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# File 'lib/ggsm/util/submodule.rb', line 83
def get_submodule_commit
sub_tree = 'git ls-tree HEAD | grep "160000"'
sub_commits = `#{sub_tree}`
if sub_commits.strip == '' && (File.directory? 'submodules')
Dir.chdir 'submodules'
sub_commits = `#{sub_tree}`
Dir.chdir '..'
end
pattern = /(?<=\s)[0-9a-zA-Z]{40}(?=\s)/
sub_commits = sub_commits.split(/\n/)
result = []
sub_commits.each do |sub|
match = pattern.match(sub.strip)
result.push(match[0][0...7])
end
result
end
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