Smacking Git Around Advanced Git Tricks

1. Smacking Git Around by Scott Chacon

3. Scott Chacon

5. github.com/schacon

6. “Scott Chacon has an understandable but borderline unhealthy obsession with Git” - Ilya Grigorik igvita.com

7. git-scm.com

10. book.git-scm.com

11. schacon@gmail.com

12. </me>

13. previously, on Git...

14. GIT

15. Git

17. image by matthew mccullough

18. Scott Chacon Scott Scott Chacon is a Git v1 v2 v3

20. 98ca9.. 34ac2.. f30ab.. commit commit commit size size size tree tree tree 0de24 184ca 92ec2 author parent parent Scott 98ca9 34ac2 committer author author Scott Scott Scott committer committer initial commit of my project Scott Scott fixed bug #1328 - stack add feature #32 - ability to overflow under certain add new formats to the central snapshot A snapshot B snapshot C

21. 98ca9.. e8455.. commit size blob size 0de24.. 0de24.. tree 0de24 == LICENSE: tree size parent nil (The MIT License) author Scott blob e8455 README Copyright (c) 2007 Tom Preston- committer Scott tree 10af9 lib Permission is hereby granted, f my commit message goes here ree of charge, to any person ob and it is really, really cool bc52a.. 10af9.. blob size tree size require 'grit/index' blob bc52a mylib.rb require 'grit/status' tree b70f8 inc module Grit class << self attr_accessor :debug b70f8.. 0ad1a.. tree size size blob blob 0ad1a tricks.rb require 'grit/git-ruby/reposi require 'grit/git-ruby/file_i module Grit module Tricks

22. 98ca9.. e8455.. commit size blob size 0de24.. 0de24.. tree 0de24 == LICENSE: tree size parent nil (The MIT License) author Scott blob e8455 README Copyright (c) 2007 Tom Preston- committer Scott tree 10af9 lib Permission is hereby granted, f my commit message goes here ree of charge, to any person ob and it is really, really cool bc52a.. 10af9.. blob size tree size require 'grit/index' blob bc52a mylib.rb require 'grit/status' tree b70f8 inc module Grit class << self attr_accessor :debug b70f8.. 0ad1a.. tree size size blob blob 0ad1a tricks.rb require 'grit/git-ruby/reposi require 'grit/git-ruby/file_i module Grit module Tricks

23. 0de24.. 22d8858e8513666bf91b82bd2939ec7b0d1974da

25. stable master 98ca9 34ac2 f30ab a23fe 3acd1 topic

29. $ time git checkout -b newbranch Switched to a new branch quot;newbranchquot; real 0m0.040s user 0m0.003s sys 0m0.008s

30. $ time git checkout -b newbranch Switched to a new branch quot;newbranchquot; real 0m0.040s user 0m0.003s sys 0m0.008s

32. master develop topic

34. distributed development image by matthew mccullough

35. ccf03da00eca1b60a489354c1278c27f1fbc55dc a640106f173c5be59ed5757cf33f568b3e10994f c51a137df64b8ed2f8d84ad62df7b49b1c409906 7e06f7f8d471d5ccbe958fcfaef0fc48ff1a3def dafe95908f7b9cbd2697f04544b68904a6c59aac 2934b685f5dfd2b12c5d7d35d07c6058640f0581 d3b47a90ef9bf2d7bbc5a7cf2b2f27eef4a08f04 dbfeee0f5717d9978788da17cd6853316c92744a 864734938d4044fc5e713e4818f60ecb4f460525 3793a0108438a539f958236dbb9f4ea98b6b70ea 00a60fa1439f082128c1ec03ec3c73acab074d31 6ba82b4879f04de35ffe2ef02d50df0adf184fad 861020b6afeeec245afa2f864c72f5c2588295be 505f3128a573bfe1d23aec2acef83c34c3cbd8be 213e6f8761df038ab0b7c34a9fc4c2c3ce6c8b43 798a8088bcc7cf47fdb33a9d79e398220b660f88

39. fast

40. efﬁcient

42. 100k repos

43. 80k users

45. </git-recap>

46. Git Tips and Tricks

47. Tips and Tricks Selection and Ranges Data Munging Debugging Customizing

48. Selection and Ranges

49. Revision Selection

50. Revision Selection alternate ways to refer to objects or ranges of objects

51. Revision Selection full sha-1 partial sha-1 branch or tag name caret parent tilde spec blob spec relative specs ranges

52. Full SHA1 6e453f523fa1da50ecb04431101112b3611c6a4d

53. Partial SHA1 6e453f523fa1da50ecb04431101112b3611c6a4d 6e453f523fa1da50 6e453

54. Branch, Remote or Tag Name v1.0 default m/cupcake

55. Caret Parent default^2 2nd parent of ‘default’

56. b3be1 a09c6 df2fa c36ae 5ec47 ce0e4 2f45e 4eadf 2fbb3 18cae jess/master master

57. master^ b3be1 a09c6 df2fa c36ae 5ec47 ce0e4 2f45e 4eadf 2fbb3 18cae jess/master master

58. master^2 b3be1 a09c6 df2fa c36ae 5ec47 ce0e4 2f45e 4eadf 2fbb3 18cae jess/master master

59. Tilde Spec default~2 grandparent of ‘default’ (parent of the parent)

60. master~2 b3be1 a09c6 df2fa c36ae 5ec47 ce0e4 2f45e 4eadf 2fbb3 18cae jess/master master

61. master^^^2 master~2^2 b3be1 a09c6 df2fa c36ae 5ec47 ce0e4 2f45e 4eadf 2fbb3 18cae jess/master master

64. Blob Spec default:path/to/file blob of that ﬁle in ‘default’ commit

65. Relative Specs master@{yesterday} the commit ‘master’ was at yesterday

66. Relative Specs master@{5} the 5th prior value of ‘master’ (locally)

67. Ranges

68. Ranges ce0e4..e4272 every commit reachable by e4272 that is not reachable by ce034

69. Ranges [old]..[new] every commit reachable by [new] that is not reachable by [old]

70. Ranges ce0e4.. everything since a commit

71. “Reachability”

72. jess/master..master b3be1 a09c6 df2fa c36ae 5ec47 ce0e4 2f45e 4eadf 2fbb3 18cae jess/master master

80. jess/master..c36ae b3be1 a09c6 df2fa c36ae 5ec47 ce0e4 2f45e 4eadf 2fbb3 18cae jess/master master

84. Advanced Log

85. Log Subsets

86. what am I going to push?

87. git log origin/master..

88. C1 origin/master master HEAD C0

89. C4 master HEAD C3 C2 C1 origin/master C0

90. C7 C4 origin/master master HEAD C6 C3 C5 C2 C1 git fetch origin C0

91. C7 C4 origin/master master HEAD C6 C3 C5 C2 C1 git log origin/master.. C0

92. C7 C4 origin/master master HEAD C6 C3 C5 C2 C1 git log origin/master..HEAD C0

96. commit 72d404debaa804fca82fd9cf710fbde48c7305c6 Author: Shawn O. Pearce <spearce@spearce.org> Date: Sun Oct 12 13:13:59 2008 -0700 test-lib: fix broken printf b8eecafd888d219633f4c29e8b6a90fc21a46dfd introduced usage of printf without a format string. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> commit 969c877506cf8cc760c7b251fef6c5b6850bfc19 Author: Jeff King <peff@peff.net> Date: Sun Oct 12 00:06:11 2008 -0400 git apply --directory broken for new files We carefully verify that the input to git-apply is sane, including cross-checking that the filenames we see in quot;+++quot; headers match what was provided on the command line of quot;diff --gitquot;. When --directory is used, however, we ended up comparing the unadorned name to one with the prepended root, causing us to complain about a mismatch. We simply need to prepend the root directory, if any, when pulling the name out of the git header. commit ff74126c03a8dfd04e7533573a5c420f2a7112ac Author: Johannes Schindelin <Johannes.Schindelin@gmx.de> Date: Fri Oct 10 13:42:12 2008 +0200 rebase -i: do not fail when there is no commit to cherry-pick

97. commit 72d404debaa804fca82fd9cf710fbde48c7305c6 C4 Author: Shawn O. Pearce <spearce@spearce.org> Date: Sun Oct 12 13:13:59 2008 -0700 test-lib: fix broken printf b8eecafd888d219633f4c29e8b6a90fc21a46dfd introduced usage of printf without a format string. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> commit 969c877506cf8cc760c7b251fef6c5b6850bfc19 C3 Author: Jeff King <peff@peff.net> Date: Sun Oct 12 00:06:11 2008 -0400 git apply --directory broken for new files We carefully verify that the input to git-apply is sane, including cross-checking that the filenames we see in quot;+++quot; headers match what was provided on the command line of quot;diff --gitquot;. When --directory is used, however, we ended up comparing the unadorned name to one with the prepended root, causing us to complain about a mismatch. We simply need to prepend the root directory, if any, when pulling the name out of the git header. commit ff74126c03a8dfd04e7533573a5c420f2a7112ac C2 Author: Johannes Schindelin <Johannes.Schindelin@gmx.de> Date: Fri Oct 10 13:42:12 2008 +0200 rebase -i: do not fail when there is no commit to cherry-pick

98. C7 C4 origin/master master HEAD C6 C3 C5 C2 C1 git log origin/master .. HEAD C0

99. C7 C4 origin/master master HEAD C6 C3 C5 C2 C1 git log HEAD .. origin/master C0

100. C7 C4 origin/master master HEAD C6 C3 C5 C2 C1 git log HEAD .. origin/master C0 “commits in origin/master not in HEAD”

101. git log origin/master.. git log origin/master..HEAD git log origin/master..master git log master ^origin/master git log master --not origin/master

102. git log HEAD ^origin/master

103. git log HEAD ^origin/master

104. git log master topic1 ^origin/master

105. origin/master C1 C0

106. master C3 origin/master C1 C0

107. experiment C10 C9 C8 master C3 origin/master C1 C0

108. experiment C10 master origin/master C9 C7 C5 C6 C4 C8 C2 C3 C1 C0

109. which changes aren’t in experiment?

110. git log origin/master master ^experiment experiment C10 master origin/master C9 C7 C5 C6 C4 C8 C2 C3 C1 C0

117. git log --graph

118. git log --pretty=oneline --graph

119. gitk

120. gitk 6d13f..41aba

121. Revision Diffs

122. git diff revA revB

123. $ echo ‘version one’ > test $ git add test $ git commit -m ‘C1’ master C1

124. $ git checkout -b topic $ echo ‘version two’ >> test $ git commit -m ‘C2’ topic C2 master C1

125. $ echo ‘version three’ >> test $ git commit -m ‘C3’ topic C3 C2 master C1

126. $ git checkout master $ echo ‘version four’ >> test $ git commit -m ‘C4’ topic C3 master C4 C2 C1

127. $ echo ‘version five’ >> test $ git commit -m ‘C5’ master topic C5 C3 C4 C2 C1

128. master topic $ git diff topic C5 C3 C4 C2 C1

129. master topic what does topic have $ git diff topic C5 C3 that I don’t have? C4 C2 C1

130. master topic what would happen if I $ git diff topic C5 C3 merged in topic? C4 C2 C1

131. master topic how do I make topic $ git diff topic C5 C3 look like HEAD? C4 C2 C1

132. $ git diff topic diff --git a/test b/test master topic index 304313d..bd8c6c9 100644 --- a/test +++ b/test C5 C3 @@ -1,3 +1,3 @@ version one -version two -version three C4 C2 +version four +version five C1

133. $ git diff topic diff --git a/test b/test master topic index 304313d..bd8c6c9 100644 --- a/test +++ b/test C5 C3 @@ -1,3 +1,3 @@ version one -version two -version three C4 C2 +version four +version five C1

134. $ git diff HEAD topic diff --git a/test b/test master topic index bd8c6c9..304313d 100644 --- a/test +++ b/test C5 C3 @@ -1,3 +1,3 @@ version one -version four -version five C4 C2 +version two +version three C1

135. $ git diff HEAD topic diff --git a/test b/test master topic index bd8c6c9..304313d 100644 --- a/test +++ b/test C5 C3 @@ -1,3 +1,3 @@ version one -version four -version five C4 C2 +version two +version three C1

136. git diff HEAD topic

137. git diff HEAD...topic

138. git diff HEAD...topic

139. $ git diff HEAD topic master topic C5 C3 C4 C2 C1

140. $ git diff HEAD topic master topic C5 C3 C4 C2 C1

141. $ git diff HEAD...topic master topic C5 C3 C4 C2 C1

142. $ git diff HEAD...topic diff --git a/test b/test master topic index 9bc69cf..304313d 100644 --- a/test +++ b/test @@ -1 +1,3 @@ C5 C3 version one +version two +version three C4 C2 C1

143. $ git diff HEAD...topic diff --git a/test b/test master topic index 9bc69cf..304313d 100644 --- a/test what would happen if I +++ b/test @@ -1 +1,3 @@ C5 C3 merged in topic? version one +version two +version three C4 C2 C1

144. Data Munging

145. Rewriting History

146. Modifying the last commit

147. git commit --amend

148. Rebasing

149. master topic C5 C3 C4 C2 C1

150. topic C6 master C5 C3 C4 C2 C1 git merge master

151. master topic C5 C3 C4 C2 C1 git rebase master

155. master topic git diff c2 c3 > 2-3.patch C5 C3 C4 C2 C1 git rebase master

156. master topic git diff c2 c3 > 2-3.patch C5 C3 diff --git a/test b/test index 2eadcec..bd8c6c9 100644 --- a/test C4 C2 +++ b/test @@ -1,2 +1,3 @@ version one version four C1 +version five git rebase master

157. master topic C5 C3 C4 C2 C1 2-3.patch

158. master topic C5 C3 C4 C2 git diff c1 c2 > 1-2.patch C1 2-3.patch

159. master topic C5 C3 C4 C2 git diff c1 c2 > 1-2.patch 1-2.patch C1 2-3.patch

160. master topic C5 C3 C4 C2 1-2.patch C1 2-3.patch

161. git rebase master master topic C5 C3 C4 C2 1-2.patch C1 2-3.patch

162. git rebase master 1-2.patch master topic C5 C3 C4 C2 C1 2-3.patch

163. git rebase master topic master C2' C5 C3 C4 C2 C1 2-3.patch

164. git rebase master 2-3.patch topic master C2' C5 C3 C4 C2 C1

165. topic git rebase master C3' master C2' C5 C3 C4 C2 C1

166. topic C3' master C2' git rebase master C5 C3 C4 C2 C1

167. topic C3' master C2' git rebase master C5 C3 C4 C2 C1

168. topic C3' C2' git rebase master C5 master C4 C1

169. Fun with Rebasing

170. rebase --onto

171. Transplanting Topic Branches

172. master C1 C2

173. master C1 C2 C3 server

174. master C1 C2 C3 server C8 C9 client

175. master C1 C2 C3 C4 C10 server C8 C9 client

176. master C1 C2 C5 C6 C3 C4 C10 server C8 C9 client

177. move your ‘client’ branch work to your ‘master’ branch

180. master C1 C2 C5 C6 C3 C4 C10 server C8 C9 client git rebase master

184. master C1 C2 C5 C6 C3 C4 C10 server C8 C9 client git rebase server

188. master C1 C2 C5 C6 C3 C4 C10 server C8 C9 client git rebase --onto master server

192. master client master C1 C5 C6 C8' C9' C1 C2 C6 C8 C9 C3 C4 C10 C4 C10 server server C8 C9 C8 C9 client

193. master client C1 C2 C5 C6 C8' C9' C3 C4 C10 server C8 C9

194. master client C1 C2 C5 C6 C8' C9' C3 C4 C10 server C8 C9 git checkout server git rebase master

195. master client C1 C2 C5 C6 C8' C9' C3 C4 C10 server C8 C9 git checkout server git rebase client

196. master client C1 C2 C5 C6 C8' C9' C3 C4 C10 server C8 C9 git checkout server git rebase client

197. master client client C1 C2 C5 C6 C8' C9' C6 C3' C4' C10' C3 C4 C10 server C8 C9 git checkout server git rebase client

198. client client server master C3' C10' C1 C1 C2 C2 C5 C5 C6 C6 C8' C8' C9' C9' C3' C4' git checkout server git rebase client

199. client server master C1 C2 C5 C6 C8' C9' C3' C4' C10' git checkout server git rebase client

200. transplant some of a topic branch

201. master C0 C1 C2 C3 C4 C5 topic

202. master C0 C1 C2 C3 C4 C5 topic

203. master C0 C1 C2 C3 C4 C5 topic git branch newtopic C3

204. master C0 C1 C2 C3 C4 C5 newtopic topic git branch newtopic C3

205. master C0 C1 C2 C3 C4 C5 newtopic topic git branch newtopic C3 git rebase --onto master newtopic

206. master topic C4' C5' C0 C1 C2 C3 C4 C5 newtopic git branch newtopic C3 git rebase --onto master newtopic

207. Fixing a commit several back

208. git rebase -i git rebase --interactive

209. default C4 C3 C2 C1 C0

210. default C4 C3 C2 C1 C0

211. default C4 C3 default~2 C2 C1 C0

212. default C4 C3 default~2 C2 C1 C0

213. git rebase -i default~2^

216. pick 969c877 git apply --directory broken for new files pick b75271d git diff <tree>{3,}: do not reverse order of args pick 72d404d test-lib: fix broken printf # Rebase f285a2d..5c283eb onto f285a2d # # Commands: # p, pick = use commit # e, edit = use commit, but stop for amending # s, squash = use commit, but meld into previous commit # # If you remove a line here THAT COMMIT WILL BE LOST. # However, if you remove everything, the rebase will be aborted. # ~ ~ ~ ~ ~ quot;~/projects/git/.git/rebase-merge/git-rebase-todoquot; 14L, 472C

217. C2 pick 969c877 git apply --directory broken for new files pick b75271d git diff <tree>{3,}: do not reverse order of args C3 pick 72d404d test-lib: fix broken printf C4 # Rebase f285a2d..5c283eb onto f285a2d # # Commands: # p, pick = use commit # e, edit = use commit, but stop for amending # s, squash = use commit, but meld into previous commit # # If you remove a line here THAT COMMIT WILL BE LOST. # However, if you remove everything, the rebase will be aborted. # ~ ~ ~ ~ ~ quot;~/projects/git/.git/rebase-merge/git-rebase-todoquot; 14L, 472C

223. edit 969c877 git apply --directory broken for new files pick b75271d git diff <tree>{3,}: do not reverse order of args pick 72d404d test-lib: fix broken printf # Rebase f285a2d..5c283eb onto f285a2d # # Commands: # p, pick = use commit # e, edit = use commit, but stop for amending # s, squash = use commit, but meld into previous commit # # If you remove a line here THAT COMMIT WILL BE LOST. # However, if you remove everything, the rebase will be aborted. # ~ ~ ~ ~ ~ quot;~/projects/git/.git/rebase-merge/git-rebase-todoquot; 14L, 472C

224. $ git rebase -i default~2^ Stopped at 969c877... git apply --directory broken for new files You can amend the commit now, with git commit --amend Once you are satisfied with your changes, run git rebase --continue $_

225. $ git rebase -i default~2^ Stopped at 969c877... git apply --directory broken for new files You can amend the commit now, with git commit --amend Once you are satisfied with your changes, run git rebase --continue $_ edit ﬁles git add git commit --amend git rebase --continue

229. default C4 C4' C3 C3' C2 C2' C1 C0

232. Squashing commits together

234. pick 969c877 git apply --directory broken for new files squash b75271d git diff <tree>{3,}: do not reverse order of args squash 72d404d test-lib: fix broken printf # Rebase f285a2d..5c283eb onto f285a2d # # Commands: # p, pick = use commit # e, edit = use commit, but stop for amending # s, squash = use commit, but meld into previous commit # # If you remove a line here THAT COMMIT WILL BE LOST. # However, if you remove everything, the rebase will be aborted. # ~ ~ ~ ~ ~ quot;~/projects/git/.git/rebase-merge/git-rebase-todoquot; 14L, 472C

235. # This is a combination of 3 commits. # The first commit's message is: git apply --directory broken for new files # This is the 2nd commit message: git diff <tree>{3,}: do not reverse order of args # This is the 3rd commit message: test-lib: fix broken printf # Please enter the commit message for your changes. Lines starting # with '#' will be ignored, and an empty message aborts the commit. # # Author: Jeff King <peff@peff.net> # # Not currently on any branch. # Changes to be committed: # (use quot;git reset HEAD <file>...quot; to unstage) # # modified: builtin-apply.c # modified: builtin-diff.c # modified: t/t4013-diff-various.sh # new file: t/t4013/diff.diff_master_master^_side # modified: t/t4128-apply-root.sh # modified: t/test-lib.sh # ~ ~ quot;.git/COMMIT_EDITMSGquot; 39L, 1454C

239. C4 C3 default C2 C5 C1 C0

240. The Perils

241. scott jessica default C1 C0

242. scott jessica default C4 C3 C2 default scott/default C1 C1 C0 C0

243. scott jessica default scott/default default C7 C7 C4 C6 C6 C3 C5 C5 C2 C1 C1 C0 C0

244. scott jessica default C8 scott/default default C7 C7 C4 C6 C6 C3 C5 C5 C2 C1 C1 C0 C0

245. scott jessica default C8 scott/default default C7 C7 C7' C4 C6 C6 C6' C3 C5 C5 C5' C2 C1 C1 C0 C0

246. scott jessica default C8 scott/default default C7' C7 C7 C7' C4 C6' C6 C6 C6' C3 C5' C5 C5 C5' C2 C1 C1 C0 C0

247. scott jessica default C9 C8 scott/default default C7' C7 C7 C7' C4 C6' C6 C6 C6' C3 C5' C5 C5 C5' C2 C1 C1 C0 C0

248. Filter Branch History Revision on Steroids

249. remove all instances of a ﬁle from every commit

250. git filter-branch --tree-filter 'rm -f filename' HEAD

251. change your email in all commits

252. git filter-branch --env-filter quot;export GIT_AUTHOR_EMAIL=you@email.comquot; HEAD

253. git filter-branch --env-filter quot;export GIT_AUTHOR_EMAIL=you@email.comquot; origin/master..HEAD

254. Subtree Merging

255. Alternative to Submodules

256. $ ls README rack_app.rb $ git remote add rack_remote git@github.com:schacon/rack.git $ git fetch rack_remote warning: no common commits remote: Counting objects: 3184, done. remote: Compressing objects: 100% (1465/1465), done. remote: Total 3184 (delta 1952), reused 2770 (delta 1675) Receiving objects: 100% (3184/3184), 677.42 KiB | 4 KiB/s, do Resolving deltas: 100% (1952/1952), done. From git@github.com:schacon/rack * [new branch] master -> rack_remote/master $ git checkout -b rack_branch rack_remote/master Branch rack_branch set up to track remote branch refs/remotes Switched to a new branch quot;rack_branchquot; $ ls AUTHORS KNOWN-ISSUES Rakefile contrib lib COPYING README bin example test

257. master C3 C2 C1 C0

266. master C3 rack_branch C6 rack_remote/master C2 C5 C1 C0 C4

267. $ git checkout master $ ls README rack_app.rb $ git checkout rack_branch $ ls AUTHORS KNOWN-ISSUES Rakefile contrib lib COPYING README bin example test

271. checkout ‘rack’ into my project

272. $ git read-tree --prefix=rack/ -u rack_branch $ ls README rack rack_app.rb $ ls rack AUTHORS KNOWN-ISSUES Rakefile contrib lib COPYING README bin example test $ git add rack $ git commit -m 'added rack code' [master 0839fd8] added rack code 108 files changed, 10334 insertions(+), 0 dele create mode 100644 rack/AUTHORS create mode 100644 rack/COPYING ... create mode 100644 rack/test/testrequest.rb

278. edit a ﬁle in rack

279. $ vim rack/lib/rack.rb $ git commit -am 'added awesome to rack' [master b1b77ee] added awesome to rack 1 files changed, 1 insertions(+), 0 deletions(-) $ git checkout rack_branch $ git merge --squash -s subtree --no-commit master Squash commit -- not updating HEAD Automatic merge went well; stopped before committin $ git status # On branch rack_branch # Changes to be committed: # (use quot;git reset HEAD <file>...quot; to unstage) # # modified: lib/rack.rb #

282. submit the change back to rack

284. git merge -s subtree

285. $ vim rack/lib/rack.rb $ git commit -am 'added awesome to rack' [master b1b77ee] added awesome to rack 1 files changed, 1 insertions(+), 0 deletions(-) $ git checkout rack_branch $ git merge -s subtree --no-commit --squash master Squash commit -- not updating HEAD Automatic merge went well; stopped before committin $ git status # On branch rack_branch # Changes to be committed: # (use quot;git reset HEAD <file>...quot; to unstage) # # modified: lib/rack.rb #

294. git merge -s subtree --no-commit --squash master

295. git merge -s subtree --no-commit --squash master really?

296. Tim Dysinger http://dysinger.net/2008/04/29/ replacing-braid-or-piston-for-git-with-40-lines-of-rake/

297. Tim Dysinger http://dysinger.net/2008/04/29/ replacing-braid-or-piston-for-git-with-40-lines-of-rake/ http://tinyurl.com/braidgit

298. Patch Staging

299. git add -p

300. $ git status # On branch master # Changed but not updated: # (use quot;git add <file>...quot; to update what wi # (use quot;git checkout -- <file>...quot; to discar # # modified: ticgit.gemspec # no changes added to commit (use quot;git addquot; and/

301. $ git status # On branch master # Changed but not updated: # (use quot;git add <file>...quot; to update what wi # (use quot;git checkout -- <file>...quot; to discar # # modified: ticgit.gemspec # no changes added to commit (use quot;git addquot; and/

302. $ git add -p diff --git a/ticgit.gemspec b/ticgit.gemspec index 9c32bd4..a44667b 100644 --- a/ticgit.gemspec +++ b/ticgit.gemspec @@ -1,7 +1,7 @@ Gem::Specification.new do |s| s.platform = Gem::Platform::RUBY s.name = quot;ticgitquot; - s.version = quot;0.3.5quot; + s.version = quot;0.3.6quot; s.date = quot;2008-05-10quot; s.author = quot;Scott Chaconquot; s.email = quot;schacon@gmail.comquot; Stage this hunk [y,n,a,d,/,j,J,g,e,?]? y

304. $ git add -p diff --git a/ticgit.gemspec b/ticgit.gemspec index 9c32bd4..a44667b 100644 --- a/ticgit.gemspec +++ b/ticgit.gemspec @@ -1,7 +1,7 @@ Gem::Specification.new do |s| s.platform = Gem::Platform::RUBY s.name = quot;ticgitquot; - s.version = quot;0.3.5quot; + s.version = quot;0.3.6quot; s.date = quot;2008-05-10quot; s.author = quot;Scott Chaconquot; s.email = quot;schacon@gmail.comquot; Stage this hunk [y,n,a,d,/,j,J,g,e,?]?

306. @@ -9,9 +9,10 @@ Gem::Specification.new do |s| s.files = [quot;lib/ticgit/base.rbquot;, quot;lib/ticgit/ quot;lib/ticgit/comment.rbquot;, quot;lib/ticgit/ticket.rbquot;, quot;lib/ ticgit.rbquot;, quot;bin/tiquot;, quot;bin/ticgitwebquot;] s.bindir = 'bin' - s.executables << quot;tiquot; - s.executables << quot;ticgitwebquot; + s.executables = [quot;tiquot;, quot;ticgitwebquot;] + s.default_executable = %q{ti} s.homepage = quot;http://github/schacon/ticgitquot; s.require_paths = [quot;libquot;, quot;binquot;] + s.specification_version = 2 if s.respond_to? :specification_version= end Stage this hunk [y,n,a,d,/,K,g,s,e,?]?

307. @@ -9,9 +9,10 @@ Gem::Specification.new do |s| s.files = [quot;lib/ticgit/base.rbquot;, quot;lib/ticgit/ quot;lib/ticgit/comment.rbquot;, quot;lib/ticgit/ticket.rbquot;, quot;lib/ ticgit.rbquot;, quot;bin/tiquot;, quot;bin/ticgitwebquot;] s.bindir = 'bin' - s.executables << quot;tiquot; - s.executables << quot;ticgitwebquot; + s.executables = [quot;tiquot;, quot;ticgitwebquot;] + s.default_executable = %q{ti} s.homepage = quot;http://github/schacon/ticgitquot; s.require_paths = [quot;libquot;, quot;binquot;] + s.specification_version = 2 if s.respond_to? :specification_version= end Stage this hunk [y,n,a,d,/,K,g,s,e,?]?

308. @@ -9,9 +9,10 @@ Gem::Specification.new do |s| s.files = [quot;lib/ticgit/base.rbquot;, quot;lib/ticgit/ quot;lib/ticgit/comment.rbquot;, quot;lib/ticgit/ticket.rbquot;, quot;lib/ ticgit.rbquot;, quot;bin/tiquot;, quot;bin/ticgitwebquot;] s.bindir = 'bin' - s.executables << quot;tiquot; - s.executables << quot;ticgitwebquot; + s.executables = [quot;tiquot;, quot;ticgitwebquot;] + s.default_executable = %q{ti} s.homepage = quot;http://github/schacon/ticgitquot; s.require_paths = [quot;libquot;, quot;binquot;] + s.specification_version = 2 if s.respond_to? :specification_version= end Stage this hunk [y,n,a,d,/,K,g,s,e,?]? n

309. $ git status # On branch master # Changes to be committed: # (use quot;git reset HEAD <file>...quot; to unstage) # # modified: ticgit.gemspec # # Changed but not updated: # (use quot;git add <file>...quot; to update what will be com # (use quot;git checkout -- <file>...quot; to discard changes # # modified: ticgit.gemspec #

313. partially stage ﬁles

314. git add -p

315. Debugging

316. Annotation

317. git blame

318. git blame ie: “what dumbass did this? oh, it was me...”

319. git blame daemon.c 979e32fa (Randal L. Schwartz 2005-10-25 16:29:09 -0700 1) #include quot;cache.hquot; 85023577 (Junio C Hamano 2006-12-19 14:34:12 -0800 2) #include quot;pkt-line.hquot; 77cb17e9 (Michal Ostrowski 2006-01-10 21:12:17 -0500 3) #include quot;exec_cmd.hquot; 49ba83fb (Jon Loeliger 2006-09-19 20:31:51 -0500 4) #include quot;interpolate.hquot; f8ff0c06 (Petr Baudis 2005-09-22 11:25:28 +0200 5) 85023577 (Junio C Hamano 2006-12-19 14:34:12 -0800 6) #include <syslog.h> 85023577 (Junio C Hamano 2006-12-19 14:34:12 -0800 7) 695dffe2 (Johannes Schindelin 2006-09-28 12:00:35 +0200 8) #ifndef HOST_NAME_MAX 695dffe2 (Johannes Schindelin 2006-09-28 12:00:35 +0200 9) #define HOST_NAME_MAX 256 695dffe2 (Johannes Schindelin 2006-09-28 12:00:35 +0200 10) #endif 695dffe2 (Johannes Schindelin 2006-09-28 12:00:35 +0200 11) 415e7b87 (Patrick Welche 2007-10-18 18:17:39 +0100 12) #ifndef NI_MAXSERV 415e7b87 (Patrick Welche 2007-10-18 18:17:39 +0100 13) #define NI_MAXSERV 32 415e7b87 (Patrick Welche 2007-10-18 18:17:39 +0100 14) #endif 415e7b87 (Patrick Welche 2007-10-18 18:17:39 +0100 15) 9048fe1c (Petr Baudis 2005-09-24 16:13:01 +0200 16) static int log_syslog; f8ff0c06 (Petr Baudis 2005-09-22 11:25:28 +0200 17) static int verbose; 1955fabf (Mark Wooding 2006-02-03 20:27:04 +0000 18) static int reuseaddr; f8ff0c06 (Petr Baudis 2005-09-22 11:25:28 +0200 19) 960deccb (H. Peter Anvin 2005-10-19 14:27:01 -0700 20) static const char daemon_usage[] = 1b1dd23f (Stephan Beyer 2008-07-13 15:36:15 +0200 21) quot;git daemon [--verbose] [--syslog] [ 3bd62c21 (Stephen R. van den Berg 2008-08-14 20:02:20 +0200 22) quot; [--timeout=n] [--init-ti 3bd62c21 (Stephen R. van den Berg 2008-08-14 20:02:20 +0200 23) quot; [--strict-paths] [--base 73a7a656 (Jens Axboe 2007-07-27 14:00:29 -0700 24) quot; [--user-path | --user-pa 49ba83fb (Jon Loeliger 2006-09-19 20:31:51 -0500 25) quot; [--interpolated-path=pat 678dac6b (Tilman Sauerbeck 2006-08-22 19:37:41 +0200 26) quot; [--reuseaddr] [--detach] d9edcbd6 (Junio C Hamano 2006-09-07 01:40:04 -0700 27) quot; [--[enable|disable|allow dd467629 (Jon Loeliger 2006-09-26 09:47:43 -0500 28) quot; [--inetd | [--listen=hos dd467629 (Jon Loeliger 2006-09-26 09:47:43 -0500 29) quot; [--user=user dd467629 (Jon Loeliger 2006-09-26 09:47:43 -0500 30) quot; [directory...]quot;; 4ae95682 (H. Peter Anvin 2005-09-26 19:10:55 -0700 31) 4ae95682 (H. Peter Anvin 2005-09-26 19:10:55 -0700 32) /* List of acceptable pathname prefi 96f1e58f (David Rientjes 2006-08-15 10:23:48 -0700 33) static char **ok_paths;

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Smacking Git Around Advanced Git Tricks