1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
;;; Guile-Git --- GNU Guile bindings of libgit2
;;; Copyright © 2016 Amirouche Boubekki <amirouche@hypermove.net>
;;; Copyright © 2016, 2017 Erik Edrosa <erik.edrosa@gmail.com>
;;; Copyright © 2016, 2017, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; 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 bindings)
#:use-module (rnrs bytevectors)
#:use-module (system foreign)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:use-module (git configuration)
#:use-module (git types)
#:use-module (git structs)
#:export (libgit2->pointer
libgit2->procedure
raise-git-error
libgit2->procedure*
make-buffer
free-buffer
buffer-content
buffer-content/string
make-path
pointer->object!))
;; DRAFT!
(define path-separator ":")
(define (make-path dirs)
(reduce (lambda (dir path) (string-append path path-separator dir))
%null-pointer
dirs))
(define (libgit2->pointer name)
(catch #t
(lambda ()
(dynamic-func name (dynamic-link %libgit2)))
(lambda args
(lambda _
(throw 'system-error name "~A" (list (strerror ENOSYS))
(list ENOSYS))))))
(define (libgit2->procedure return name params)
(catch #t
(lambda ()
(let ((ptr (dynamic-func name (dynamic-link %libgit2))))
(pointer->procedure return ptr params)))
(lambda args
(lambda _
(throw 'system-error name "~A" (list (strerror ENOSYS))
(list ENOSYS))))))
(define last-git-error
(let ((proc (libgit2->procedure '* "giterr_last" '())))
(lambda (code)
"Return a <git-error> structure representing the last error, or #f."
(pointer->git-error (proc) code))))
(define (raise-git-error code)
"Raise a 'git-error' exception for the given code."
(throw 'git-error (last-git-error code)))
(define-inlinable (libgit2->procedure* name params)
(let ((proc (libgit2->procedure int name params)))
(lambda args
(let ((ret (apply proc args)))
(unless (zero? ret)
(raise-git-error ret))))))
;;; git-buf
(define %buffer-struct ;git_buf
(list '* size_t size_t))
(define (make-buffer)
(make-c-struct %buffer-struct `(,%null-pointer 0 0)))
(define free-buffer
(libgit2->procedure void "git_buf_free" '(*)))
(define (buffer-content buf)
(match (parse-c-struct buf %buffer-struct)
((pointer _ size)
(pointer->bytevector pointer size))))
(define (buffer-content/string buf)
(match (parse-c-struct buf %buffer-struct)
((pointer _ size)
(pointer->string pointer size "UTF-8"))))
;;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/config
;;; FIXME: descript_commit https://libgit2.github.com/libgit2/#HEAD/group/describe
;;; FIXME: diff https://libgit2.github.com/libgit2/#HEAD/group/diff
(define diff-free
(let ((proc (libgit2->procedure void "git_diff_free" '(*))))
(lambda (diff)
(proc (diff->pointer diff)))))
(define diff-get-delta
(let ((proc (libgit2->procedure '* "git_diff_get_delta" '(*))))
(lambda (diff)
(pointer->diff-delta (proc (diff->pointer diff))))))
(define diff-num-deltas
(let ((proc (libgit2->procedure size_t "git_diff_num_deltas" '(*))))
(lambda (diff)
(proc (diff->pointer diff)))))
;;; FIXME: fetch https://libgit2.github.com/libgit2/#HEAD/group/fetch
;;; FIXME: filter https://libgit2.github.com/libgit2/#HEAD/group/filter
;;; FIXME: giterr https://libgit2.github.com/libgit2/#HEAD/group/giterr
;;; FIXME: hashsig https://libgit2.github.com/libgit2/#HEAD/group/hashsig
;;; FIXME: ignore https://libgit2.github.com/libgit2/#HEAD/group/ignore
;;; FIXME: index https://libgit2.github.com/libgit2/#HEAD/group/index
;;; FIXME: indexer https://libgit2.github.com/libgit2/#HEAD/group/indexer
;;; libgit2
(define libgit2-features
(libgit2->procedure int "git_libgit2_features" '()))
(define-public libgit2-init!
(libgit2->procedure int "git_libgit2_init" '()))
(define-public libgit2-shutdown!
(libgit2->procedure int "git_libgit2_shutdown" '()))
(define libgit2-version
(let ((proc (libgit2->procedure void "git_libgit2_version" '(* * *))))
(lambda ()
(let ((major (make-double-pointer))
(minor (make-double-pointer))
(rev (make-double-pointer)))
(proc major minor rev)
(map (compose pointer-address dereference-pointer) (list major minor rev))))))
(define %object-free (libgit2->pointer "git_object_free"))
(define (pointer->object! pointer)
(set-pointer-finalizer! pointer %object-free)
(pointer->object pointer))
;;; FIXME: mempack https://libgit2.github.com/libgit2/#HEAD/group/mempack
;;; FIXME: merge https://libgit2.github.com/libgit2/#HEAD/group/merge
;;; FIXME: message https://libgit2.github.com/libgit2/#HEAD/group/message
;;; FIXME: note https://libgit2.github.com/libgit2/#HEAD/group/note
;;; object https://libgit2.github.com/libgit2/#HEAD/group/object
;;; FIXME: odb https://libgit2.github.com/libgit2/#HEAD/group/odb
;;; FIXME: packbuilder https://libgit2.github.com/libgit2/#HEAD/group/packbuilder
;;; FIXME: patch https://libgit2.github.com/libgit2/#HEAD/group/patch
(define patch-free
(let ((proc (libgit2->procedure void "git_patch_free" '(*))))
(lambda (patch)
(proc (patch->pointer patch)))))
(define patch->string
(let ((proc (libgit2->procedure* "git_patch_to_buf" '(*))))
(lambda (patch)
(let ((out (make-buffer)))
(proc out (patch->pointer patch))
(let ((out* (buffer-content/string out)))
(free-buffer out)
out*)))))
;;; FIXME: pathspec https://libgit2.github.com/libgit2/#HEAD/group/pathspec
;;; FIXME: proxy https://libgit2.github.com/libgit2/#HEAD/group/proxy
;;; FIXME: push https://libgit2.github.com/libgit2/#HEAD/group/push
;;; FIXME: rebase https://libgit2.github.com/libgit2/#HEAD/group/rebase
;;; FIXME: refdb https://libgit2.github.com/libgit2/#HEAD/group/refdb
;;; FIXME: reflog https://libgit2.github.com/libgit2/#HEAD/group/reflog
;;; FIXME: refspec https://libgit2.github.com/libgit2/#HEAD/group/refspec
;;; FIXME: remote https://libgit2.github.com/libgit2/#HEAD/group/remote
|
