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rebase: help users when dying with preserve-merges
Git would die if a "rebase --preserve-merges" was in progress. Users could neither --quit, --abort, nor --continue the rebase. Make the `rebase --abort` option available to allow users to remove traces of any preserve-merges rebase, even if they had upgraded during a rebase. One trigger case was an unexpectedly difficult to resolve conflict, as reported on the `git-users` group. (https://groups.google.com/g/git-for-windows/c/3jMWbBlXXHM) Other potential use-cases include git-experts using the portable 'Git on a stick' to help users with an older git version. Signed-off-by: Philip Oakley <philipoakley@iee.email> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -1182,8 +1182,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
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} else if (is_directory(merge_dir())) {
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strbuf_reset(&buf);
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strbuf_addf(&buf, "%s/rewritten", merge_dir());
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if (is_directory(buf.buf)) {
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die("`rebase -p` is no longer supported");
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if (!(action == ACTION_ABORT) && is_directory(buf.buf)) {
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die("`rebase --preserve-merges` (-p) is no longer supported.\n"
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"Use `git rebase --abort` to terminate current rebase.\n"
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"Or downgrade to v2.33, or earlier, to complete the rebase.");
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} else {
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strbuf_reset(&buf);
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strbuf_addf(&buf, "%s/interactive", merge_dir());
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