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
|
/*
* Copyright (C) 2013 Stef Walter <stefw@redhat.com>
*
* SPDX-License-Identifier: LGPL-2.0+
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Stef Walter <stefw@redhat.com>
*/
#include "config.h"
#include "libglnx.h"
#include "otutil.h"
#include "ot-editor.h"
#include <sys/wait.h>
#include <string.h>
#ifndef DEFAULT_EDITOR
#define DEFAULT_EDITOR "vi"
#endif
/* Logic pulled from git */
static const char *
get_editor (void)
{
const char *editor = g_getenv ("OSTREE_EDITOR");
const char *terminal = g_getenv ("TERM");
int terminal_is_dumb = !terminal || g_str_equal (terminal, "dumb");
if (!editor && !terminal_is_dumb)
editor = g_getenv ("VISUAL");
if (!editor)
editor = g_getenv ("EDITOR");
if (!editor && terminal_is_dumb)
return NULL;
if (!editor)
editor = DEFAULT_EDITOR;
return editor;
}
char *
ot_editor_prompt (OstreeRepo *repo,
const char *input,
GCancellable *cancellable,
GError **error)
{
glnx_unref_object GSubprocess *proc = NULL;
g_autoptr(GFile) file = NULL;
g_autoptr(GFileIOStream) io = NULL;
GOutputStream *output;
const char *editor;
char *ret = NULL;
g_autofree char *args = NULL;
editor = get_editor ();
if (editor == NULL)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Terminal is dumb, but EDITOR unset");
goto out;
}
file = g_file_new_tmp (NULL, &io, error);
if (file == NULL)
goto out;
output = g_io_stream_get_output_stream (G_IO_STREAM (io));
if (!g_output_stream_write_all (output, input, strlen (input), NULL, cancellable, error) ||
!g_io_stream_close (G_IO_STREAM (io), cancellable, error))
goto out;
{
g_autofree char *quoted_file = g_shell_quote (gs_file_get_path_cached (file));
args = g_strconcat (editor, " ", quoted_file, NULL);
}
proc = g_subprocess_new (G_SUBPROCESS_FLAGS_STDIN_INHERIT, error,
"/bin/sh", "-c", args, NULL);
if (!g_subprocess_wait_check (proc, cancellable, error))
{
g_prefix_error (error, "There was a problem with the editor '%s'", editor);
goto out;
}
ret = glnx_file_get_contents_utf8_at (AT_FDCWD, gs_file_get_path_cached (file), NULL,
cancellable, error);
out:
if (file)
(void )g_file_delete (file, NULL, NULL);
return ret;
}
|
