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@r-k-b
Created December 2, 2020 02:54
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# quick way to see if the given local branch has already been merged (or
# rebased) into the "main" branch
#
# Usage:
#    isMerged branch-i-want-to-check
#
# Defaults to the current branch if none is specified.
# Assumes the remote is named `origin`.
function isMerged() {
    echo "If a line starts with +, it's not in the main branch."
    echo "If a line starts with =, it's already in the main branch."
    checking=${1:-$(git symbolic-ref --short HEAD)}
    main="$(git remote show origin | grep "HEAD branch" | sed 's/.*: //')"
    cmd="git log --oneline --cherry origin/$main...$checking"
    echo "$cmd" && $cmd
}
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