Commit Graph

2926 Commits

Author SHA1 Message Date
ed1b87ef91 Merge branch 'ab/simplify-perl-makefile'
The build procedure for perl/ part has been greatly simplified by
weaning ourselves off of MakeMaker.

* ab/simplify-perl-makefile:
  perl: treat PERLLIB_EXTRA as an extra path again
  perl: avoid *.pmc and fix Error.pm further
  Makefile: replace perl/Makefile.PL with simple make rules
2018-02-13 13:39:03 -08:00
fbd7a23237 rebase: introduce and use pseudo-ref REBASE_HEAD
The new command `git rebase --show-current-patch` is useful for seeing
the commit related to the current rebase state. Some however may find
the "git show" command behind it too limiting. You may want to
increase context lines, do a diff that ignores whitespaces...

For these advanced use cases, the user can execute any command they
want with the new pseudo ref REBASE_HEAD.

This also helps show where the stopped commit is from, which is hard
to see from the previous patch which implements --show-current-patch.

Helped-by: Tim Landscheidt <tim@tim-landscheidt.de>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-12 14:07:59 -08:00
66335298a4 rebase: add --show-current-patch
It is useful to see the full patch while resolving conflicts in a
rebase. The only way to do it now is

    less .git/rebase-*/patch

which could turn out to be a lot longer to type if you are in a
linked worktree, or not at top-dir. On top of that, an ordinary user
should not need to peek into .git directory. The new option is
provided to examine the patch.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-12 14:07:59 -08:00
984913a210 am: add --show-current-patch
Pointing the user to $GIT_DIR/rebase-apply may encourage them to mess
around in there, which is not a good thing. With this, the user does
not have to keep the path around somewhere (because after a couple of
commands, the path may be out of scrollback buffer) when they need to
look at the patch.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-12 14:07:59 -08:00
cc73385cf6 worktree remove: new command
This command allows to delete a worktree. Like 'move' you cannot
remove the main worktree, or one with submodules inside [1].

For deleting $GIT_WORK_TREE, Untracked files or any staged entries are
considered precious and therefore prevent removal by default. Ignored
files are not precious.

When it comes to deleting $GIT_DIR, there's no "clean" check because
there should not be any valuable data in there, except:

- HEAD reflog. There is nothing we can do about this until somebody
  steps up and implements the ref graveyard.

- Detached HEAD. Technically it can still be recovered. Although it
  may be nice to warn about orphan commits like 'git checkout' does.

[1] We do 'git status' with --ignore-submodules=all for safety
    anyway. But this needs a closer look by submodule people before we
    can allow deletion. For example, if a submodule is totally clean,
    but its repo not absorbed to the main .git dir, then deleting
    worktree also deletes the valuable .submodule repo too.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-12 13:13:35 -08:00
9f792bb472 worktree move: new command
This command allows to relocate linked worktrees. Main worktree cannot
(yet) be moved.

There are two options to move the main worktree, but both have
complications, so it's not implemented yet. Anyway the options are:

- convert the main worktree to a linked one and move it away, leave
  the git repository where it is. The repo essentially becomes bare
  after this move.

- move the repository with the main worktree. The tricky part is make
  sure all file descriptors to the repository are closed, or it may
  fail on Windows.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-12 13:13:35 -08:00
97716d217c fetch: add a --prune-tags option and fetch.pruneTags config
Add a --prune-tags option to git-fetch, along with fetch.pruneTags
config option and a -P shorthand (-p is --prune). This allows for
doing any of:

    git fetch -p -P
    git fetch --prune --prune-tags
    git fetch -p -P origin
    git fetch --prune --prune-tags origin

Or simply:

    git config fetch.prune true &&
    git config fetch.pruneTags true &&
    git fetch

Instead of the much more verbose:

    git fetch --prune origin 'refs/tags/*:refs/tags/*' '+refs/heads/*:refs/remotes/origin/*'

Before this feature it was painful to support the use-case of pulling
from a repo which is having both its branches *and* tags deleted
regularly, and have our local references to reflect upstream.

At work we create deployment tags in the repo for each rollout, and
there's *lots* of those, so they're archived within weeks for
performance reasons.

Without this change it's hard to centrally configure such repos in
/etc/gitconfig (on servers that are only used for working with
them). You need to set fetch.prune=true globally, and then for each
repo:

    git -C {} config --replace-all remote.origin.fetch "refs/tags/*:refs/tags/*" "^\+*refs/tags/\*:refs/tags/\*$"

Now I can simply set fetch.pruneTags=true in /etc/gitconfig as well,
and users running "git pull" will automatically get the pruning
semantics I want.

Even though "git remote" has corresponding "prune" and "update
--prune" subcommands I'm intentionally not adding a corresponding
prune-tags or "update --prune --prune-tags" mode to that command.

It's advertised (as noted in my recent "git remote doc: correct
dangerous lies about what prune does") as only modifying remote
tracking references, whereas any --prune-tags option is always going
to modify what from the user's perspective is a local copy of the tag,
since there's no such thing as a remote tracking tag.

Ideally add_prune_tags_to_fetch_refspec() would be something that
would use ALLOC_GROW() to grow the 'fetch` member of the 'remote'
struct. Instead I'm realloc-ing remote->fetch and adding the
tag_refspec to the end.

The reason is that parse_{fetch,push}_refspec which allocate the
refspec (ultimately remote->fetch) struct are called many places that
don't have access to a 'remote' struct. It would be hard to change all
their callsites to be amenable to carry around the bookkeeping
variables required for dynamic allocation.

All the other callers of the API first incrementally construct the
string version of the refspec in remote->fetch_refspec via
add_fetch_refspec(), before finally calling parse_fetch_refspec() via
some variation of remote_get().

It's less of a pain to deal with the one special case that needs to
modify already constructed refspecs than to chase down and change all
the other callsites. The API I'm adding is intentionally not
generalized because if we add more of these we'd probably want to
re-visit how this is done.

See my "Re: [BUG] git remote prune removes local tags, depending on
fetch config" (87po6ahx87.fsf@evledraar.gmail.com;
https://public-inbox.org/git/87po6ahx87.fsf@evledraar.gmail.com/) for
more background info.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 13:10:13 -08:00
fc3d4e0cbe completion: use __gitcomp_builtin in _git_worktree
The new completable options for "worktree add" are:

--checkout
--guess-remote
--lock
--track

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:53 -08:00
80eb51970d completion: use __gitcomp_builtin in _git_tag
The new completable options are:

--color
--format=
--ignore-case

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:53 -08:00
78331b6fb6 completion: use __gitcomp_builtin in _git_status
The new completable options are --null and --show-stash.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:53 -08:00
09e271adf1 completion: use __gitcomp_builtin in _git_show_branch
No new completable options!

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:53 -08:00
44c9a6d269 completion: use __gitcomp_builtin in _git_rm
No new completable options!

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:53 -08:00
e5f9851873 completion: use __gitcomp_builtin in _git_revert
The new completable option is --gpg-sign

In-progress options like --continue will be part of --git-completion-helper
then filtered out by _git_revert() unless the operation is in
progress. This helps keep marking of these operations in just one place.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:53 -08:00
39073104e2 completion: use __gitcomp_builtin in _git_reset
The new completable options are:

--intent-to-add
--quiet
--recurse-submodules

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
1b35475546 completion: use __gitcomp_builtin in _git_replace
The new completable option is --raw.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
ab6a11c580 completion: use __gitcomp_builtin in _git_remote
No new completable options!

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
f1e1bdd6bd completion: use __gitcomp_builtin in _git_push
The new completable options are:

--atomic
--exec=
--ipv4
--ipv6
--no-verify
--porcelain
--progress
--push-option
--signed

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
32e64e507b completion: use __gitcomp_builtin in _git_pull
This is really nice. Since pull_options[] already declares all
passthru options to 'merge' or 'fetch', a single

    git pull --git-completion-helper

would provide all completable options (--no- variants are a separate
issue). Dead shell variables can now be deleted.

New completable options are:

--allow-unrelated-histories
--ipv4
--ipv6
--jobs
--refmap=
--signoff
--strategy-option=

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
7a60e3bb83 completion: use __gitcomp_builtin in _git_notes
The new completable options are:

--allow-empty (notes add and notes append)
--for-rewrite= (notes copy)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
d73a59d12f completion: use __gitcomp_builtin in _git_name_rev
The new completable options are:

--always
--exclude
--name-only
--refs
--undefined

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
61d15cd63c completion: use __gitcomp_builtin in _git_mv
The new completable option is --verbose.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
4429d8b27b completion: use __gitcomp_builtin in _git_merge_base
The new completion option is --all.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
640c325b79 completion: use __gitcomp_builtin in _git_merge
New completable options are:

--allow-unrelated-histories
--message=
--overwrite-ignore
--signoff
--strategy-option=
--summary
--verify

The variable $__git_merge_options remains because _git_pull() still
needs it. It will soon be gone after _git_pull() is updated.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:52 -08:00
cdc71c1c5d completion: use __gitcomp_builtin in _git_ls_remote
The new completable options are --quiet and --upload-pack=.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
c893985d46 completion: use __gitcomp_builtin in _git_ls_files
The new completable options are:

--debug
--empty-directory
--eol
--recurse-submodules
--resolve-undo

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
b00116b791 completion: use __gitcomp_builtin in _git_init
The new completable option is --separate-git-dir=.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
8c13a8d7d8 completion: use __gitcomp_builtin in _git_help
No new completable options!

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
caf2de3390 completion: use __gitcomp_builtin in _git_grep
The new completable options are:

--after-context=
--before-context=
--color
--context
--exclude-standard
--quiet
--recurse-submodules
--textconv

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
7e1eeaa431 completion: use __gitcomp_builtin in _git_gc
The new completable option is --quiet.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
4d77dd9093 completion: use __gitcomp_builtin in _git_fsck
The new completable options are:

--connectivity-only
--dangling
--progress
--reflogs

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
554a1df49a completion: use __gitcomp_builtin in _git_fetch
New completable options:

--deepen=
--ipv4
--ipv6
--jobs=
--multiple
--progress
--refmap=
--shallow-exclude=
--shallow-since=
--update-head-ok

Since _git_pull() needs fetch options too, $__git_fetch_options
remains. This variable will soon be gone after _git_pull() is updated.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
6cc4bc15f9 completion: use __gitcomp_builtin in _git_difftool
Since we can't automatically extract diff options for completion yet,
difftool will take all options from $__git_diff_common_options. This
brings _a lot_ more completable options to difftool.

--ignore-submodules is added to $__git_diff_common_options to avoid
regression in difftool. But it's a good thing anyway even for other
diff commands.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
ddced834da completion: use __gitcomp_builtin in _git_describe
No new completable options!

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
5983ba0dc8 completion: use __gitcomp_builtin in _git_config
The new completable options are:

--blob=
--bool
--bool-or-int
--edit
--expiry-date
--get-color
--get-colorbool
--get-urlmatch
--includes
--int
--null
--path
--show-origin

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:51 -08:00
2e29dca66a completion: use __gitcomp_builtin in _git_commit
The new comletable options are:

--branch
--gpg-sign
--long
--no-post-rewrite
--null
--porcelain
--status

--allow-empty is no longer completable because it's a hidden option
since 4741edd549 (Remove deprecated OPTION_BOOLEAN for parsing arguments
- 2013-08-03)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
4304d3d144 completion: use __gitcomp_builtin in _git_clone
The new completable options are:

--config
--dissociate
--ipv4
--ipv6
--jobs=
--progress
--reference-if-able
--separate-git-dir=
--shallow-exclude
--shallow-since=
--verbose

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
26e90958e9 completion: use __gitcomp_builtin in _git_clean
The new completable options are --exclude and --interactive

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
660003e29a completion: use __gitcomp_builtin in _git_cherry_pick
The new completable options are:

--allow-empty
--allow-empty-message
--ff
--gpg-sign
--keep-redundant-commits
--strategy-option

In-progress options like --continue will be part of --git-completion-helper
then filtered out by _git_cherry_pick() unless the operation is in
progress. This helps keep marking of these operations in just one place.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
77afafb2e3 completion: use __gitcomp_builtin in _git_checkout
The new completable options are:

--ignore-other-worktrees
--progress

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
c01b56a3a8 completion: use __gitcomp_builtin in _git_branch
The new completable options are:

--all
--create-reflog
--format=
--ignore-case
--quiet

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
b8e9d66294 completion: use __gitcomp_builtin in _git_apply
The new completable options are:

--3way
--allow-overlap
--build-fake-ancestor=
--directory
--exclude
--include

--index-info is no longer completable but that's because it's renamed to
--build-fake-ancestor in 26b2800768 (apply: get rid of --index-info in
favor of --build-fake-ancestor - 2007-09-17)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
be3ce6b250 completion: use __gitcomp_builtin in _git_am
The new completable options are:

--directory
--exclude
--gpg-sign
--include
--keep-cr
--keep-non-patch
--message-id
--no-keep-cr
--patch-format
--quiet
--reject
--resolvemsg=

In-progress options like --continue will be part of --git-completion-helper
then filtered out by _git_am() unless the operation is in progress. This
helps keep marking of these operations in just one place.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
e1bea2c0d6 completion: use __gitcomp_builtin in _git_add
The new completable options are

--all
--ignore-missing
--ignore-removal
--renormalize
--verbose

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
d401f3debc git-completion.bash: introduce __gitcomp_builtin
This is a __gitcomp wrapper that will execute

    git ... --git-completion-helper

to get the list of completable options. The call will be made only
once and cached to avoid performance issues, especially on Windows.

__gitcomp_builtin() allows callers to change its output a bit by adding
some more options, or removing some.

- Current --git-completion-helper for example does not output --no-foo
  form, this has to be added manually by __gitcomp_builtin() callers
  when necessary

- Some options from --git-completion-helper should only be available in
  certain conditions (e.g. --continue and friends). __gitcomp_builtin()
  callers can remove them if the conditions are not met.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-09 10:24:50 -08:00
ae239fc8e5 cocci: simplify check for trivial format strings
353d84c537 (coccicheck: make transformation for strbuf_addf(sb, "...")
more precise) added a check to avoid transforming calls with format
strings which contain percent signs, as that would change the result.
It uses embedded Python code for that.  Simplify this rule by using the
regular expression matching operator instead.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-02 14:30:12 -08:00
7cc763aaa3 completion: fix completing merge strategies on non-C locales
The anchor string "Available strategies are:" is translatable so
__git_list_merge_strategies may fail to collect available strategies
from 'git merge' on non-C locales. Force C locale on this command.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-01-26 09:48:14 -08:00
cd9a4b6d93 cocci: use format keyword instead of a literal string
There's a rule in strbuf.cocci for converting trivial uses of
strbuf_addf() to strbuf_addstr() in order to simplify the code and
improve performance a bit.  Coccinelle 1.0.0~rc19.deb-3 on Travis CI
lets the "%s" in that rule match format strings like "%d" as well for
some reason, though, leading to invalid proposed patches.

Use the "format" keyword to let Coccinelle parse the format string and
match the conversion specifier with a trivial regular expression
instead.  This works fine with both Coccinelle 1.0.0~rc19.deb-3 and
1.0.4.deb-3+b3 (the current version on Debian testing).

Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Tested-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-01-19 11:27:14 -08:00
5abbdbbd9b Merge branch 'ra/prompt-eread-fix'
Update the shell prompt script (in contrib/) to strip trailing CR
from strings read from various "state" files.

* ra/prompt-eread-fix:
  git-prompt: fix reading files with windows line endings
  git-prompt: make __git_eread intended use explicit
2017-12-28 14:08:45 -08:00
20d2a30f8f Makefile: replace perl/Makefile.PL with simple make rules
Replace the perl/Makefile.PL and the fallback perl/Makefile used under
NO_PERL_MAKEMAKER=NoThanks with a much simpler implementation heavily
inspired by how the i18n infrastructure's build process works[1].

The reason for having the Makefile.PL in the first place is that it
was initially[2] building a perl C binding to interface with libgit,
this functionality, that was removed[3] before Git.pm ever made it to
the master branch.

We've since since started maintaining a fallback perl/Makefile, as
MakeMaker wouldn't work on some platforms[4]. That's just the tip of
the iceberg. We have the PM.stamp hack in the top-level Makefile[5] to
detect whether we need to regenerate the perl/perl.mak, which I fixed
just recently to deal with issues like the perl version changing from
under us[6].

There is absolutely no reason for why this needs to be so complex
anymore. All we're getting out of this elaborate Rube Goldberg machine
was copying perl/* to perl/blib/* as we do a string-replacement on
the *.pm files to hardcode @@LOCALEDIR@@ in the source, as well as
pod2man-ing Git.pm & friends.

So replace the whole thing with something that's pretty much a copy of
how we generate po/build/**.mo from po/*.po, just with a small sed(1)
command instead of msgfmt. As that's being done rename the files
from *.pm to *.pmc just to indicate that they're generated (see
"perldoc -f require").

While I'm at it, change the fallback for Error.pm from being something
where we'll ship our own Error.pm if one doesn't exist at build time
to one where we just use a Git::Error wrapper that'll always prefer
the system-wide Error.pm, only falling back to our own copy if it
really doesn't exist at runtime. It's now shipped as
Git::FromCPAN::Error, making it easy to add other modules to
Git::FromCPAN::* in the future if that's needed.

Functional changes:

 * This will not always install into perl's idea of its global
   "installsitelib". This only potentially matters for packagers that
   need to expose Git.pm for non-git use, and as explained in the
   INSTALL file there's a trivial workaround.

 * The scripts themselves will 'use lib' the target directory, but if
   INSTLIBDIR is set it overrides it. It doesn't have to be this way,
   it could be set in addition to INSTLIBDIR, but my reading of [7] is
   that this is the desired behavior.

 * We don't build man pages for all of the perl modules as we used to,
   only Git(3pm). As discussed on-list[8] that we were building
   installed manpages for purely internal APIs like Git::I18N or
   private-Error.pm was always a bug anyway, and all the Git::SVN::*
   ones say they're internal APIs.

   There are apparently external users of Git.pm, but I don't expect
   there to be any of the others.

   As a side-effect of these general changes the perl documentation
   now only installed by install-{doc,man}, not a mere "install" as
   before.

1. 5e9637c629 ("i18n: add infrastructure for translating Git with
   gettext", 2011-11-18)

2. b1edc53d06 ("Introduce Git.pm (v4)", 2006-06-24)

3. 18b0fc1ce1 ("Git.pm: Kill Git.xs for now", 2006-09-23)

4. f848718a69 ("Make perl/ build procedure ActiveState friendly.",
   2006-12-04)

5. ee9be06770 ("perl: detect new files in MakeMaker builds",
   2012-07-27)

6. c59c4939c2 ("perl: regenerate perl.mak if perl -V changes",
   2017-03-29)

7. 0386dd37b1 ("Makefile: add PERLLIB_EXTRA variable that adds to
   default perl path", 2013-11-15)

8. 87bmjjv1pu.fsf@evledraar.booking.com ("Re: [PATCH] Makefile:
   replace perl/Makefile.PL with simple make rules"

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-11 15:28:10 -08:00
041fe8fc83 git-prompt: fix reading files with windows line endings
If any of the files read by __git_eread have \r\n line endings, read
will only strip \n, leaving \r. This results in an ugly prompt, where
instead of

    user@pc MINGW64 /path/to/repo (BARE:master)

the last parenthesis is printed over the beginning of the prompt like

    )ser@pc MINGW64 /path/to/repo (BARE:master

This patch fixes the issue by changing the internal field separator
variable IFS to $'\r\n' before using the read builtin command.

Note that ANSI-C Quoting/POSIX Quoting ($'...') is supported by bash
as well as zsh, which are the current targets of git-prompt, cf.
contrib/completion/git-prompt.sh.

Signed-off-by: Robert Abel <rabel@robertabel.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-06 10:08:13 -08:00