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Sébastien Helleu
64f17761f1
Add two complementary subcommands:
/theme save <name> [-full]: writes a user theme file at
${weechat_config_dir}/themes/<name>.theme containing the current
themable options. By default only options whose value differs from
their default (config_file_option_has_changed) are written, which
keeps the file small and focused. Pass "-full" to write every
themable option (matches the format used by automatic backups).
Name validation: refuses any name matching a built-in theme (those
are reserved for in-memory registrations) and any name starting
with "backup-" (reserved for /theme apply backups). Both checks
print an error and abort without writing.
/theme delete <name>: removes ${weechat_config_dir}/themes/<name>.theme
via unlink. Refuses to delete a name registered as a built-in
theme (a built-in has no file on disk to delete, even if the user
has a shadowing file of the same name they cannot remove it this
way; they can rename or delete it manually).
The full-snapshot writer used by /theme apply backups is refactored
into theme_write_file (name, description, diff_only). It is reused
by theme_make_backup (diff_only=0) and theme_save (diff_only inverted
from the user's -full flag).
Bug fix while at it: the writer was previously calling
config_file_option_value_to_string (ptr_option, 0, 1, 0); the third
and fourth arguments are "use_colors" and "use_delimiters", so the
call inserted GUI color escape codes into the file output and skipped
quoting strings. Corrected to (ptr_option, 0, 0, 1) so plain text
with proper string quoting is written; the change also fixes the
content of files produced by theme_make_backup in the previous commit.