Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" |
| 2 | "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> |
| 3 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> |
| 4 | <head> |
| 5 | <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 6 | <meta name="generator" content="AsciiDoc 8.2.5" /> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 7 | <style type="text/css"> |
| 8 | /* Debug borders */ |
| 9 | p, li, dt, dd, div, pre, h1, h2, h3, h4, h5, h6 { |
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| 14 | |
| 15 | body { |
| 16 | margin: 1em 5% 1em 5%; |
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| 18 | |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 19 | a { |
| 20 | color: blue; |
| 21 | text-decoration: underline; |
| 22 | } |
| 23 | a:visited { |
| 24 | color: fuchsia; |
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Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 26 | |
| 27 | em { |
| 28 | font-style: italic; |
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| 39 | h1, h2, h3, h4, h5, h6 { |
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| 46 | |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 47 | h1, h2, h3 { |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 48 | border-bottom: 2px solid silver; |
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Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 51 | padding-top: 0.5em; |
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Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 53 | h3 { |
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| 56 | h3 + * { |
| 57 | clear: left; |
| 58 | } |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 59 | |
| 60 | div.sectionbody { |
| 61 | font-family: serif; |
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| 74 | pre { |
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Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 83 | font-size: 1.1em; |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 84 | } |
| 85 | span#email { |
| 86 | } |
| 87 | span#revision { |
| 88 | font-family: sans-serif; |
| 89 | } |
| 90 | |
| 91 | div#footer { |
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| 94 | border-top: 2px solid silver; |
| 95 | padding-top: 0.5em; |
| 96 | margin-top: 4.0em; |
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| 98 | div#footer-text { |
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| 101 | } |
| 102 | div#footer-badges { |
| 103 | float: right; |
| 104 | padding-bottom: 0.5em; |
| 105 | } |
| 106 | |
| 107 | div#preamble, |
| 108 | div.tableblock, div.imageblock, div.exampleblock, div.verseblock, |
| 109 | div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock, |
| 110 | div.admonitionblock { |
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| 115 | div.admonitionblock { |
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| 120 | div.content { /* Block element content. */ |
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| 124 | /* Block element titles. */ |
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| 126 | font-family: sans-serif; |
| 127 | font-weight: bold; |
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| 136 | td div.title:first-child { |
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| 139 | div.content div.title:first-child { |
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| 142 | div.content + div.title { |
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| 146 | div.sidebarblock > div.content { |
| 147 | background: #ffffee; |
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| 149 | padding: 0.5em; |
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| 151 | |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 152 | div.listingblock { |
| 153 | margin-right: 0%; |
| 154 | } |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 155 | div.listingblock > div.content { |
| 156 | border: 1px solid silver; |
| 157 | background: #f4f4f4; |
| 158 | padding: 0.5em; |
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| 160 | |
| 161 | div.quoteblock > div.content { |
| 162 | padding-left: 2.0em; |
| 163 | } |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 164 | |
| 165 | div.attribution { |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 166 | text-align: right; |
| 167 | } |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 168 | div.verseblock + div.attribution { |
| 169 | text-align: left; |
| 170 | } |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 171 | |
| 172 | div.admonitionblock .icon { |
| 173 | vertical-align: top; |
| 174 | font-size: 1.1em; |
| 175 | font-weight: bold; |
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| 177 | color: #527bbd; |
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| 180 | div.admonitionblock td.content { |
| 181 | padding-left: 0.5em; |
| 182 | border-left: 2px solid silver; |
| 183 | } |
| 184 | |
| 185 | div.exampleblock > div.content { |
| 186 | border-left: 2px solid silver; |
| 187 | padding: 0.5em; |
| 188 | } |
| 189 | |
| 190 | div.verseblock div.content { |
| 191 | white-space: pre; |
| 192 | } |
| 193 | |
| 194 | div.imageblock div.content { padding-left: 0; } |
| 195 | div.imageblock img { border: 1px solid silver; } |
| 196 | span.image img { border-style: none; } |
| 197 | |
| 198 | dl { |
| 199 | margin-top: 0.8em; |
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| 205 | font-style: italic; |
| 206 | } |
| 207 | dd > *:first-child { |
| 208 | margin-top: 0; |
| 209 | } |
| 210 | |
| 211 | ul, ol { |
| 212 | list-style-position: outside; |
| 213 | } |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 214 | div.olist2 ol { |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 215 | list-style-type: lower-alpha; |
| 216 | } |
| 217 | |
| 218 | div.tableblock > table { |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 219 | border: 3px solid #527bbd; |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 220 | } |
| 221 | thead { |
| 222 | font-family: sans-serif; |
| 223 | font-weight: bold; |
| 224 | } |
| 225 | tfoot { |
| 226 | font-weight: bold; |
| 227 | } |
| 228 | |
| 229 | div.hlist { |
| 230 | margin-top: 0.8em; |
| 231 | margin-bottom: 0.8em; |
| 232 | } |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 233 | div.hlist td { |
| 234 | padding-bottom: 5px; |
| 235 | } |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 236 | td.hlist1 { |
| 237 | vertical-align: top; |
| 238 | font-style: italic; |
| 239 | padding-right: 0.8em; |
| 240 | } |
| 241 | td.hlist2 { |
| 242 | vertical-align: top; |
| 243 | } |
| 244 | |
| 245 | @media print { |
| 246 | div#footer-badges { display: none; } |
| 247 | } |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 248 | |
| 249 | div#toctitle { |
| 250 | color: #527bbd; |
| 251 | font-family: sans-serif; |
| 252 | font-size: 1.1em; |
| 253 | font-weight: bold; |
| 254 | margin-top: 1.0em; |
| 255 | margin-bottom: 0.1em; |
| 256 | } |
| 257 | |
| 258 | div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 { |
| 259 | margin-top: 0; |
| 260 | margin-bottom: 0; |
| 261 | } |
| 262 | div.toclevel2 { |
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| 266 | div.toclevel3 { |
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| 269 | } |
| 270 | div.toclevel4 { |
| 271 | margin-left: 6em; |
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| 274 | include1::./stylesheets/xhtml11-manpage.css[] |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 275 | /* Workarounds for IE6's broken and incomplete CSS2. */ |
| 276 | |
| 277 | div.sidebar-content { |
| 278 | background: #ffffee; |
| 279 | border: 1px solid silver; |
| 280 | padding: 0.5em; |
| 281 | } |
| 282 | div.sidebar-title, div.image-title { |
| 283 | font-family: sans-serif; |
| 284 | font-weight: bold; |
| 285 | margin-top: 0.0em; |
| 286 | margin-bottom: 0.5em; |
| 287 | } |
| 288 | |
| 289 | div.listingblock div.content { |
| 290 | border: 1px solid silver; |
| 291 | background: #f4f4f4; |
| 292 | padding: 0.5em; |
| 293 | } |
| 294 | |
| 295 | div.quoteblock-content { |
| 296 | padding-left: 2.0em; |
| 297 | } |
| 298 | |
| 299 | div.exampleblock-content { |
| 300 | border-left: 2px solid silver; |
| 301 | padding-left: 0.5em; |
| 302 | } |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 303 | |
| 304 | /* IE6 sets dynamically generated links as visited. */ |
| 305 | div#toc a:visited { color: blue; } |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 306 | </style> |
| 307 | <title>git-rerere(1)</title> |
| 308 | </head> |
| 309 | <body> |
| 310 | <div id="header"> |
| 311 | <h1> |
| 312 | git-rerere(1) Manual Page |
| 313 | </h1> |
| 314 | <h2>NAME</h2> |
| 315 | <div class="sectionbody"> |
| 316 | <p>git-rerere - |
Junio C Hamano | 7c73c66 | 2007-01-19 00:37:50 | [diff] [blame] | 317 | Reuse recorded resolution of conflicted merges |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 318 | </p> |
| 319 | </div> |
| 320 | </div> |
| 321 | <h2>SYNOPSIS</h2> |
| 322 | <div class="sectionbody"> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 323 | <div class="para"><p><em>git rerere</em> [<em>clear</em>|<em>diff</em>|<em>status</em>|<em>gc</em>]</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 324 | </div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 325 | <h2 id="_description">DESCRIPTION</h2> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 326 | <div class="sectionbody"> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 327 | <div class="para"><p>In a workflow that employs relatively long lived topic branches, |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 328 | the developer sometimes needs to resolve the same conflict over |
| 329 | and over again until the topic branches are done (either merged |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 330 | to the "release" branch, or sent out and accepted upstream).</p></div> |
| 331 | <div class="para"><p>This command helps this process by recording conflicted |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 332 | automerge results and corresponding hand-resolve results on the |
| 333 | initial manual merge, and later by noticing the same automerge |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 334 | results and applying the previously recorded hand resolution.</p></div> |
Junio C Hamano | 0e47b23 | 2008-01-15 08:31:10 | [diff] [blame] | 335 | <div class="admonitionblock"> |
| 336 | <table><tr> |
| 337 | <td class="icon"> |
| 338 | <div class="title">Note</div> |
| 339 | </td> |
| 340 | <td class="content">You need to set the configuration variable rerere.enabled to |
| 341 | enable this command.</td> |
| 342 | </tr></table> |
| 343 | </div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 344 | </div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 345 | <h2 id="_commands">COMMANDS</h2> |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 346 | <div class="sectionbody"> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 347 | <div class="para"><p>Normally, <em>git-rerere</em> is run without arguments or user-intervention. |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 348 | However, it has several commands that allow it to interact with |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 349 | its working state.</p></div> |
| 350 | <div class="vlist"><dl> |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 351 | <dt> |
| 352 | <em>clear</em> |
| 353 | </dt> |
| 354 | <dd> |
| 355 | <p> |
| 356 | This resets the metadata used by rerere if a merge resolution is to be |
Junio C Hamano | ccc2f76 | 2008-07-24 04:03:33 | [diff] [blame] | 357 | aborted. Calling <em>git-am [--skip|--abort]</em> or <em>git-rebase [--skip|--abort]</em> |
Junio C Hamano | fce7c7e | 2008-07-02 03:06:38 | [diff] [blame] | 358 | will automatically invoke this command. |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 359 | </p> |
| 360 | </dd> |
| 361 | <dt> |
| 362 | <em>diff</em> |
| 363 | </dt> |
| 364 | <dd> |
| 365 | <p> |
| 366 | This displays diffs for the current state of the resolution. It is |
| 367 | useful for tracking what has changed while the user is resolving |
| 368 | conflicts. Additional arguments are passed directly to the system |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 369 | <em>diff</em> command installed in PATH. |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 370 | </p> |
| 371 | </dd> |
| 372 | <dt> |
| 373 | <em>status</em> |
| 374 | </dt> |
| 375 | <dd> |
| 376 | <p> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 377 | Like <em>diff</em>, but this only prints the filenames that will be tracked |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 378 | for resolutions. |
| 379 | </p> |
| 380 | </dd> |
| 381 | <dt> |
| 382 | <em>gc</em> |
| 383 | </dt> |
| 384 | <dd> |
| 385 | <p> |
| 386 | This command is used to prune records of conflicted merge that |
Junio C Hamano | 7464064 | 2006-12-27 10:59:55 | [diff] [blame] | 387 | occurred long time ago. By default, conflicts older than 15 |
| 388 | days that you have not recorded their resolution, and conflicts |
| 389 | older than 60 days, are pruned. These are controlled with |
| 390 | <tt>gc.rerereunresolved</tt> and <tt>gc.rerereresolved</tt> configuration |
| 391 | variables. |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 392 | </p> |
| 393 | </dd> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 394 | </dl></div> |
Junio C Hamano | e7935c4 | 2006-12-13 21:32:17 | [diff] [blame] | 395 | </div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 396 | <h2 id="_discussion">DISCUSSION</h2> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 397 | <div class="sectionbody"> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 398 | <div class="para"><p>When your topic branch modifies overlapping area that your |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 399 | master branch (or upstream) touched since your topic branch |
| 400 | forked from it, you may want to test it with the latest master, |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 401 | even before your topic branch is ready to be pushed upstream:</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 402 | <div class="listingblock"> |
| 403 | <div class="content"> |
| 404 | <pre><tt> o---*---o topic |
| 405 | / |
| 406 | o---o---o---*---o---o master</tt></pre> |
| 407 | </div></div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 408 | <div class="para"><p>For such a test, you need to merge master and topic somehow. |
| 409 | One way to do it is to pull master into the topic branch:</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 410 | <div class="listingblock"> |
| 411 | <div class="content"> |
| 412 | <pre><tt> $ git checkout topic |
Junio C Hamano | edd2b0a | 2007-01-15 06:12:45 | [diff] [blame] | 413 | $ git merge master |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 414 | |
| 415 | o---*---o---+ topic |
| 416 | / / |
| 417 | o---o---o---*---o---o master</tt></pre> |
| 418 | </div></div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 419 | <div class="para"><p>The commits marked with <tt>*</tt> touch the same area in the same |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 420 | file; you need to resolve the conflicts when creating the commit |
Junio C Hamano | faa1e50 | 2008-08-10 03:55:58 | [diff] [blame] | 421 | marked with <tt>+</tt>. Then you can test the result to make sure your |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 422 | work-in-progress still works with what is in the latest master.</p></div> |
| 423 | <div class="para"><p>After this test merge, there are two ways to continue your work |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 424 | on the topic. The easiest is to build on top of the test merge |
Junio C Hamano | faa1e50 | 2008-08-10 03:55:58 | [diff] [blame] | 425 | commit <tt>+</tt>, and when your work in the topic branch is finally |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 426 | ready, pull the topic branch into master, and/or ask the |
| 427 | upstream to pull from you. By that time, however, the master or |
Junio C Hamano | faa1e50 | 2008-08-10 03:55:58 | [diff] [blame] | 428 | the upstream might have been advanced since the test merge <tt>+</tt>, |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 429 | in which case the final commit graph would look like this:</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 430 | <div class="listingblock"> |
| 431 | <div class="content"> |
| 432 | <pre><tt> $ git checkout topic |
Junio C Hamano | edd2b0a | 2007-01-15 06:12:45 | [diff] [blame] | 433 | $ git merge master |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 434 | $ ... work on both topic and master branches |
| 435 | $ git checkout master |
Junio C Hamano | edd2b0a | 2007-01-15 06:12:45 | [diff] [blame] | 436 | $ git merge topic |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 437 | |
| 438 | o---*---o---+---o---o topic |
| 439 | / / \ |
| 440 | o---o---o---*---o---o---o---o---+ master</tt></pre> |
| 441 | </div></div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 442 | <div class="para"><p>When your topic branch is long-lived, however, your topic branch |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 443 | would end up having many such "Merge from master" commits on it, |
| 444 | which would unnecessarily clutter the development history. |
| 445 | Readers of the Linux kernel mailing list may remember that Linus |
| 446 | complained about such too frequent test merges when a subsystem |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 447 | maintainer asked to pull from a branch full of "useless merges".</p></div> |
| 448 | <div class="para"><p>As an alternative, to keep the topic branch clean of test |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 449 | merges, you could blow away the test merge, and keep building on |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 450 | top of the tip before the test merge:</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 451 | <div class="listingblock"> |
| 452 | <div class="content"> |
| 453 | <pre><tt> $ git checkout topic |
Junio C Hamano | edd2b0a | 2007-01-15 06:12:45 | [diff] [blame] | 454 | $ git merge master |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 455 | $ git reset --hard HEAD^ ;# rewind the test merge |
| 456 | $ ... work on both topic and master branches |
| 457 | $ git checkout master |
Junio C Hamano | edd2b0a | 2007-01-15 06:12:45 | [diff] [blame] | 458 | $ git merge topic |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 459 | |
| 460 | o---*---o-------o---o topic |
| 461 | / \ |
| 462 | o---o---o---*---o---o---o---o---+ master</tt></pre> |
| 463 | </div></div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 464 | <div class="para"><p>This would leave only one merge commit when your topic branch is |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 465 | finally ready and merged into the master branch. This merge |
| 466 | would require you to resolve the conflict, introduced by the |
| 467 | commits marked with <tt>*</tt>. However, often this conflict is the |
| 468 | same conflict you resolved when you created the test merge you |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 469 | blew away. <em>git-rerere</em> command helps you to resolve this final |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 470 | conflicted merge using the information from your earlier hand |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 471 | resolve.</p></div> |
| 472 | <div class="para"><p>Running the <em>git-rerere</em> command immediately after a conflicted |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 473 | automerge records the conflicted working tree files, with the |
| 474 | usual conflict markers <tt><<<<<<<</tt>, <tt>=======</tt>, and <tt>>>>>>>></tt> in |
| 475 | them. Later, after you are done resolving the conflicts, |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 476 | running <em>git-rerere</em> again records the resolved state of these |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 477 | files. Suppose you did this when you created the test merge of |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 478 | master into the topic branch.</p></div> |
| 479 | <div class="para"><p>Next time, running <em>git-rerere</em> after seeing a conflicted |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 480 | automerge, if the conflict is the same as the earlier one |
| 481 | recorded, it is noticed and a three-way merge between the |
| 482 | earlier conflicted automerge, the earlier manual resolution, and |
| 483 | the current conflicted automerge is performed by the command. |
| 484 | If this three-way merge resolves cleanly, the result is written |
| 485 | out to your working tree file, so you would not have to manually |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 486 | resolve it. Note that <em>git-rerere</em> leaves the index file alone, |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 487 | so you still need to do the final sanity checks with <tt>git diff</tt> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 488 | (or <tt>git diff -c</tt>) and <em>git-add</em> when you are satisfied.</p></div> |
| 489 | <div class="para"><p>As a convenience measure, <em>git-merge</em> automatically invokes |
| 490 | <em>git-rerere</em> when it exits with a failed automerge, which |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 491 | records it if it is a new conflict, or reuses the earlier hand |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 492 | resolve when it is not. <em>git-commit</em> also invokes <em>git-rerere</em> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 493 | when recording a merge result. What this means is that you do |
| 494 | not have to do anything special yourself (Note: you still have |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 495 | to set the config variable rerere.enabled to enable this command).</p></div> |
| 496 | <div class="para"><p>In our example, when you did the test merge, the manual |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 497 | resolution is recorded, and it will be reused when you do the |
| 498 | actual merge later with updated master and topic branch, as long |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 499 | as the earlier resolution is still applicable.</p></div> |
| 500 | <div class="para"><p>The information <em>git-rerere</em> records is also used when running |
| 501 | <em>git-rebase</em>. After blowing away the test merge and continuing |
| 502 | development on the topic branch:</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 503 | <div class="listingblock"> |
| 504 | <div class="content"> |
| 505 | <pre><tt> o---*---o-------o---o topic |
| 506 | / |
| 507 | o---o---o---*---o---o---o---o master |
| 508 | |
| 509 | $ git rebase master topic |
| 510 | |
| 511 | o---*---o-------o---o topic |
| 512 | / |
| 513 | o---o---o---*---o---o---o---o master</tt></pre> |
| 514 | </div></div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 515 | <div class="para"><p>you could run <tt>git rebase master topic</tt>, to keep yourself |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 516 | up-to-date even before your topic is ready to be sent upstream. |
| 517 | This would result in falling back to three-way merge, and it |
| 518 | would conflict the same way the test merge you resolved earlier. |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 519 | <em>git-rerere</em> is run by <em>git-rebase</em> to help you resolve this |
| 520 | conflict.</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 521 | </div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 522 | <h2 id="_author">Author</h2> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 523 | <div class="sectionbody"> |
Junio C Hamano | 0868a30 | 2008-07-22 09:20:44 | [diff] [blame] | 524 | <div class="para"><p>Written by Junio C Hamano <gitster@pobox.com></p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 525 | </div> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 526 | <h2 id="_git">GIT</h2> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 527 | <div class="sectionbody"> |
Junio C Hamano | ba4b928 | 2008-07-06 05:20:31 | [diff] [blame] | 528 | <div class="para"><p>Part of the <a href="git.html">git(1)</a> suite</p></div> |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 529 | </div> |
| 530 | <div id="footer"> |
| 531 | <div id="footer-text"> |
Junio C Hamano | 6f1bbb7 | 2008-10-31 11:32:55 | [diff] [blame] | 532 | Last updated 2008-10-31 11:28:48 UTC |
Junio C Hamano | 40f2f8d | 2006-02-07 08:04:39 | [diff] [blame] | 533 | </div> |
| 534 | </div> |
| 535 | </body> |
| 536 | </html> |