B4(1) (User Commands) B4(1) (NAME) B4 - public-inbox (SYNOPSIS) b4 {mbox,am,shazam,pr,diff,ty,kr,dig,review,prep,send,trailers} [options] (DESCRIPTION) () (pull requests) public-inbox lore.kernel.org . . "b4" B-4 Lore Data (Star Trek) . . (SUBCOMMANDS) (Maintainer-oriented): o mbox: (thread) mbox o am: mbox git-am o shazam: o pr: (pull requests) o ty: o diff: range-diff o dig: o review: TUI ( ) o kr: (/STUB) patatt (Contributor-oriented): o prep: o trailers: (trailers) o send: b4 --help b4 subcommand --help . b4 mbox public-inbox . mbox . msgid URL public-inbox stdin . b4 mbox --help . b4 mbox [msgid] public-inbox .mbox. b4 mbox -m ~/Mail [msgid] ~/Mail .mbox. b4 mbox -fo ~/Mail [public-inbox-url] public-inbox . b4 am public-inbox "git am" . : o ( -c ) o DKIM patatt o (Reviewed-by Acked-by ) o Signed-off-by ( -s) o ( v2 ) o ( -g) o ( -3) o (cherry-pick) ( -P) : ( ) b4 shazam . b4 am --help . b4 am -sl [msgid] public-inbox Signed-Off-By Link: .mbox "git am". b4 am -sl -P 1-3 [msgid] . b4 am -3 [msgid] (index blobs). b4 am --check [msgid] . b4.am-perpatch-check-cmd . checkpatch.pl . b4 shazam b4 am git am . -H FETCH_HEAD pull request . B4 . git-merge -H -M . B4 . -H --resolve . : -M -H base-commit . b4 shazam --help . b4 shazam -sl -M [msgid] public-inbox Signed-Off-By Link: . b4 shazam -sl -M --merge-base v6.4-rc4 [msgid] . b4 pr git-request-pull . git : o git fetch pull o pull request o b4 ty b4 pr --help . b4 pr [msgid] pull-request . b4 ty << >> (patch-id) . . -S [sendemail] . b4 ty .thanks mutt -f thanks.file . b4 ty --help . b4 ty -a -S . b4 ty -a -S --dry-run . b4 diff diff git range-diff . range-diff . b4 diff --help . b4 diff [msgid-of-vN] msgid . git range-diff . b4 dig public-inbox . : o patch-id ( diff ) o o From: ( ) --all b4 change-id . b4 dig --help . b4 dig [commit] . b4 dig -a [commit] . b4 dig -w [commit] To/Cc . b4 dig -m /tmp/thread.mbx [commit] mbox. b4 kr . : b4 . b4 kr --help . b4 kr --show-keys [msgid] . b4 review () : . . TUI . () . : TUI . b4 review --help b4 review --help . b4 review enroll . b4 review track (message-id) (URL) (change-id). b4 review tui (TUI) . b4 prep, trailers, send . : b4 prep --help b4 trailers --help b4 send --help . b4 prep -n my-new-feature -f v6.4-rc4 v6.4-rc4 . b4 prep --edit-cover . . b4 prep --auto-to-cc . b4 prep --check . checkpatch.pl . b4 send -o /tmp/outdir b4 . . b4 send --preview-to [addr1@example.com addr2@example.com] "" (upstream). b4 trailers -u . (CONFIGURATION) B4 git-config(1) $HOME/.gitconfig .git/config . . (PROXYING REQUESTS) HTTP HTTPS_PROXY . (SUPPORT) . (AUTHOR) mricon@kernel.org : GPLv2+ (COPYRIGHT) (The Linux Foundation) 0.15 2026-03-16 B4(1)