Show all commands except debug commands

  $ hg debugcomplete

  add

  addremove

  annotate

  archive

  backout

  bisect

  bookmarks

  branch

  branches

  bundle

  cat

  clone

  commit

  config

  copy

  diff

  export

  files

  forget

  graft

  grep

  heads

  help

  identify

  import

  incoming

  init

  locate

  log

  manifest

  merge

  outgoing

  parents

  paths

  phase

  pull

  push

  recover

  remove

  rename

  resolve

  revert

  rollback

  root

  serve

  status

  summary

  tag

  tags

  tip

  unbundle

  update

  verify

  version

Show all commands that start with "a"

  $ hg debugcomplete a

  add

  addremove

  annotate

  archive

Do not show debug commands if there are other candidates

  $ hg debugcomplete d

  diff

Show debug commands if there are no other candidates

  $ hg debugcomplete debug

  debugancestor

  debugapplystreamclonebundle

  debugbuilddag

  debugbundle

  debugcapabilities

  debugcheckstate

  debugcolor

  debugcommands

  debugcomplete

  debugconfig

  debugcreatestreamclonebundle

  debugdag

  debugdata

  debugdate

  debugdeltachain

  debugdirstate

  debugdiscovery

  debugdownload

  debugextensions

  debugfileset

  debugformat

  debugfsinfo

  debuggetbundle

  debugignore

  debugindex

  debugindexdot

  debugindexstats

  debuginstall

  debugknown

  debuglabelcomplete

  debuglocks

  debugmanifestfulltextcache

  debugmergestate

  debugnamecomplete

  debugobsolete

  debugpathcomplete

  debugpeer

  debugpickmergetool

  debugpushkey

  debugpvec

  debugrebuilddirstate

  debugrebuildfncache

  debugrename

  debugrevlog

  debugrevlogindex

  debugrevspec

  debugserve

  debugsetparents

  debugssl

  debugsub

  debugsuccessorssets

  debugtemplate

  debuguigetpass

  debuguiprompt

  debugupdatecaches

  debugupgraderepo

  debugwalk

  debugwhyunstable

  debugwireargs

  debugwireproto

Do not show the alias of a debug command if there are other candidates

(this should hide rawcommit)

  $ hg debugcomplete r

  recover

  remove

  rename

  resolve

  revert

  rollback

  root

Show the alias of a debug command if there are no other candidates

  $ hg debugcomplete rawc

Show the global options

  $ hg debugcomplete --options | sort

  --color

  --config

  --cwd

  --debug

  --debugger

  --encoding

  --encodingmode

  --help

  --hidden

  --noninteractive

  --pager

  --profile

  --quiet

  --repository

  --time

  --traceback

  --verbose

  --version

  -R

  -h

  -q

  -v

  -y

Show the options for the "serve" command

  $ hg debugcomplete --options serve | sort

  --accesslog

  --address

  --certificate

  --cmdserver

  --color

  --config

  --cwd

  --daemon

  --daemon-postexec

  --debug

  --debugger

  --encoding

  --encodingmode

  --errorlog

  --help

  --hidden

  --ipv6

  --name

  --noninteractive

  --pager

  --pid-file

  --port

  --prefix

  --print-url

  --profile

  --quiet

  --repository

  --stdio

  --style

  --subrepos

  --templates

  --time

  --traceback

  --verbose

  --version

  --web-conf

  -6

  -A

  -E

  -R

  -S

  -a

  -d

  -h

  -n

  -p

  -q

  -t

  -v

  -y

Show an error if we use --options with an ambiguous abbreviation

  $ hg debugcomplete --options s

  hg: command 's' is ambiguous:

      serve showconfig status summary

  [255]

Show all commands + options

  $ hg debugcommands

  add: include, exclude, subrepos, dry-run

  addremove: similarity, subrepos, include, exclude, dry-run

  annotate: rev, follow, no-follow, text, user, file, date, number, changeset, line-number, skip, ignore-all-space, ignore-space-change, ignore-blank-lines, ignore-space-at-eol, include, exclude, template

  archive: no-decode, prefix, rev, type, subrepos, include, exclude

  backout: merge, commit, no-commit, parent, rev, edit, tool, include, exclude, message, logfile, date, user

  bisect: reset, good, bad, skip, extend, command, noupdate

  bookmarks: force, rev, delete, rename, inactive, list, template

  branch: force, clean, rev

  branches: active, closed, rev, template

  bundle: force, rev, branch, base, all, type, ssh, remotecmd, insecure

  cat: output, rev, decode, include, exclude, template

  clone: noupdate, updaterev, rev, branch, pull, uncompressed, stream, ssh, remotecmd, insecure

  commit: addremove, close-branch, amend, secret, edit, interactive, include, exclude, message, logfile, date, user, subrepos

  config: untrusted, edit, local, global, template

  copy: after, force, include, exclude, dry-run

  debugancestor: 

  debugapplystreamclonebundle: 

  debugbuilddag: mergeable-file, overwritten-file, new-file

  debugbundle: all, part-type, spec

  debugcapabilities: 

  debugcheckstate: 

  debugcolor: style

  debugcommands: 

  debugcomplete: options

  debugcreatestreamclonebundle: 

  debugdag: tags, branches, dots, spaces

  debugdata: changelog, manifest, dir

  debugdate: extended

  debugdeltachain: changelog, manifest, dir, template

  debugdirstate: nodates, dates, datesort

  debugdiscovery: old, nonheads, rev, ssh, remotecmd, insecure

  debugdownload: output

  debugextensions: template

  debugfileset: rev, all-files, show-matcher, show-stage

  debugformat: template

  debugfsinfo: 

  debuggetbundle: head, common, type

  debugignore: 

  debugindex: changelog, manifest, dir, template

  debugindexdot: changelog, manifest, dir

  debugindexstats: 

  debuginstall: template

  debugknown: 

  debuglabelcomplete: 

  debuglocks: force-lock, force-wlock, set-lock, set-wlock

  debugmanifestfulltextcache: clear, add

  debugmergestate: 

  debugnamecomplete: 

  debugobsolete: flags, record-parents, rev, exclusive, index, delete, date, user, template

  debugpathcomplete: full, normal, added, removed

  debugpeer: 

  debugpickmergetool: rev, changedelete, include, exclude, tool

  debugpushkey: 

  debugpvec: 

  debugrebuilddirstate: rev, minimal

  debugrebuildfncache: 

  debugrename: rev

  debugrevlog: changelog, manifest, dir, dump

  debugrevlogindex: changelog, manifest, dir, format

  debugrevspec: optimize, show-revs, show-set, show-stage, no-optimized, verify-optimized

  debugserve: sshstdio, logiofd, logiofile

  debugsetparents: 

  debugssl: 

  debugsub: rev

  debugsuccessorssets: closest

  debugtemplate: rev, define

  debuguigetpass: prompt

  debuguiprompt: prompt

  debugupdatecaches: 

  debugupgraderepo: optimize, run, backup

  debugwalk: include, exclude

  debugwhyunstable: 

  debugwireargs: three, four, five, ssh, remotecmd, insecure

  debugwireproto: localssh, peer, noreadstderr, nologhandshake, ssh, remotecmd, insecure

  diff: rev, change, text, git, binary, nodates, noprefix, show-function, reverse, ignore-all-space, ignore-space-change, ignore-blank-lines, ignore-space-at-eol, unified, stat, root, include, exclude, subrepos

  export: bookmark, output, switch-parent, rev, text, git, binary, nodates, template

  files: rev, print0, include, exclude, template, subrepos

  forget: interactive, include, exclude, dry-run

  graft: rev, base, continue, stop, abort, edit, log, no-commit, force, currentdate, currentuser, date, user, tool, dry-run

  grep: print0, all, diff, text, follow, ignore-case, files-with-matches, line-number, rev, all-files, user, date, template, include, exclude

  heads: rev, topo, active, closed, style, template

  help: extension, command, keyword, system

  identify: rev, num, id, branch, tags, bookmarks, ssh, remotecmd, insecure, template

  import: strip, base, edit, force, no-commit, bypass, partial, exact, prefix, import-branch, message, logfile, date, user, similarity

  incoming: force, newest-first, bundle, rev, bookmarks, branch, patch, git, limit, no-merges, stat, graph, style, template, ssh, remotecmd, insecure, subrepos

  init: ssh, remotecmd, insecure

  locate: rev, print0, fullpath, include, exclude

  log: follow, follow-first, date, copies, keyword, rev, line-range, removed, only-merges, user, only-branch, branch, prune, patch, git, limit, no-merges, stat, graph, style, template, include, exclude

  manifest: rev, all, template

  merge: force, rev, preview, abort, tool

  outgoing: force, rev, newest-first, bookmarks, branch, patch, git, limit, no-merges, stat, graph, style, template, ssh, remotecmd, insecure, subrepos

  parents: rev, style, template

  paths: template

  phase: public, draft, secret, force, rev

  pull: update, force, rev, bookmark, branch, ssh, remotecmd, insecure

  push: force, rev, bookmark, branch, new-branch, pushvars, publish, ssh, remotecmd, insecure

  recover: 

  remove: after, force, subrepos, include, exclude, dry-run

  rename: after, force, include, exclude, dry-run

  resolve: all, list, mark, unmark, no-status, re-merge, tool, include, exclude, template

  revert: all, date, rev, no-backup, interactive, include, exclude, dry-run

  rollback: dry-run, force

  root: 

  serve: accesslog, daemon, daemon-postexec, errorlog, port, address, prefix, name, web-conf, webdir-conf, pid-file, stdio, cmdserver, templates, style, ipv6, certificate, print-url, subrepos

  status: all, modified, added, removed, deleted, clean, unknown, ignored, no-status, terse, copies, print0, rev, change, include, exclude, subrepos, template

  summary: remote

  tag: force, local, rev, remove, edit, message, date, user

  tags: template

  tip: patch, git, style, template

  unbundle: update

  update: clean, check, merge, date, rev, tool

  verify: 

  version: template

  $ hg init a

  $ cd a

  $ echo fee > fee

  $ hg ci -q -Amfee

  $ hg tag fee

  $ mkdir fie

  $ echo dead > fie/dead

  $ echo live > fie/live

  $ hg bookmark fo

  $ hg branch -q fie

  $ hg ci -q -Amfie

  $ echo fo > fo

  $ hg branch -qf default

  $ hg ci -q -Amfo

  $ echo Fum > Fum

  $ hg ci -q -AmFum

  $ hg bookmark Fum