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src: Introduce a -i suffix flag for filter backups

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This commit allows the user to chose to backup the files on which a
filter has been run, by specifying a suffix for the backup file. The
former implementation always backed up the files with a hardcoded
".kak-bak" suffix.

When no suffix is specified on the command line, the files are not
saved.

Fixes #1288
This commit is contained in:
Frank LENORMAND 2017-03-22 16:47:25 +03:00
parent 5a403a9611
commit 6b8587000b
1 changed files with 6 additions and 3 deletions
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9
src/main.cc
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@ -642,7 +642,7 @@ int run_server(StringView session,
return 0;
}
int run_filter(StringView keystr, StringView commands, ConstArrayView<StringView> files, bool quiet)
int run_filter(StringView keystr, StringView commands, ConstArrayView<StringView> files, bool quiet, StringView suffix_backup)
{
StringRegistry string_registry;
GlobalScope global_scope;
@ -689,7 +689,8 @@ int run_filter(StringView keystr, StringView commands, ConstArrayView<StringView
for (auto& file : files)
{
Buffer* buffer = open_file_buffer(file);
write_buffer_to_file(*buffer, file + ".kak-bak");
if (not suffix_backup.empty())
write_buffer_to_file(*buffer, file + suffix_backup);
apply_to_buffer(*buffer);
write_buffer_to_file(*buffer, file);
buffer_manager.delete_buffer(*buffer);
@ -796,6 +797,7 @@ int main(int argc, char* argv[])
{ "d", { false, "run as a headless session (requires -s)" } },
{ "p", { true, "just send stdin as commands to the given session" } },
{ "f", { true, "act as a filter, executing given keys on given files" } },
{ "i", { true, "backup the files on which a filter is applied using the given suffix" } },
{ "q", { false, "in filter mode, be quiet about errors applying keys" } },
{ "ui", { true, "set the type of user interface to use (ncurses, dummy, or json)" } },
{ "l", { false, "list existing sessions" } },
@ -862,7 +864,8 @@ int main(int argc, char* argv[])
files.emplace_back(parser[i]);
return run_filter(*keys, init_cmds, files,
(bool)parser.get_switch("q"));
(bool)parser.get_switch("q"),
parser.get_switch("i").value_or(StringView{}));
}
Vector<StringView> files;