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authorBrad King <brad.king@kitware.com>2015-01-23 15:50:24 (GMT)
committerCMake Topic Stage <kwrobot@kitware.com>2015-01-23 15:50:24 (GMT)
commit29ef8fb5be529f87b7e18a728604268cc008a9f6 (patch)
tree97f5ae5bf262ce35335ce0fcda1576261bf79dec
parent9f559a26080a7c76210277999385e50a9412300c (diff)
parent53df9bce19586858ad7c9b0e80d660433be757ed (diff)
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Merge topic 'update-curl'
53df9bce curl: Add README-CMake.txt
-rw-r--r--Utilities/cmcurl/README-CMake.txt66
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diff --git a/Utilities/cmcurl/README-CMake.txt b/Utilities/cmcurl/README-CMake.txt
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+The Utilities/cmcurl directory contains a reduced distribution
+of the curl source tree with only the library source code and
+CMake build system. It is not a submodule; the actual content is part
+of our source tree and changes can be made and committed directly.
+
+We update from upstream using Git's "subtree" merge strategy. A
+special branch contains commits of upstream curl snapshots and
+nothing else. No Git ref points explicitly to the head of this
+branch, but it is merged into our history.
+
+Update curl from upstream as follows. Create a local branch to
+explicitly reference the upstream snapshot branch head:
+
+ git branch curl-upstream 3fe5d9bf
+
+Use a temporary directory to checkout the branch:
+
+ mkdir curl-tmp
+ cd curl-tmp
+ git init
+ git pull .. curl-upstream
+ rm -rf *
+
+Now place the (reduced) curl content in this directory. See
+instructions shown by
+
+ git log 3fe5d9bf
+
+for help extracting the content from the upstream repo. Then run
+the following commands to commit the new version. Substitute the
+appropriate date and version number:
+
+ git add --all
+
+ GIT_AUTHOR_NAME='Curl Upstream' \
+ GIT_AUTHOR_EMAIL='curl-library@cool.haxx.se' \
+ GIT_AUTHOR_DATE='Wed Sep 10 08:07:58 2014 +0200' \
+ git commit -m 'curl 7.38.0 (reduced)' &&
+ git commit --amend
+
+Edit the commit message to describe the procedure used to obtain the
+content. Then push the changes back up to the main local repository:
+
+ git push .. HEAD:curl-upstream
+ cd ..
+ rm -rf curl-tmp
+
+Create a topic in the main repository on which to perform the update:
+
+ git checkout -b update-curl master
+
+Merge the curl-upstream branch as a subtree:
+
+ git merge -s recursive -X subtree=Utilities/cmcurl \
+ curl-upstream
+
+If there are conflicts, resolve them and commit. Build and test the
+tree. Commit any additional changes needed to succeed.
+
+Finally, run
+
+ git rev-parse --short=8 curl-upstream
+
+to get the commit from which the curl-upstream branch must be started
+on the next update. Edit the "git branch curl-upstream" line above to
+record it, and commit this file.