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|
;;; Guile-Git --- GNU Guile bindings of libgit2
;;; Copyright © 2016 Amirouche Boubekki <amirouche@hypermove.net>
;;; Copyright © 2016, 2017 Erik Edrosa <erik.edrosa@gmail.com>
;;; Copyright © 2018, 2021, 2024 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Guile-Git.
;;;
;;; Guile-Git is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; Guile-Git is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Guile-Git. If not, see <http://www.gnu.org/licenses/>.
(define-module (git repository)
#:use-module (rnrs bytevectors)
#:use-module (system foreign)
#:use-module (ice-9 match)
#:use-module (git bindings)
#:use-module (git types)
#:use-module (git reference)
#:export (repository-config
repository-config-snapshot
repository-detach-head
repository-discover
repository-get-namespace
repository-head
repository-head-detached?
repository-head-unborn?
repository-ident
repository-index
repository-init
repository-bare?
repository-empty?
repository-shallow?
repository-open
repository-open-ext
openable-repository?
repository-close!
repository-directory
repository-common-directory
repository-refdb
repository-set-ident
repository-state
repository-working-directory
pointer->repository!))
;;; repository
(define repository-config
(let ((proc (libgit2->procedure* "git_repository_config" '(* *))))
(lambda (repository)
(let ((out (make-double-pointer)))
(proc out (repository->pointer repository))
(pointer->config (dereference-pointer out))))))
(define repository-config-snapshot
(let ((proc (libgit2->procedure* "git_repository_config_snapshot" '(* *))))
(lambda (repository)
(let ((out (make-double-pointer)))
(proc out (repository->pointer repository))
(pointer->config (dereference-pointer out))))))
(define repository-detach-head
(let ((proc (libgit2->procedure* "git_repository_detach_head" '(*))))
(lambda (repository)
(proc (repository->pointer repository)))))
(define repository-discover
(let ((proc (libgit2->procedure* "git_repository_discover" `(* * ,int *))))
(lambda* (start-directory #:optional (across-fs #t) ceiling-path)
(let ((out (make-buffer)))
(proc out
(string->pointer start-directory)
(if across-fs 1 0)
(if ceiling-path
(string->pointer ceiling-path)
%null-pointer))
(let ((out* (buffer-content/string out)))
(free-buffer out)
out*)))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_fetchhead_foreach
(define %repository-free (libgit2->pointer "git_repository_free"))
(define (pointer->repository! pointer)
(set-pointer-finalizer! pointer %repository-free)
(pointer->repository pointer))
(define repository-get-namespace
(let ((proc (libgit2->procedure '* "git_repository_get_namespace" '(*))))
(lambda (repository)
(let ((res (proc (repository->pointer repository))))
(if (null-pointer? res)
#f
(pointer->string res))))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_hashfile
(define repository-head
(let ((proc (libgit2->procedure* "git_repository_head" '(* *))))
(lambda (repository)
(let ((out (make-double-pointer)))
(proc out (repository->pointer repository))
(pointer->reference! (dereference-pointer out))))))
(define repository-head-detached?
(let ((proc (libgit2->procedure int "git_repository_head_detached" '(*))))
(lambda (repository)
(case (proc (repository->pointer repository))
((0) #f)
((1) #t)
(else => (lambda (code) (raise-git-error code)))))))
(define repository-head-unborn?
(let ((proc (libgit2->procedure int "git_repository_head_unborn" '(*))))
(lambda (repository)
(case (proc (repository->pointer repository))
((0) #f)
((1) #t)
(else => (lambda (code) (raise-git-error code)))))))
(define repository-ident
(let ((proc (libgit2->procedure* "git_repository_ident" '(* * *))))
(lambda (repository)
(let* ((name (make-bytevector (sizeof '*)))
(email (make-bytevector (sizeof '*))))
(proc name email (repository->pointer repository))
(values (pointer->string (make-pointer (u64vector-ref name 0)))
(pointer->string (make-pointer (u64vector-ref email 0))))))))
(define repository-index
(let ((proc (libgit2->procedure* "git_repository_index" '(* *))))
(lambda (repository)
(let ((out (make-double-pointer)))
(proc out (repository->pointer repository))
(pointer->index (dereference-pointer out))))))
(define repository-init
(let ((proc (libgit2->procedure* "git_repository_init" `(* * ,int))))
(lambda* (directory #:optional (is-bare #f))
"Creates a new repository at DIRECTORY.
If IS-BARE is #t the repository will be created without a working
directory, #f will create a .git directory and DIRECTORY will be
the working directory. The default value is #f.
Returns the repository on success or throws an error on failure."
(let ((out (make-double-pointer)))
(proc out (string->pointer directory) (if is-bare 1 0))
(pointer->repository! (dereference-pointer out))))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_init_ext
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_init_init_options
(define repository-bare?
(let ((proc (libgit2->procedure int "git_repository_is_bare" '(*))))
(lambda (repository)
"Check if REPOSITORY is a bare repository. A bare repository is
a repository without a working directory."
(= (proc (repository->pointer repository)) 1))))
(define repository-empty?
(let ((proc (libgit2->procedure int "git_repository_is_empty" '(*))))
(lambda (repository)
"Check if REPOSITORY is an empty repository. A empty repository is
a repository which was recently initialized."
(= (proc (repository->pointer repository)) 1))))
(define repository-shallow?
(let ((proc (libgit2->procedure int "git_repository_is_shallow" '(*))))
(lambda (repository)
"Check if REPOSITORY is a shallow clone. A shallow clone is a
repository with a truncated history."
(= (proc (repository->pointer repository)) 1))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_mergehead_foreach
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_message
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_message_remove
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_new
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_odb
(define repository-open
(let ((proc (libgit2->procedure* "git_repository_open" '(* *))))
(lambda (directory)
"Open repository found at DIRECTORY.
Returns a repository or throws an error if no repository could be found."
(let ((out (make-double-pointer)))
(proc out (string->pointer directory))
(pointer->repository! (dereference-pointer out))))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_open_bare
(define REPOSITORY_OPEN_NO_SEARCH (ash #b1 0))
(define REPOSITORY_OPEN_CROSS_FS (ash #b1 1))
(define REPOSITORY_OPEN_BARE (ash #b1 2))
(define REPOSITORY_OPEN_NO_DOTGIT (ash #b1 3))
(define REPOSITORY_OPEN_FROM_ENV (ash #b1 4))
(define repository-open-ext
(let ((proc (libgit2->procedure* "git_repository_open_ext" `(* * ,unsigned-int *))))
(lambda* (directory flags #:optional (ceiling-path '()))
"Find and open a repository at DIRECTORY with extended controls.
DIRECTORY may be a subdirectory of the repository and searches parent
directories for the repository unless 'no-search flag is used. DIRECTORY
may also be #f when using 'from-env flag.
FLAGS is a list of the following symbols:
* 'no-search - Do not search parent directories.
* 'cross-fs - Search across filesystem boundaries.
* 'bare - Open repository as a bare repo.
* 'no-.git - Do not check by appending .git to directory.
* 'from-env - Use git environment variables.
CEILING-PATH is an optional list of directory names where the search should
terminate.
Returns the repository or throws an error if no repository could be found."
(let ((out (make-double-pointer)))
(proc out (if directory (string->pointer directory) %null-pointer)
(apply logior
(map (match-lambda
('no-search REPOSITORY_OPEN_NO_SEARCH)
('cross-fs REPOSITORY_OPEN_CROSS_FS)
('bare REPOSITORY_OPEN_BARE)
('no-.git REPOSITORY_OPEN_NO_DOTGIT)
('from-env REPOSITORY_OPEN_FROM_ENV))
flags))
(make-path ceiling-path))
(pointer->repository! (dereference-pointer out))))))
(define openable-repository?
(let ((proc (libgit2->procedure* "git_repository_open_ext" `(* * ,unsigned-int *))))
(lambda (directory)
(catch 'git-error
(lambda ()
(proc %null-pointer (string->pointer directory)
REPOSITORY_OPEN_NO_SEARCH %null-pointer)
#t)
(lambda _ #f)))))
(define repository-close!
(let ((proc (libgit2->procedure void "git_repository__cleanup" '(*))))
(lambda (repository)
"Explicitly free resources associated with REPOSITORY---file
descriptors, mmap'd memory, etc.---without freeing REPOSITORY itself. The
return value is unspecified."
(proc (repository->pointer repository)))))
(define repository-directory
(let ((proc (libgit2->procedure '* "git_repository_path" '(*))))
(lambda (repository)
(pointer->string (proc (repository->pointer repository))))))
(define repository-common-directory
(let ((proc (libgit2->procedure '* "git_repository_commondir" '(*))))
(lambda (repository)
"Return the name of the shared common directory for REPOSITORY. If REPOSITORY
is bare, it is the root directory for the repository. If REPOSITORY is a
worktree, it is the parent repo's '.git' directory. Otherwise, it is the
'.git' directory."
(pointer->string (proc (repository->pointer repository))))))
(define repository-refdb
(let ((proc (libgit2->procedure* "git_repository_refdb" `(* *))))
(lambda (repository)
(let ((out (make-double-pointer)))
(proc out (repository->pointer repository))
(pointer->refdb (dereference-pointer out))))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_reinit_filesystem
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_bare
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_config
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_head
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_head_detached
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_head_detached_from_annotated
(define repository-set-ident
(let ((proc (libgit2->procedure* "git_repository_set_ident" '(* * *))))
(lambda (repository name email) ;;; FIXE: make name and email optional
(proc (repository->pointer repository)
(string->pointer name "UTF-8")
(string->pointer email "UTF-8")))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_index
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_namespace
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_odb
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_refdb
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_set_workdir
(define (int->repository-state n)
(case n
((0) 'repository-state/none)
((1) 'repository-state/merge)
((2) 'repository-state/revert)
((3) 'repository-state/revert-sequence)
((4) 'repository-state/cherrypick)
((5) 'repository-state/cherrypick-sequence)
((6) 'repository-state/bisect)
((7) 'repository-state/rebase)
((8) 'repository-state/rebase-interactive)
((9) 'repository-state/rebase-merge)
((10) 'repository-state/apply-mailbox)
((11) 'repository-state/apply-mailbox-or-rebase)))
;; Returns the state of REPOSITORY. The state is a symbol representing
;; an operation in progress like merge, revert, rebase, etc.
(define repository-state
(let ((proc (libgit2->procedure int "git_repository_state" '(*))))
(lambda (repository)
(int->repository-state (proc (repository->pointer repository))))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_state_cleanup
(define repository-working-directory
(let ((proc (libgit2->procedure '* "git_repository_workdir" '(*))))
(lambda (repository)
"Returns the working directory for REPOSITORY or #f if REPOSITORY is
a bare repository."
(let ((dir (proc (repository->pointer repository))))
(and (not (null-pointer? dir))
(pointer->string dir))))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/repository/git_repository_wrap_odb
|
