
c19d5ac1a2
commit
b9857d8b66
|
@ -26,7 +26,8 @@ class Commit
|
|||
DIFF_HARD_LIMIT_LINES = 50000
|
||||
|
||||
# The SHA can be between 7 and 40 hex characters.
|
||||
COMMIT_SHA_PATTERN = '\h{7,40}'.freeze
|
||||
MIN_SHA_LENGTH = 7
|
||||
COMMIT_SHA_PATTERN = /\h{#{MIN_SHA_LENGTH},40}/.freeze
|
||||
|
||||
def banzai_render_context(field)
|
||||
context = { pipeline: :single_line, project: self.project }
|
||||
|
@ -53,7 +54,7 @@ class Commit
|
|||
|
||||
# Truncate sha to 8 characters
|
||||
def truncate_sha(sha)
|
||||
sha[0..7]
|
||||
sha[0..MIN_SHA_LENGTH]
|
||||
end
|
||||
|
||||
def max_diff_options
|
||||
|
@ -100,7 +101,7 @@ class Commit
|
|||
def self.reference_pattern
|
||||
@reference_pattern ||= %r{
|
||||
(?:#{Project.reference_pattern}#{reference_prefix})?
|
||||
(?<commit>\h{7,40})
|
||||
(?<commit>#{COMMIT_SHA_PATTERN})
|
||||
}x
|
||||
end
|
||||
|
||||
|
@ -216,9 +217,9 @@ class Commit
|
|||
@raw.respond_to?(method, include_private) || super
|
||||
end
|
||||
|
||||
# Truncate sha to 8 characters
|
||||
# Truncate sha to 7 characters
|
||||
def short_id
|
||||
@raw.short_id(7)
|
||||
@raw.short_id(MIN_SHA_LENGTH)
|
||||
end
|
||||
|
||||
def diff_refs
|
||||
|
|
|
@ -13,9 +13,9 @@ module Gitlab
|
|||
|
||||
def ==(other)
|
||||
other.is_a?(self.class) &&
|
||||
base_sha == other.base_sha &&
|
||||
start_sha == other.start_sha &&
|
||||
head_sha == other.head_sha
|
||||
shas_equal?(base_sha, other.base_sha) &&
|
||||
shas_equal?(start_sha, other.start_sha) &&
|
||||
shas_equal?(head_sha, other.head_sha)
|
||||
end
|
||||
|
||||
alias_method :eql?, :==
|
||||
|
@ -47,6 +47,22 @@ module Gitlab
|
|||
CompareService.new(project, head_sha).execute(project, start_sha, straight: straight)
|
||||
end
|
||||
end
|
||||
|
||||
private
|
||||
|
||||
def shas_equal?(sha1, sha2)
|
||||
return true if sha1 == sha2
|
||||
return false if sha1.nil? || sha2.nil?
|
||||
return false unless sha1.class == sha2.class
|
||||
|
||||
length = [sha1.length, sha2.length].min
|
||||
|
||||
# If either of the shas is below 7 characters in length, we cannot be sure
|
||||
# if they actually refer to the same commit because of hash collision.
|
||||
return false if length < Commit::MIN_SHA_LENGTH
|
||||
|
||||
sha1[0, length] == sha2[0, length]
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
|
@ -49,12 +49,13 @@ module Gitlab
|
|||
coder['attributes'] = self.to_h
|
||||
end
|
||||
|
||||
def key
|
||||
@key ||= [base_sha, start_sha, head_sha, Digest::SHA1.hexdigest(old_path || ""), Digest::SHA1.hexdigest(new_path || ""), old_line, new_line]
|
||||
end
|
||||
|
||||
def ==(other)
|
||||
other.is_a?(self.class) && key == other.key
|
||||
other.is_a?(self.class) &&
|
||||
other.diff_refs == diff_refs &&
|
||||
other.old_path == old_path &&
|
||||
other.new_path == new_path &&
|
||||
other.old_line == old_line &&
|
||||
other.new_line == new_line
|
||||
end
|
||||
|
||||
def to_h
|
||||
|
|
Loading…
Reference in New Issue