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Git 2.21 Release Notes
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======================
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Backward Compatibility Notes
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----------------------------
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Updates since v2.20
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-------------------
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UI, Workflows & Features
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* The "http.version" configuration variable can be used with recent
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enough cURL library to force the version of HTTP used to talk when
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fetching and pushing.
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* Small fixes and features for fast-export and fast-import, mostly on
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the fast-export side.
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* "git push $there $src:$dst" rejects when $dst is not a fully
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qualified refname and not clear what the end user meant. The
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codepath has been taught to give a clearer error message, and also
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guess where the push should go by taking the type of the pushed
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object into account (e.g. a tag object would want to go under
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refs/tags/).
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Performance, Internal Implementation, Development Support etc.
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* Code clean-up with optimization for the codepath that checks
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(non-)existence of loose objects.
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* More codepaths become aware of working with in-core repository
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instance other than the default "the_repository".
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Fixes since v2.20
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-----------------
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* Updates for corner cases in merge-recursive.
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(merge cc4cb0902c en/merge-path-collision later to maint).
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* "git checkout frotz" (without any double-dash) avoids ambiguity by
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making sure 'frotz' cannot be interpreted as a revision and as a
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path at the same time. This safety has been updated to check also
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a unique remote-tracking branch 'frotz' in a remote, when dwimming
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to create a local branch 'frotz' out of a remote-tracking branch
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'frotz' from a remote.
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(merge be4908f103 nd/checkout-dwim-fix later to maint).
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* Refspecs configured with "git -c var=val clone" did not propagate
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to the resulting repository, which has been corrected.
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(merge 7eae4a3ac4 sg/clone-initial-fetch-configuration later to maint).
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* A properly configured username/email is required under
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user.useConfigOnly in order to create commits; now "git stash"
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(even though it creates commit objects to represent stash entries)
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command is exempt from the requirement.
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(merge 3bc2111fc2 sd/stash-wo-user-name later to maint).
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* The http-backend CGI process did not correctly clean up the child
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processes it spawns to run upload-pack etc. when it dies itself,
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which has been corrected.
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(merge 02818a98d7 mk/http-backend-kill-children-before-exit later to maint).
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* Code cleanup, docfix, build fix, etc.
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