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function git(varargin)
% GIT - use GIT from matlab, using standard GIT commands
% Examples:
% % initialize a repository
% >> git init;
% % add a file to the repository
% >> git add myFile.m % begin tracking my_function.m
% % commit changes to the repository
% >> git commit myFile.m -m 'initial checkin of myFile.m'
% % push to another repository
% >> git push origin master
% Commands that require additionall input (such as commits without -m flags)
% will generally fail unless the environment variable EDITOR is defined. However,
% a preferred text editor can be specified within Matlab using the global
% variable GIT_EDITOR (Pro-tip: include this code in your startup.m file)
% For Example:
% Declare the global variable
% >> global GIT_EDITOR;
% For linux:
% >> GIT_EDITOR = '/path/to/editor'; % provide the complete path
% For Mac OSX:
% >> GIT_EDITOR = 'TextEdit'; % Simply provide the application name
% The most up to date version of this code can be found at:
% Copyright(c) 2012, Stuart P. Layton <> MIT
% Revision History
% 2012/12/04 - Initial Release
% define EDIT_ARG based upon the OS and if GIT_EDITOR is set
global GIT_EDITOR;
if isempty(GIT_EDITOR)
EDIT_ARG = ' ';
if ismac
EDIT_ARG = ['export EDITOR="open -a ', GIT_EDITOR, '";'];
elseif isunix
EDIT_ARG = ['export EDITOR="', GIT_EDITOR, '";'];
%not yet supported
elseif ispc
error('Windows computers are not currently supported.');
GIT_BINARY = 'git';
args = convertToString(varargin{:});
% create the command to execute
% cat is included so that calls to diff don't get messed up in the command window
cmd = sprintf('%s %s %s | cat', EDIT_ARG, GIT_BINARY, args);
[~, result] = system(cmd);
fprintf('%s', result);
% Parse result and determine what happend
% Check to see if git is installed
if strfind(result, 'command not found')
error('%s is not installed', GIT_BINARY);
%Check to see if an invalid editor was specified
elseif strfind(result, 'error: There was a problem with the editor')
warning('%s is not a valid editor\n', GIT_EDITOR);
%Check to see if a commit message was missing
elseif strfind(result, 'Please supply the message using either -m or -F option.')
%if GIT_EDITOR isn't defined, inform the user, otherwise do nothing as
%they probably left the message empty intentionally
if empty(GIT_EDITOR)
fprintf('\nConsider creating a global matlab variable named GIT_EDITOR\n')
fprintf('and pointing it to the binary of your preferred graphical text editor\n');
fprintf('For more information run: help git\n');
function argList = convertToString(varargin)
argList = cell2mat( cellfun( @(x)[ char(x), ' '] , varargin, 'UniformOutput', false ) );
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