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
|
-- Copyright (c) 2024 Florian Fischer. All rights reserved.
--
-- vis-lockfiles 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.
--
-- vis-lockfiles 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
-- vis-lockfiles found in the LICENSE file.
-- If not, see <https://www.gnu.org/licenses/>.
local source_str = debug.getinfo(1, 'S').source:sub(2)
local script_path = source_str:match('(.*/)')
local lockfiles = dofile(script_path .. 'lockfiles.lua')
local M = {}
M.directory = '${XDG_STATE_HOME:-${HOME}/.local/state}/vis/locks'
M.directory_expanded = nil
local function get_lock_dir()
if M.directory_expanded ~= M.directory then
M.directory = lockfiles.capture_cmd('printf %s "' .. M.directory .. '"')
M.directory_expanded = M.directory
end
return M.directory
end
-- get a user confirmation
-- return true if user selected yes, false otherwise
local function confirm(path)
local choices = 'no\nyes'
local prompt = path .. ' exists. Edit anyway:'
local cmd = 'printf "' .. choices .. '" | vis-menu -b -p \'' .. prompt .. '\''
local choice = nil
-- local status, output = vis:pipe(nil, {start = 0, finish = 0}, cmd)
local menu = assert(io.popen(cmd))
local output = menu:read('*a')
local _, _, status = menu:close()
if status == 0 then
-- trim newline from selection
if output:sub(-1) == '\n' then
choice = output:sub(1, -2)
else
choice = output
end
end
vis:redraw()
return choice == 'yes'
end
local created_locks = {}
vis.events.subscribe(vis.events.FILE_OPEN, function(file)
if not file.path then
return
end
local lfile_path = lockfiles.lock_file_path(get_lock_dir(), file.path)
if lockfiles.create_lock_file(get_lock_dir(), lfile_path) then
created_locks[lfile_path] = true
elseif not confirm(lfile_path) then
os.exit(1)
end
end)
vis.events.subscribe(vis.events.FILE_CLOSE, function(file)
if not file.path then
return
end
local lfile_path = lockfiles.lock_file_path(get_lock_dir(), file.path)
if created_locks[lfile_path] then
lockfiles.delete_lock_file(lfile_path)
created_locks[lfile_path] = nil
end
end)
return M
|
