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fetch: improve the error messages emitted for conflicting refspecs
If we find two refspecs that want to update the same local reference, emit an error message that is more informative based on whether one of the conflicting refspecs is an opportunistic update during a fetch with explicit command-line refspecs. And especially, do not die if an opportunistic reference update conflicts with an express wish of the user; rather, just emit a warning and skip the opportunistic reference update. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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parent
76ea6717fe
commit
f096e6e826
25
remote.c
25
remote.c
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@ -747,9 +747,28 @@ int for_each_remote(each_remote_fn fn, void *priv)
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static void handle_duplicate(struct ref *ref1, struct ref *ref2)
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{
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if (strcmp(ref1->name, ref2->name))
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die(_("%s tracks both %s and %s"),
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ref2->peer_ref->name, ref1->name, ref2->name);
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if (strcmp(ref1->name, ref2->name)) {
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if (ref1->fetch_head_status != FETCH_HEAD_IGNORE &&
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ref2->fetch_head_status != FETCH_HEAD_IGNORE) {
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die(_("Cannot fetch both %s and %s to %s"),
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ref1->name, ref2->name, ref2->peer_ref->name);
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} else if (ref1->fetch_head_status != FETCH_HEAD_IGNORE &&
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ref2->fetch_head_status == FETCH_HEAD_IGNORE) {
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warning(_("%s usually tracks %s, not %s"),
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ref2->peer_ref->name, ref2->name, ref1->name);
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} else if (ref1->fetch_head_status == FETCH_HEAD_IGNORE &&
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ref2->fetch_head_status == FETCH_HEAD_IGNORE) {
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die(_("%s tracks both %s and %s"),
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ref2->peer_ref->name, ref1->name, ref2->name);
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} else {
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/*
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* This last possibility doesn't occur because
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* FETCH_HEAD_IGNORE entries always appear at
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* the end of the list.
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*/
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die(_("Internal error"));
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}
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}
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free(ref2->peer_ref);
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free(ref2);
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}
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@ -22,7 +22,7 @@ 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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grep -E '^(fatal|warning):' <error | grep -v 'hung up' >actual | sort &&
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test_cmp expected actual
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}
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@ -49,7 +49,7 @@ test_expect_success 'fetch conflict: config vs. config' '
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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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fatal: Cannot fetch both refs/heads/branch1 and refs/heads/branch2 to refs/remotes/origin/branch1
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EOF
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)
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'
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@ -78,18 +78,22 @@ test_expect_success 'fetch conflict: arg vs. arg' '
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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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fatal: Cannot fetch both refs/heads/branch1 and refs/heads/branch2 to refs/remotes/origin/branch1
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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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test_expect_success '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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refs/heads/branch2:refs/remotes/origin/branch1 2>error &&
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verify_stderr <<-\EOF
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warning: refs/remotes/origin/branch1 usually tracks refs/heads/branch1, not refs/heads/branch2
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warning: refs/remotes/origin/branch2 usually tracks refs/heads/branch2, not refs/heads/branch1
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EOF
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)
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'
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