bup-config(5) File Formats Manual bup-config(5) (NAME) bup-config - bup (DESCRIPTION) git (git-config(1)) . : git --git-dir="$BUP_DIR" config bup.split.trees true (OPTIONS) bup.repo.id . : "0123456789_-" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz". ("something" "SOMETHING") . bup init bup.repo.id bup init . . : ( cp(1) rsync(1)) . bup.server.deduplicate-writes ( true) true bup-server(1) *.idx . false . *.idx . ( NAS ) . $BUP_DIR/dumb-server-mode bup false . bup.split.files ( legacy:13) bup save bup split. ( ). "" (granularity) . legacy:N N 12 22 . 13 . N hash-split . ( ) ( ). (blob) 2^bits (1 << bits) . ( ) . . legacy:13 . ( ) ( ) . bup get --rewrite . legacy . DESIGN . : . : bup.split.trees ( ) bup.split.files bup save . bup.split.trees true bup ( bup save ... bup gc .. ) () . ( Maildir ) . "Handling large directories" DESIGN bup . : . bup . bup.split.trees . ( ) . core.compression (pack file) core.compression . 1 ( git -1 ). . git-config(1). pack.compression . core.compression . git-config(1). pack.packSizeLimit (pack) ( bup save) ( git-config(1) ). ( / ) . 1e9 ( 0.93 GiB) bup (chunk) . "2g" (2 ) idx . (ENVIRONMENT) BUP_DIR bup -d . XDG_CACHE_HOME/bup ( ). (FILES) $XDG_CACHE_HOME/bup/remote ~/.cache/bup/remote $BUP_DIR/index-cache . bup save -r . bup bup $XDG_CACHE_HOME $XDG_CACHE_HOME/bup/remote ~/.cache/bup/remote . (SEE ALSO) git-config(1) BUP bup(1). (AUTHORS) Rob Browning . Bup 0.34+ 2026-09-01 bup-config(5)