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Thales Maciel 775525b592
cli,doctor: --version flag + CLI/install drift check 
Two pre-release polish items on the version-display surface.

  * --version on both binaries: cobra's Version field on the banger
    and bangerd roots renders a one-line summary (banger v0.1.0
    (commit abcd1234, built 2026-04-28T20:45:50Z)). The
    SetVersionTemplate override drops cobra's "{{.Name}} version"
    prefix — our string is already a complete sentence. The
    multi-line `banger version` subcommand is unchanged for callers
    that want the full SHA / built_at on separate lines.
  * Doctor "banger version" row: prints the running CLI's version +
    short commit + built-at, plus what /etc/banger/install.toml
    recorded at install time. Disagreement is the most common
    version-skew pitfall (stale CLI against fresh daemon, or vice
    versa) and a one-line warn is friendlier than tracking that down
    from a launch failure.
    Drift detection is suppressed when either side is dev/unknown
    (untagged build) — comparing a dev CLI against a tagged install
    is the developer-machine case, not a real problem.

formatVersionLine is in internal/cli (banger.go) and reused by
bangerd.go via a strings.Replace because bangerd's version line
should say "bangerd" not "banger". Slightly tilt-feeling but cheaper
than parameterising the helper for one caller.

Tests: TestVersionsDriftToleratesDevAndUnknown pins the four
branches (match, version diff, commit diff, dev-suppression). The
existing version-format test already runs through formatVersionLine
indirectly.

Live exercise:
  $ banger --version
  banger dev (commit 1c1ca7d6, built 2026-04-28T20:52:33Z)
  $ bangerd --version
  bangerd dev (commit 1c1ca7d6, built 2026-04-28T20:52:33Z)
  $ banger doctor | head
  ...
  PASS	banger version
    - CLI dev (commit 1c1ca7d6, built 2026-04-28T20:52:33Z)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-28 17:53:32 -03:00
..
dmsnap test: cover imagemgr + dmsnap helpers 2026-04-28 15:13:49 -03:00
fcproc roothelper: tighten input validation across privileged RPCs 2026-04-28 14:39:41 -03:00
imagemgr test: cover imagemgr + dmsnap helpers 2026-04-28 15:13:49 -03:00
opstate coverage: medium batch — hostnat runner, store guest-sessions, daemon helpers 2026-04-18 18:03:37 -03:00
workspace seams: move the last four package globals onto instance fields 2026-04-22 12:07:14 -03:00
ARCHITECTURE.md daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
autopull_test.go daemon: build a work-seed during image pull, refresh doctor check 2026-04-23 20:24:10 -03:00
capabilities.go daemon: surface previously-swallowed errors at warn 2026-04-26 22:30:51 -03:00
capabilities_test.go daemon: doctor passes vm dns when banger itself owns the port 2026-04-26 18:57:27 -03:00
concurrency_test.go daemon: build a work-seed during image pull, refresh doctor check 2026-04-23 20:24:10 -03:00
daemon.go cli,docs: trivial polish for v0.1.0 2026-04-28 17:31:54 -03:00
daemon_test.go roothelper: tighten input validation across privileged RPCs 2026-04-28 14:39:41 -03:00
daemon_testing_test.go test: add newTestDaemon harness + options 2026-04-22 17:45:43 -03:00
dispatch.go image: add banger image cache prune for OCI cache cleanup 2026-04-28 16:32:57 -03:00
dispatch_test.go image: add banger image cache prune for OCI cache cleanup 2026-04-28 16:32:57 -03:00
dns_routing.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
dns_routing_test.go seams: move the last four package globals onto instance fields 2026-04-22 12:07:14 -03:00
doc.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
doctor.go cli,doctor: --version flag + CLI/install drift check 2026-04-28 17:53:32 -03:00
doctor_test.go cli,doctor: --version flag + CLI/install drift check 2026-04-28 17:53:32 -03:00
fake_firecracker_test.go remove vm session feature 2026-04-20 12:47:58 -03:00
fastpath_test.go daemon: build the work disk fresh instead of cloning the seed file 2026-04-26 20:42:10 -03:00
guest_ssh.go remove vm session feature 2026-04-20 12:47:58 -03:00
host_network.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
image_cache.go image: add banger image cache prune for OCI cache cleanup 2026-04-28 16:32:57 -03:00
image_cache_test.go image: add banger image cache prune for OCI cache cleanup 2026-04-28 16:32:57 -03:00
image_seed.go daemon: serialise concurrent image/kernel pulls + atomic-rename seed refresh 2026-04-27 17:24:11 -03:00
image_service.go daemon: tighten concurrency around pulls, cleanup, and handle persistence 2026-04-27 19:32:43 -03:00
images.go daemon: tighten concurrency around pulls, cleanup, and handle persistence 2026-04-27 19:32:43 -03:00
images_helpers_test.go coverage: medium batch — hostnat runner, store guest-sessions, daemon helpers 2026-04-18 18:03:37 -03:00
images_pull.go daemon: build a work-seed during image pull, refresh doctor check 2026-04-23 20:24:10 -03:00
images_pull_bundle_test.go daemon: build a work-seed during image pull, refresh doctor check 2026-04-23 20:24:10 -03:00
images_pull_test.go daemon: build a work-seed during image pull, refresh doctor check 2026-04-23 20:24:10 -03:00
kernels.go daemon: tighten concurrency around pulls, cleanup, and handle persistence 2026-04-27 19:32:43 -03:00
kernels_test.go daemon split (6/n): extract wireServices + drop lazy service getters 2026-04-21 15:55:28 -03:00
lifecycle_flow_test.go test: end-to-end VMService lifecycle flow harness 2026-04-22 17:55:04 -03:00
logger.go cli,docs: trivial polish for v0.1.0 2026-04-28 17:31:54 -03:00
logger_test.go seams: move the last four package globals onto instance fields 2026-04-22 12:07:14 -03:00
nat.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
nat_capability_test.go daemon: persist tap device on VM.Runtime so NAT teardown survives handle-cache loss 2026-04-23 14:21:13 -03:00
nat_test.go vm state: split transient kernel/process handles off the durable schema 2026-04-19 14:18:13 -03:00
open_close_test.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
preflight.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
privileged_ops.go firecracker: adopt firecracker-jailer for VM launch (Phase B) 2026-04-28 14:38:07 -03:00
runtime_assets.go daemon split (4/5): extract *VMService service 2026-04-20 20:57:05 -03:00
snapshot.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
snapshot_test.go daemon split (6/n): extract wireServices + drop lazy service getters 2026-04-21 15:55:28 -03:00
ssh_client_config.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
ssh_client_config_test.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
sshd_config_test.go daemon: delete flattenNestedWorkHome and normaliseHomeDirPerms 2026-04-23 18:33:06 -03:00
stats_service.go daemon: thread per-RPC op_id end-to-end 2026-04-26 22:13:44 -03:00
stats_service_test.go daemon: extract StatsService sibling; shrink VMService's surface 2026-04-23 15:46:59 -03:00
tap_pool.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
vm.go firecracker: adopt firecracker-jailer for VM launch (Phase B) 2026-04-28 14:38:07 -03:00
vm_authsync.go daemon: split owner daemon from root helper 2026-04-26 12:43:17 -03:00
vm_create.go daemon: tighten concurrency around pulls, cleanup, and handle persistence 2026-04-27 19:32:43 -03:00
vm_create_ops.go daemon: thread per-RPC op_id end-to-end 2026-04-26 22:13:44 -03:00
vm_create_test.go model: validate VM names as DNS labels at CLI + daemon 2026-04-23 14:06:40 -03:00
vm_disk.go system: mkfs work disks with lazy_itable_init + lazy_journal_init 2026-04-26 21:32:57 -03:00
vm_handles.go daemon: tighten concurrency around pulls, cleanup, and handle persistence 2026-04-27 19:32:43 -03:00
vm_handles_test.go daemon: persist teardown fallbacks and reject unsafe import paths 2026-04-23 16:21:59 -03:00
vm_lifecycle.go daemon: sync guest over ssh before stop to preserve workspace writes 2026-04-27 15:41:32 -03:00
vm_lifecycle_steps.go firecracker: adopt firecracker-jailer for VM launch (Phase B) 2026-04-28 14:38:07 -03:00
vm_lifecycle_steps_test.go daemon: extract startVMLocked into step runner with per-step rollback 2026-04-23 15:34:34 -03:00
vm_locks.go Move subsystem state/locks off Daemon into owning types 2026-04-15 15:58:33 -03:00
vm_service.go daemon: thread per-RPC op_id end-to-end 2026-04-26 22:13:44 -03:00
vm_set.go daemon: thread per-RPC op_id end-to-end 2026-04-26 22:13:44 -03:00
vm_test.go roothelper: tighten input validation across privileged RPCs 2026-04-28 14:39:41 -03:00
workspace.go feat(vm): add vm exec command with workspace dirty detection 2026-04-26 23:53:45 -03:00
workspace_rejection_test.go tests: targeted coverage for doctor, workspace rejections, and nat capability 2026-04-22 12:58:12 -03:00
workspace_service.go daemon: thread per-RPC op_id end-to-end 2026-04-26 22:13:44 -03:00
workspace_test.go feat(vm): add vm exec command with workspace dirty detection 2026-04-26 23:53:45 -03:00