From b531213d198405ba0ff1a2982d8b258fb10d7697 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= Date: Wed, 14 Dec 2016 13:37:47 +0100 Subject: vis: add new :set savemethod auto|atomic|inplace option Specifies how the current file should be saved, `atomic` which uses rename(2) to atomically replace the file, `inplace` which truncates the file and then rewrites it or `auto` which tries the former before falling back to the latter. The rename method fails for symlinks, hardlinks, in case of insufficient directory permissions or when either the file owner, group, POSIX ACL or SELinux labels can not be restored. The option defaults to `auto`. --- sam.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'sam.c') diff --git a/sam.c b/sam.c index 960c670..dc4023c 100644 --- a/sam.c +++ b/sam.c @@ -294,6 +294,7 @@ enum { OPTION_CURSOR_LINE, OPTION_COLOR_COLUMN, OPTION_HORIZON, + OPTION_SAVE_METHOD, }; static const OptionDef options[] = { @@ -372,6 +373,11 @@ static const OptionDef options[] = { OPTION_TYPE_NUMBER, OPTION_FLAG_WINDOW, "Number of bytes to consider for syntax highlighting", }, + [OPTION_SAVE_METHOD] = { + { "savemethod" }, + OPTION_TYPE_STRING, OPTION_FLAG_WINDOW, + "Save method to use for current file 'auto', 'atomic' or 'inplace'", + }, }; bool sam_init(Vis *vis) { @@ -1349,9 +1355,10 @@ static bool cmd_write(Vis *vis, Win *win, Command *cmd, const char *argv[], Curs return false; } - TextSave *ctx = text_save_begin(text, *name, TEXT_SAVE_AUTO); + TextSave *ctx = text_save_begin(text, *name, file->save_method); if (!ctx) { - vis_info_show(vis, "Can't write `%s': %s", *name, strerror(errno)); + const char *msg = errno ? strerror(errno) : "try changing `:set savemethod`"; + vis_info_show(vis, "Can't write `%s': %s", *name, msg); return false; } -- cgit v1.2.3