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It can be helpful when creating a new branch to use the existing
tracking configuration from the branch point. However, there is
currently not a method to automatically do so.
Teach git-{branch,checkout,switch} an "inherit" argument to the
"--track" option. When this is set, creating a new branch will cause the
tracking configuration to default to the configuration of the branch
point, if set.
For example, if branch "main" tracks "origin/main", and we run
`git checkout --track=inherit -b feature main`, then branch "feature"
will track "origin/main". Thus, `git status` will show us how far
ahead/behind we are from origin, and `git pull` will pull from origin.
This is particularly useful when creating branches across many
submodules, such as with `git submodule foreach ...` (or if running with
a patch such as [1], which we use at $job), as it avoids having to
manually set tracking info for each submodule.
Since we've added an argument to "--track", also add "--track=direct" as
another way to explicitly get the original "--track" behavior ("--track"
without an argument still works as well).
Finally, teach branch.autoSetupMerge a new "inherit" option. When this
is set, "--track=inherit" becomes the default behavior.
[1]: https://lore.kernel.org/git/20180927221603.148025-1-sbeller@google.com/
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
51 lines
1.7 KiB
Bash
Executable File
51 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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test_description='tests for git branch --track'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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test_expect_success 'setup' '
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test_commit one &&
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test_commit two
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'
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test_expect_success 'checkout --track -b creates a new tracking branch' '
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git checkout --track -b branch1 main &&
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test $(git rev-parse --abbrev-ref HEAD) = branch1 &&
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test $(git config --get branch.branch1.remote) = . &&
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test $(git config --get branch.branch1.merge) = refs/heads/main
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'
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test_expect_success 'checkout --track -b rejects an extra path argument' '
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test_must_fail git checkout --track -b branch2 main one.t 2>err &&
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test_i18ngrep "cannot be used with updating paths" err
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'
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test_expect_success 'checkout --track -b overrides autoSetupMerge=inherit' '
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# Set up tracking config on main
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test_config branch.main.remote origin &&
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test_config branch.main.merge refs/heads/some-branch &&
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test_config branch.autoSetupMerge inherit &&
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# With --track=inherit, we copy the tracking config from main
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git checkout --track=inherit -b b1 main &&
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test_cmp_config origin branch.b1.remote &&
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test_cmp_config refs/heads/some-branch branch.b1.merge &&
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# With branch.autoSetupMerge=inherit, we do the same
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git checkout -b b2 main &&
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test_cmp_config origin branch.b2.remote &&
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test_cmp_config refs/heads/some-branch branch.b2.merge &&
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# But --track overrides this
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git checkout --track -b b3 main &&
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test_cmp_config . branch.b3.remote &&
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test_cmp_config refs/heads/main branch.b3.merge &&
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# And --track=direct does as well
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git checkout --track=direct -b b4 main &&
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test_cmp_config . branch.b4.remote &&
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test_cmp_config refs/heads/main branch.b4.merge
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'
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test_done
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