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2071e05ed2
Add some tests that "git fetch" handles refspec conflicts (i.e., when the same local reference should be updated from two different remote references) correctly. There is a small bug when updating references opportunistically, namely that an explicit user wish like git fetch origin \ refs/heads/branch1:refs/remotes/origin/branch2 \ refs/heads/branch2:refs/remotes/origin/branch1 should override a configured refspec like +refs/heads/*:refs/remotes/origin/* The current code incorrectly treats this as a fatal error. In a few commits we will improve the error messages for refspec conflicts in general and also turn this buggy fatal error into a warning. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
97 lines
2.2 KiB
Bash
Executable File
97 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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test_description='fetch handles conflicting refspecs correctly'
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. ./test-lib.sh
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D=$(pwd)
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setup_repository () {
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git init "$1" && (
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cd "$1" &&
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git config remote.origin.url "$D" &&
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shift &&
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for refspec in "$@"
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do
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git config --add remote.origin.fetch "$refspec"
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done
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)
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}
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verify_stderr () {
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cat >expected &&
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# We're not interested in the error
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# "fatal: The remote end hung up unexpectedly":
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grep -v "hung up" <error >actual &&
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test_cmp expected actual
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}
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test_expect_success 'setup' '
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git commit --allow-empty -m "Initial" &&
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git branch branch1 &&
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git tag tag1 &&
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git commit --allow-empty -m "First" &&
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git branch branch2 &&
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git tag tag2
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'
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test_expect_success 'fetch with no conflict' '
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setup_repository ok "+refs/heads/*:refs/remotes/origin/*" && (
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cd ok &&
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git fetch origin
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)
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'
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test_expect_success 'fetch conflict: config vs. config' '
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setup_repository ccc \
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"+refs/heads/branch1:refs/remotes/origin/branch1" \
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"+refs/heads/branch2:refs/remotes/origin/branch1" && (
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cd ccc &&
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test_must_fail git fetch origin 2>error &&
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verify_stderr <<-\EOF
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fatal: refs/remotes/origin/branch1 tracks both refs/heads/branch1 and refs/heads/branch2
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EOF
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)
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'
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test_expect_success 'fetch duplicate: config vs. config' '
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setup_repository dcc \
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"+refs/heads/*:refs/remotes/origin/*" \
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"+refs/heads/branch1:refs/remotes/origin/branch1" && (
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cd dcc &&
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git fetch origin
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)
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'
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test_expect_success 'fetch conflict: arg overrides config' '
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setup_repository aoc \
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"+refs/heads/*:refs/remotes/origin/*" && (
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cd aoc &&
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git fetch origin refs/heads/branch2:refs/remotes/origin/branch1
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)
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'
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test_expect_success 'fetch conflict: arg vs. arg' '
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setup_repository caa && (
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cd caa &&
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test_must_fail git fetch origin \
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refs/heads/*:refs/remotes/origin/* \
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refs/heads/branch2:refs/remotes/origin/branch1 2>error &&
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verify_stderr <<-\EOF
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fatal: refs/remotes/origin/branch1 tracks both refs/heads/branch1 and refs/heads/branch2
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EOF
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)
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'
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test_expect_failure 'fetch conflict: criss-cross args' '
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setup_repository xaa \
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"+refs/heads/*:refs/remotes/origin/*" && (
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cd xaa &&
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git fetch origin \
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refs/heads/branch1:refs/remotes/origin/branch2 \
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refs/heads/branch2:refs/remotes/origin/branch1
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)
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'
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test_done
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