GTALUG Short Talk On Mercurial
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The document discusses revision control and the Mercurial revision control system. It provides an overview of revision control, describes how to install and use basic Mercurial commands like init, add, commit, status, log, diff, tag, push, pull, and serve. It also discusses configuring external diff tools and the .hgignore file.
![$ $EDITOR ~/.hgrc
[ui]
username = Myles Braithwaite <me@myles.tk>](https://image.slidesharecdn.com/gtalugshorttalkonmercurial-091209092025-phpapp02/85/GTALUG-Short-Talk-On-Mercurial-27-320.jpg)
![$ # To enable external diff's extension.
$ $EDITOR .hg/hgrc
[extensions]
extdiff =](https://image.slidesharecdn.com/gtalugshorttalkonmercurial-091209092025-phpapp02/85/GTALUG-Short-Talk-On-Mercurial-40-320.jpg)
GTALUG Short Talk On Mercurial
- 1. What is Revision Control
- 2. ? Allows multiple people to collaborate on a ?le.
- 4. $ rc add 2009-12-11.txt $ rc commit -m 'Added the Grocery List for Friday 11 Dec, 2009.'
- 5. $ rc log reversion: 1 author: Myles Braithwaite summary: Added the Grocery List for Friday 11 Dec, 2009.
- 6. Apple Oranges Cherries Milk Chinese White Pear Apple Pear Chinese Noodles Pomegranate Strawberries Bananas
- 7. $ rc status Modified: 2009-12-11.txt $ rc commit -m "It's called a Chinese White Pear not a Apple Pear Chinese Fruit"
- 8. $ rc diff -r 1 diff -r 1 2009-12-11.txt --- a/2009-12-11.txt Thu Dec 03 15:45:38 +++ b/2009-12-11.txt Thu Dec 03 15:51:39 @@ -2,7 +2,7 @@ Oranges Cherries Milk -Apple Pear Chinese Fruit +Chinese White Pear Noodles Pomegranate Strawberries
- 9. $ rc log reversion: 1 author: Myles Braithwaite summary: Added the Grocery List for Friday 11 Dec, 2009. reversion: 2 author: Other Person summary: It's called a Chinese White Pear not a Apple Pear Chinese Fruit
- 10. ? Attempt to merge changes between two commits.
- 12. $ rc commit -m 'Added tea to the list'
- 13. Apple @done Oranges @done Cherries @done Milk Chinese White Pear Noodles Pomegranate Strawberries Bananas
- 14. $ rc commit -m 'Went to the Grocery store and picked up Apples, Oranges, and Cherries.' The Repository is Out of Sync. Please merge the new changes.
- 15. $ rc merge Merge was successful. $ rc commit -m 'Merging changes'
- 16. Strawberries Bananas <<< HEAD Tea (Chai) >>>> <<<< 6 Tea (Green) >>>>
- 18. History ? Matt Machall ? Originally developed for the Linux Kernel. ? For some reason Torvalds¡¯ picked Git?
- 19. Quick Facts ? Implemented in the awesome Python programming language. ? But includes a binary diff written in C.
- 20. ? Originally written to run on Linux. ? But it has been successfully ported to run natively on Mac OS X, Windows, and other Unix-like systems.
- 21. ? Python (http://hg.python.org) ? Mozilla (http://hg.mozilla.org) ? OpenSolaris ? OpenJDK (http://hg.openjdk.java.net) ? OpenOf?ce.org ? More here: http://j.mp/ProjectUsingHg
- 22. Installation (Linux) # Debian or Ubuntu $ aptitude install mercurial # Fedora $ yum install mercurial # Gentoo $ emerge mercurial # OpenSolaris $ pkg install SUNWmercurial
- 23. Installation (Windows) ? Download and install the of?cial exe. ? Download TortoiseHg (http://tortoisehg.org) ? Integrates Mercurial directly into explorer.
- 24. Installation (Mac OS X) ? Install the DMG ?le.
- 25. Installation (PyPi) $ easy_install mercurial $ pip install mercurial
- 26. Installation from Source $ wget http://mercurial.selenic.com/ release/mercurial-1.4.1.tar.gz $ tar -xzf mercurial-1.4.1.tar.gz $ cd mercurial-1.4.1 $ python setup.py build $ sudo python setup.py install $ hg --version Mercurial Distributed SCM (version 1.4.1)
- 27. $ $EDITOR ~/.hgrc [ui] username = Myles Braithwaite <me@myles.tk>
- 28. $ export P_DIR=~/GroceryList $ $ # Create an empty repository on your $ # local machine. $ mkdir $P_DIR; cd $P_DIR $ hg init $ $ # Clone a remote repository. $ hg clone ssh://hg.mb/grocery_list $P_DIR destination directory: /home/m/GroveryList ... 3 files updated, 0 files merged, 0 files removed, 0 files unresolved
- 29. $ echo 'Apple' > cat 2009-12-08.txt $ hg status ? 2009-12-08.txt $ hg add 2009-12-08.txt $ hg status A 2009-12-08.txt $ hg commit -m 'Added the grocery list for 9th Dec. 2009.'
- 30. $ hg status M 2009-12-08.txt $ hg diff diff -r 012549b5c017 2009-12-08.txt --- a/2009-12-08.txt 19:42:25 +++ b/2009-12-08.txt 19:44:46 @@ -1,1 +1,2 @@ Apples +Pizza $ hg commit -m 'I am hungry for some Pizza.'
- 31. $ hg log -l 2 changeset: 14:848072d17be0 tag: tip user: Myles Braithwaite date: 19:49:10 summary: I am hungry for some Pizza changeset: 13:012549b5c017 user: Myles Braithwaite date: 19:42:25 summary: Added the grocery list for 9th Dec. 2009.
- 32. $ hg annotate 2009-12-08.txt 13: Apples 14: Pizza 15: Nuts 16: Hot Chocolate Mix
- 33. $ hg tags tip 16:54c53457b1ac 2009-12-04 9:d1361977c248 $ hg tag 2009-12-08 $ hg tags tip 17:21598a08291c 2009-12-08 16:54c53457b1ac 2009-12-04 9:d1361977c248
- 34. $ cat .hgtags d1361977c2... 2009-12-04 54c53457b1... 2009-12-08
- 35. # If we cloned the repository. $ hg push $ hg push ssh://hg.mb/grocery_list
- 36. $ hg pull ssh://hg.mb/grocery_list pulling from ssh://hg.mb/grocery_list searching for changes ... (run 'hg update' to get a working copy) $ hg update 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
- 37. $ hg log -l 2 changeset: 20:6dfef8e8a348 tag: tip user: Other Person summary: Remove some things fromthe list that were already entered on Friday' list. changeset: 19:1564f5195566 date: 16:30:18 summary: Added a shopping list for Sat. 12 Dec. 2009
- 38. $ hg diff -r 19 diff -r 1564f5195566 2009-12-12.odt Binary file 2009-12-12.odt has changed
- 39. $ # Using an extension we can call an $ # external program to run the diff. $ hg extdiff -p oodiff -r 19 --- GroceryList.1565f5195566/2009-12-12.odt +++ GroveryList/2009-12-12.odt @@ -1,12 +1,4 @@ - Oranges - - Apples - - Bananas - - Cereal - Cherios Beer
- 40. $ # To enable external diff's extension. $ $EDITOR .hg/hgrc [extensions] extdiff =
- 41. $ hg serve -n "Shopping List"
- 44. .hgignore # use global syntax. syntax: glob *.pyc *.pyo *~ # switch to regular expressions syntax. syntax: regexp ^.pc/
- 45. Find out more... ? http://mercurial.selenic.com
- 46. Other cool stuff... ? Google Code (http://code.google.com/p) ? Bitbucket (http://bitbucket.org)