{"id":1771,"date":"2022-04-04T07:23:22","date_gmt":"2022-04-04T07:23:22","guid":{"rendered":"http:\/\/www.scmgalaxy.com\/tutorials\/?p=1771"},"modified":"2022-12-23T06:19:52","modified_gmt":"2022-12-23T06:19:52","slug":"svn-query-for-auto-merging","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/svn-query-for-auto-merging\/","title":{"rendered":"Automatic merge SVN branch"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Method 1<\/h2>\n\n\n\n<p>Yes , it is possible , and there is an open source project that does it!<\/p>\n\n\n\n<p>check out https:\/\/github.com\/liveperson\/Auto-Merger<\/p>\n\n\n\n<p>we are constantly working with it and it saves so much time and helps avoiding all those missed merges bugs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Method 2<\/h2>\n\n\n\n<p>Run these commands at the root of a working copy of tests-passed whenever you have determined that a new trunk revision has passed the tests:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"HTML, XML\" data-shcb-language-slug=\"xml\"><span><code class=\"hljs language-xml\">svn update\nsvn merge http:\/\/example.com\/svn\/myproject\/trunk -r 0:<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">somerev<\/span>&gt;<\/span>\nsvn commit -m \"merged trunk revisions up to <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">somerev<\/span>&gt;<\/span> into tests-passed\"<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">HTML, XML<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">xml<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Whenever you use the merge command, SVN will record the merges in the svn:mergeinfo property. So the above command should automatically determine which revisions in the range 0: are eligible for merging, excluding any merges that have already been done.<\/p>\n\n\n\n<p>Like you said in a comment, conflicts are not expected. But sometimes I&#8217;ve seen unexpected conflicts occur anyway when merging a range of SVN revisions containing renames. To get rid of these conflicts, you can use the &#8211;accept theirs-full option with the merge command to always accept the trunk state.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Method 3<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>If you merge from trunk to branch (in branch&#8217;s WC) order of parameters in mergeinfo is incorrect (reversed): shortened correct form have to be svn mergeinfo &#8211;show-revs eligible trunk (first parameter is SOURCE of merge, second &#8211; TARGET \/default &#8220;.&#8221;\/, i.e your WC)<\/li><li>If you use Subversion, which has already support for mergeinfo, you can skip detecting range of &#8220;have to be merged&#8221; revisions &#8211; Subversion do it automagically on merge<\/li><li>If you want in case of conflict always prefer changes from trunk, you can add it to merge command. As final result, your periodical sync-merge process will be single command inside WC of branch<\/li><\/ul>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"HTML, XML\" data-shcb-language-slug=\"xml\"><span><code class=\"hljs language-xml\">svn merge <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">URL-OF-TRUNK<\/span>&gt;<\/span> --accept \"theirs-conflict\"<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">HTML, XML<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">xml<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>","protected":false},"excerpt":{"rendered":"<p>Method 1 Yes , it is possible , and there is an open source project that does it! check out https:\/\/github.com\/liveperson\/Auto-Merger we are constantly working with it and it saves&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[2],"tags":[395],"class_list":["post-1771","post","type-post","status-publish","format-standard","hentry","category-uncategorised","tag-svn"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/1771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=1771"}],"version-history":[{"count":4,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/1771\/revisions"}],"predecessor-version":[{"id":29451,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/1771\/revisions\/29451"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=1771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=1771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=1771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}