$ cat >> $HGRCPATH << EOF

  > [extensions]

  > githelp =

  > EOF

  $ hg init repo

  $ cd repo

  $ echo foo > test_file

  $ mkdir dir

  $ echo foo > dir/file

  $ echo foo > removed_file

  $ echo foo > deleted_file

  $ hg add -q .

  $ hg commit -m 'bar'

  $ hg bookmark both

  $ touch both

  $ touch untracked_file

  $ hg remove removed_file

  $ rm deleted_file

githelp on a single command should succeed

  $ hg githelp -- commit

  hg commit

  $ hg githelp -- git commit

  hg commit

githelp should fail nicely if we don't give it arguments

  $ hg githelp

  abort: missing git command - usage: hg githelp -- <git command>

  [255]

  $ hg githelp -- git

  abort: missing git command - usage: hg githelp -- <git command>

  [255]

githelp on a command with options should succeed

  $ hg githelp -- commit -pm "abc"

  hg commit --interactive -m 'abc'

githelp on a command with standalone unrecognized option should succeed with warning

  $ hg githelp -- commit -p -v

  ignoring unknown option -v

  hg commit --interactive

githelp on a command with unrecognized option packed with other options should fail with error

  $ hg githelp -- commit -pv

  abort: unknown option 'v' packed with other options

  (please try passing the option as its own flag: -v)

  [255]

githelp for git rebase --skip

  $ hg githelp -- git rebase --skip

  hg revert --all -r .

  hg rebase --continue

githelp for git commit --amend (hg commit --amend pulls up an editor)

  $ hg githelp -- commit --amend

  hg commit --amend

githelp for git commit --amend --no-edit (hg amend does not pull up an editor)

  $ hg githelp -- commit --amend --no-edit

  hg amend

githelp for git checkout -- . (checking out a directory)

  $ hg githelp -- checkout -- .

  note: use --no-backup to avoid creating .orig files

  hg revert .

githelp for git checkout "HEAD^" (should still work to pass a rev)

  $ hg githelp -- checkout "HEAD^"

  hg update .^

githelp checkout: args after -- should be treated as paths no matter what

  $ hg githelp -- checkout -- HEAD

  note: use --no-backup to avoid creating .orig files

  hg revert HEAD

githelp for git checkout with rev and path

  $ hg githelp -- checkout "HEAD^" -- file.txt

  note: use --no-backup to avoid creating .orig files

  hg revert -r .^ file.txt

githelp for git with rev and path, without separator

  $ hg githelp -- checkout "HEAD^" file.txt

  note: use --no-backup to avoid creating .orig files

  hg revert -r .^ file.txt

githelp for checkout with a file as first argument

  $ hg githelp -- checkout test_file

  note: use --no-backup to avoid creating .orig files

  hg revert test_file

githelp for checkout with a removed file as first argument

  $ hg githelp -- checkout removed_file

  note: use --no-backup to avoid creating .orig files

  hg revert removed_file

githelp for checkout with a deleted file as first argument

  $ hg githelp -- checkout deleted_file

  note: use --no-backup to avoid creating .orig files

  hg revert deleted_file

githelp for checkout with a untracked file as first argument

  $ hg githelp -- checkout untracked_file

  note: use --no-backup to avoid creating .orig files

  hg revert untracked_file

githelp for checkout with a directory as first argument

  $ hg githelp -- checkout dir

  note: use --no-backup to avoid creating .orig files

  hg revert dir

githelp for checkout when not in repo root

  $ cd dir

  $ hg githelp -- checkout file

  note: use --no-backup to avoid creating .orig files

  hg revert file

  $ cd ..

githelp for checkout with an argument that is both a file and a revision

  $ hg githelp -- checkout both

  hg update both

githelp for checkout with the -p option

  $ hg githelp -- git checkout -p xyz

  hg revert -i -r xyz

  $ hg githelp -- git checkout -p xyz -- abc

  note: use --no-backup to avoid creating .orig files

  hg revert -i -r xyz abc

githelp for checkout with the -f option and a rev

  $ hg githelp -- git checkout -f xyz

  hg update -C xyz

  $ hg githelp -- git checkout --force xyz

  hg update -C xyz

githelp for checkout with the -f option without an arg

  $ hg githelp -- git checkout -f

  hg revert --all

  $ hg githelp -- git checkout --force

  hg revert --all

githelp for grep with pattern and path

  $ hg githelp -- grep shrubbery flib/intern/

  hg grep shrubbery flib/intern/

githelp for reset, checking ~ in git becomes ~1 in mercurial

  $ hg githelp -- reset HEAD~

  hg update .~1

  $ hg githelp -- reset "HEAD^"

  hg update .^

  $ hg githelp -- reset HEAD~3

  hg update .~3

  $ hg githelp -- reset --mixed HEAD

  note: --mixed has no meaning since Mercurial has no staging area

  hg update .

  $ hg githelp -- reset --soft HEAD

  note: --soft has no meaning since Mercurial has no staging area

  hg update .

  $ hg githelp -- reset --hard HEAD

  hg update --clean .

githelp for git show --name-status

  $ hg githelp -- git show --name-status

  hg log --style status -r .

githelp for git show --pretty=format: --name-status

  $ hg githelp -- git show --pretty=format: --name-status

  hg status --change .

githelp for show with no arguments

  $ hg githelp -- show

  hg export

githelp for show with a path

  $ hg githelp -- show test_file

  hg cat test_file

githelp for show with not a path:

  $ hg githelp -- show rev

  hg export rev

githelp for show with many arguments

  $ hg githelp -- show argone argtwo

  hg export argone argtwo

  $ hg githelp -- show test_file argone argtwo

  hg cat test_file argone argtwo

githelp for show with --unified options

  $ hg githelp -- show --unified=10

  hg export --config diff.unified=10

  $ hg githelp -- show -U100

  hg export --config diff.unified=100

githelp for show with a path and --unified

  $ hg githelp -- show -U20 test_file

  hg cat test_file --config diff.unified=20

githelp for stash drop without name

  $ hg githelp -- git stash drop

  hg shelve -d <shelve name>

githelp for stash drop with name

  $ hg githelp -- git stash drop xyz

  hg shelve -d xyz

githelp for stash list with patch

  $ hg githelp -- git stash list -p

  hg shelve -l -p

githelp for stash show

  $ hg githelp -- git stash show

  hg shelve --stat

githelp for stash show with patch and name

  $ hg githelp -- git stash show -p mystash

  hg shelve -p mystash

githelp for stash clear

  $ hg githelp -- git stash clear

  hg shelve --cleanup

githelp for whatchanged should show deprecated message

  $ hg githelp -- whatchanged -p

  this command has been deprecated in the git project, thus isn't supported by this tool

githelp for git branch -m renaming

  $ hg githelp -- git branch -m old new

  hg bookmark -m old new

When the old name is omitted, git branch -m new renames the current branch.

  $ hg githelp -- git branch -m new

  hg bookmark -m `hg log -T"{activebookmark}" -r .` new

Branch deletion in git strips commits

  $ hg githelp -- git branch -d

  hg strip -B

  $ hg githelp -- git branch -d feature

  hg strip -B feature -B

  $ hg githelp -- git branch --delete experiment1 experiment2

  hg strip -B experiment1 -B experiment2 -B

githelp for reuse message using the shorthand

  $ hg githelp -- git commit -C deadbeef

  hg commit -M deadbeef

githelp for reuse message using the the long version

  $ hg githelp -- git commit --reuse-message deadbeef

  hg commit -M deadbeef

githelp for reuse message using HEAD

  $ hg githelp -- git commit --reuse-message HEAD~

  hg commit -M .~1

githelp for apply with no options

  $ hg githelp -- apply

  hg import --no-commit

githelp for apply with directory strip custom

  $ hg githelp -- apply -p 5

  hg import --no-commit -p 5

githelp for apply with prefix directory

  $ hg githelp -- apply --directory=modules

  hg import --no-commit --prefix modules

git merge-base

  $ hg githelp -- git merge-base --is-ancestor

  ignoring unknown option --is-ancestor

  note: ancestors() is part of the revset language

  (learn more about revsets with 'hg help revsets')

  hg log -T '{node}\n' -r 'ancestor(A,B)'

githelp for git blame

  $ hg githelp -- git blame

  hg annotate -udl

githelp for add

  $ hg githelp -- git add

  hg add

  $ hg githelp -- git add -p

  note: Mercurial will commit when complete, as there is no staging area in Mercurial

  hg commit --interactive

  $ hg githelp -- git add --all

  note: use hg addremove to remove files that have been deleted

  hg add

githelp for reflog

  $ hg githelp -- git reflog

  hg journal

  note: in hg commits can be deleted from repo but we always have backups

  $ hg githelp -- git reflog --all

  hg journal --all

  note: in hg commits can be deleted from repo but we always have backups

  $ hg githelp -- git log -Gnarf

  hg grep --diff narf

  $ hg githelp -- git log -S narf

  hg grep --diff narf

  $ hg githelp -- git log --pickaxe-regex narf

  hg grep --diff narf