5 These notes are meant to help you in the process of making and submitting
6 patches to the git repository of wmaker-crm.
8 It assumes you have 'git' correctly installed and you have set the most
9 basic configuration options via 'git config'. See the end of this file
10 for an example .gitconfig.
12 To clone the wmaker-crm repository you can do:
14 git clone git://repo.or.cz/wmaker-crm.git
16 You should note that the development occur in the #next branch, and
17 patches are backported to #master when considered ok. So, you probably
18 want to switch to #next branch, if not already done:
26 If you want to raise the quality of your contribution, you are strongly
27 encouraged to use at least this configure option:
29 ./configure --enable-debug
31 This does not only enable debugging information, which you may need when
32 testing your work, it also enables a number of extra compiler warning
33 which help keeping safer code.
35 You will probably want also to run this in the end, because it does some
36 checks on the source tree:
40 __________________________
41 Producing a patch with git
42 --------------------------
44 You have the wmaker source and you want to write a patch in order to fix
45 a bug or improve something. A possible work-flow is the following:
47 # Optional: Create a new branch (to be safe in case you screw up)
48 git checkout -b fixbug
50 Now you fix the bug...
52 # Check what you did, review etc
55 # if it looks good, commit your changes
58 Git will open the editor set in your .gitconfig and you'll have to write a
59 commit message. Writing a good message is as important as the source code
60 modifications you've just made! See "Writing the commit log" for advice.
62 # Prepare the patch to submit to the mailing-list.
63 # (use HEAD~2 if you want patches for the last 2 commits etc)
64 git format-patch HEAD~1
66 # If you have created your own branch, and want all your commits created
67 # after the #next branch, you can use:
71 In order to ensure consistency in the code, there's an extra step to
72 check the patchs. You should run this script (inherited from the Linux
73 kernel) on the patch files generated and fix your commits for what it
78 ______________________
79 Writing the commit log
80 ----------------------
82 You had a motivation to write your patch, you studied the sources and you
83 found a way to do what you wanted to do. This whole process takes time and
84 other people will not want to invest that time to rediscover what you've
87 So the main reason for the commit message is to explain to other people what
88 you did, _why_ and _how_. And you must assume that the person you must explain
89 these things to will not be as familiar with the code you just modified as you
90 are right after writing the patch -- and that includes yourself in a year or
91 so. Be verbose in all the steps below.
93 The good commit log will start with the reason for writing the patch.
95 For example, if you use wmaker in some way and you expect that X happens but
96 you get Y, you should say that very clearly. Sometimes that's enough for other
97 more experienced people to know how to solve your issue. They will be able to
98 judge your patch better if they know what you wanted to do -- sometimes there
99 can be a better way to fix it.
101 Then you should explain why the wmaker source leads to Y and not to X.
103 Technical stuff can be expected at this point, e.g. "upon doing xyz in function
104 foobar(), wmaker sets the variable foo to 'y' instead of setting it to 'x', and
105 that will lead to blabla happening in function foobar_squared()...".
107 And finally you explain how you fixed it.
109 "You have to set foo to 'x', because then when the function foobar_squared() is
110 called it will do X instead of Y because..."
112 At this point other people will have a clear understanding of what you did with
113 minimal effort. And that leads to better patch reviews.
115 Furthermore, the above reasons should also tell you that you must not do
116 more than one thing in the same patch. Again:
118 "Each patch must do one thing and one thing only."
120 If your patch does too much of unrelated stuff, it makes reviewing a nightmare
121 and long-term maintenance much worse (think about a patch which introduces a
122 regression in the middle of many other nice improvements, and now you have to
123 get rid of the regression without removing the improvements -- 'git revert'
124 will not help you here).
126 If you find yourself having troubles to write what you did in the commit
127 message, perhaps you did too much. In this case you should split your patch
128 into smaller unrelated pieces and produce a patch series. Unfortunately it's
129 more work for you, but it's much better for wmaker.
131 _____________________________________
132 Sending the patch to the mailing list
133 -------------------------------------
135 Send your patches to:
137 wmaker-dev@googlegroups.com
139 Please do not send patches to any individual developer unless you have a very
140 good reason to avoid more people being able to comment (and improve) on your
143 The HIGHLY RECOMMENDED way to send a patch is to actually let Git do it for
144 you, otherwise you may face the problems below. Doing this is really easy:
146 # Tell git once how to send mails:
147 # (of course, replace smtp.example.com with your ISP's)
148 git config --global sendemail.smtpserver "smtp.example.com"
149 git config --global sendemail.validate true
150 git config sendemail.to "Window Maker Devel <wmaker-dev@googlegroups.com>"
152 # If you're sending more than 1 patch, you may be interested in having an
153 # introduction mail for the batch:
154 git format-patch --cover-letter next
155 vi/emacs/nedit/whatever 0000-cover-letter.patch
157 # When you're satisfied, ask Git to mail all the patches:
161 If you do not want or cannot let Git send them for you, please note that
162 sending the patch _properly_ is not as trivial as you may think. Some mail
163 clients convert TABs to spaces or word wrap long lines automatically, which
164 will result in your patch being rejected as it will not apply with 'git apply'.
166 You could send the patch as an attachement to the mail, but this generally
167 makes it a bit harder to review, and a lot harder to comment on; that's why
168 the preferred method is inlined patches (like Git does).
170 Ideally your patch should contain a very good commit message that explains
171 why you wrote the patch in the first place (see "Writing the commit log").
172 In this case you can simply send the file(s) created in the 'git format-patch'
173 step above as the sole content of your email to the mailing list. All your
174 reasons and explanations will be in the commit log, and your email will look
177 **********************************
178 From: someone@someplace
179 Subject: [PATCH] Fix something
185 **********************************
187 Read the file email-clients.txt in the topdir of the wmaker-crm repository
188 to be advised on how to tweak your email client to avoid common pitfalls.
195 name = Erwin Schrodinger
196 email = schrodinger@gmail.com
200 showUntrackedFiles = no