$ git cat-file commit ca82a6
tree cfda3bf379e4f8dba8717dee55aab78aef7f4daf
parent 085bb3bcb608e1e8451d4b2432f8ecbe6306e7e7
author Scott Chacon <schacon@gmail.com> 1205815931 -0700
committer Scott Chacon <schacon@gmail.com> 1240030591 -0700
changed the version number
通過 SHA-1 值獲得提交內容中的提交資訊的一個簡單辦法是找到提交的第一個空白行，然後取出它之後的所有內容。可以使用 Unix 系統的 sed 命令來實現這個效果：
$ git cat-file commit ca82a6 | sed '1,/^$/d'
changed the version number
$regex = /\[ref: (\d+)\]/
# enforced custom commit message format
def check_message_format
missed_revs = `git rev-list #{$oldrev}..#{$newrev}`.split("\n")
missed_revs.each do |rev|
message = `git cat-file commit #{rev} | sed '1,/^$/d'`
if !$regex.match(message)
puts "[POLICY] Your message is not formatted correctly"
exit 1
end
end
end
check_message_format
def get_acl_access_data(acl_file)
# read in ACL data
acl_file = File.read(acl_file).split("\n").reject { |line| line == '' }
access = {}
acl_file.each do |line|
avail, users, path = line.split('|')
next unless avail == 'avail'
users.split(',').each do |user|
access[user] ||= []
access[user] << path
end
end
access
end
# only allows certain users to modify certain subdirectories in a project
def check_directory_perms
access = get_acl_access_data('acl')
# see if anyone is trying to push something they can't
new_commits = `git rev-list #{$oldrev}..#{$newrev}`.split("\n")
new_commits.each do |rev|
files_modified = `git log -1 --name-only --pretty=format:'' #{rev}`.split("\n")
files_modified.each do |path|
next if path.size == 0
has_file_access = false
access[$user].each do |access_path|
if !access_path || # user has access to everything
(path.index(access_path) == 0) # access to this path
has_file_access = true
end
end
if !has_file_access
puts "[POLICY] You do not have access to push to #{path}"
exit 1
end
end
end
end
check_directory_perms
#!/usr/bin/env ruby
message_file = ARGV[0]
message = File.read(message_file)
$regex = /\[ref: (\d+)\]/
if !$regex.match(message)
puts "[POLICY] Your message is not formatted correctly"
exit 1
end
#!/usr/bin/env ruby
$user = ENV['USER']
# [ insert acl_access_data method from above ]
# only allows certain users to modify certain subdirectories in a project
def check_directory_perms
access = get_acl_access_data('.git/acl')
files_modified = `git diff-index --cached --name-only HEAD`.split("\n")
files_modified.each do |path|
next if path.size == 0
has_file_access = false
access[$user].each do |access_path|
if !access_path || (path.index(access_path) == 0)
has_file_access = true
end
if !has_file_access
puts "[POLICY] You do not have access to push to #{path}"
exit 1
end
end
end
check_directory_perms