tests/histedit-helpers.sh

branchmap: backout 6bf93440a717

This is no longer needed now that posixfile handles seeking to EOF when it opens
a file in append mode.

fixbundle() {
    grep -v 'saving bundle' | grep -v 'saved backup' | \
        grep -v added | grep -v adding | \
        grep -v "unable to find 'e' for patching" | \
        grep -v "e: No such file or directory"
}