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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog. This project adheres to Semantic Versioning for its CLI (Command-Line Interface), i.e. for the moulti command. Although Moulti's Python packages, modules and functions are obviously available, they do not constitute a public API yet.

[1.34.1] - 2025-08-09

Fixed

  • Fix rare "unknown action" error message.
  • Fix partial line handling.

[1.34.0] - 2025-03-16

Changed

  • Unless MOULTI_NAME_THREADS=no is set, system threads get assigned meaningful names: moulti:main, network-loop,exec-command, export-to-dir, |step_name, >step_name, thread-pool.

[1.33.0] - 2025-02-26

Changed

  • moulti.run is the new official documentation. It replaces Documentation.md.

Fixed

  • Running moulti without any argument used to crash since v1.30.0.

[1.32.0] - 2025-02-13

Changed

  • moulti run: MOULTI_RUN_OUTPUT=harvest is now the default behaviour instead of ignore.

Fixed

  • moulti run: make output harvesting more reactive.

[1.31.0] - 2025-02-03

This release finally fixes a bug initially reported in August 2024. It took significant efforts to diagnose the root cause. Special thanks go to huyz, whose thorough cooperation made it possible to tackle this issue.

Added

  • Ansible callback plugin: the MOULTI_ANSIBLE_WRITE_MODE environment variable defines whether to use moulti pass or moulti step append

Fixed

  • Ansible callback plugin: fix a major bug that used to block the display at arbitrary points in a playbook

[1.30.1] - 2025-01-28

Fixed

  • Fix a race condition that was liable to generate (innocuous) error messages in the Moulti console after running moulti pass:
  • Invalid file descriptor: -1
  • ' is not registered'
  • moulti pass step_id < empty_regular_file used to block on macOS; moulti load was also affected.
  • Handle EMSGSIZE when sending file descriptors.

[1.30.0] - 2025-01-23

Changed

  • moulti run now suffixes the instance name with its process id (e.g. default-1234 instead of default). This helps prevent clashes and makes it possible to run various tools concurrently without having to worry about such details. This behaviour can be prevented by setting the MOULTI_RUN_NO_SUFFIX environment variable or using the -n / --no-suffix command-line option. The behaviour of moulti init remains unchanged.
  • moulti run, moulti diff run, moulti manpage run: it is no longer mandatory to use -- to separate Moulti arguments and the command to be run.

Fixed

  • moulti-scoreboard.bash example script: make scoreboard control path instance-specific.

[1.29.0] - 2025-01-12

Changed

  • console: abridge message strings longer than 100 characters

Fixed

  • diff, load, manpage, step delete: improve pipelining so as to prevent deadlocks
  • server-side networking: use non-blocking methods to deal with non-blocking sockets
  • moulti run path/to/non_executable_script used to crash

[1.28.0] - 2024-12-29

Changed

  • Moulti now requires Textual 1.0.x
  • When searching text, the [esc] Cancel keybinding, which used to be shown in 1st position in the footer, is now shown in 3rd position
  • Ctrl+c no longer exits Moulti: use Ctrl+q instead; q still works
  • Input fields now support:
  • text selection through mouse or Shift+left/right; Ctrl+Shift+left/right works too
  • copy/paste through Ctrl+x/c/v

[1.27.0] - 2024-12-28

Changed

  • Moulti now requires Textual 0.89.1

[1.26.0] - 2024-12-27

Changed

  • Moulti now requires Textual 0.88.1

[1.25.0] - 2024-12-26

Added

  • MOULTI_CUSTOM_CSS users: combined with offset, position: absolute enables various interesting hacks (e.g. multiple steps per row)
  • New example script: moulti-scoreboard.bash

Changed

  • Moulti now requires Textual 0.87.1

[1.24.0] - 2024-12-19

Changed

  • Moulti now requires Textual 0.86.3
  • Minor color changes: input fields, buttons, progress bar, some texts in light mode.
  • MOULTI_CUSTOM_CSS users: specify & CollapsibleTitle { color: ...; } to alter the default step title color; an example is available in the documentation.

[1.23.2] - 2024-12-17

Fixed

  • Fixed a double-close issue liable to affect any file descriptor inside a given Python process after a Moulti instance exited.
  • Introduced snapshot testing and continuous integration.

[1.23.1] - 2024-11-17

Fixed

  • moulti init now exits with a non-zero return code when it cannot listen to clients.
  • Ansible callback plugin: fix unexpected keyword argument 'caplevel' warning

[1.23.0] - 2024-10-31

Changed

  • Moulti now requires Textual == 0.83.0

Fixed

  • Focus indicators: fix rendering issue induced by Textual 0.84.0

[1.22.0] - 2024-10-27

Changed

  • Moulti now requires Textual >= 0.83.0

Fixed

  • moulti init used to crash with Textual >= 0.83.0: Screen.ALLOW_IN_MAXIMIZED_VIEW = '#header,SearchInputWidget,' + Screen.ALLOW_IN_MAXIMIZED_VIEW ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ TypeError: can only concatenate str (not "NoneType") to str

[1.21.0] - 2024-09-29

Changed

  • moulti run now sets ANSIBLE_FORCE_COLOR=yes when Ansible is detected, thus generating colors in "PLAY RECAP" and diff (-D command-line option)

Fixed

  • The console is now based on Textual's Log widget instead of RichLog; this prevents a bug introduced in Textual 0.80.0 that affects the console when it becomes visible for the first time.

[1.20.0] - 2024-09-22

Added

  • moulti diff lists generated widgets if the environment variable MOULTI_DIFF_VERBOSE is set
  • moulti manpage lists generated widgets if the environment variable MOULTI_MANPAGE_VERBOSE is set
  • the environment variable MOULTI_QUIT_POLICY defines how Moulti should behave upon quitting
  • steps can now be assigned the inactive class, which turns them gray

Changed

  • Ansible callback plugin: steps with "skipping" and "included" lines are affected the new inactive class

[1.19.0] - 2024-09-15

Added

  • moulti diff: delta integration
  • moulti diff: display number of added (+) and removed (-) lines for each hunk
  • delete commands now accept multiple ids, e.g. moulti step delete step_1 step_2 step_3
  • Pressing f maximizes the currently focused step log (similar to zoom pane in tmux)

Changed

  • Moulti now requires Textual >= 0.79.0
  • pipeline() now writes errors on stderr; this affects moulti load, diff and manpage commands.

[1.18.1] - 2024-09-09

Fixed

  • moulti-man and moulti manpage used to ignore the last section of all manpages.

[1.18.0] - 2024-09-08

Added

  • Text search: it is now possible to search steps (+ the title) for a given pattern (plain or regex, case-sensitive or not).
  • The search widget offers an in-memory, non-persistent history.

Changed

  • The console is now shown or hidden using z instead of n.
  • The console now grabs the focus, which makes it easier to scroll.

Fixed

  • Help screen: mention ctrl+pgup and ctrl+pgdn.

[1.17.0] - 2024-08-25

Added

  • the environment variable MOULTI_ASKPASS_DEFAULT_PROMPT defines the prompt shown by moulti-askpass if none was passed on the command line
  • Ansible-specific variants of moulti-askpass:
  • moulti-askpass-become-password
  • moulti-askpass-connection-password
  • moulti-askpass-vault-client

Fixed

  • Ansible callback plugin: override these ansible-playbook command-line options to prevent it from reading passwords through the current tty:
  • -k, -ask-pass
  • -K, --ask-become-pass
  • -J, --ask-vault-pass, --ask-vault-password

[1.16.0] - 2024-08-23

Added

  • moulti step: add options --auto-scroll and --no-auto-scroll to control inner auto-scrolling
  • moulti pass: significant performance improvements
  • the environment variable MOULTI_TAB_SIZE controls the expansion of tab characters passed to steps

Fixed

  • Steps with a horizontal scrollbar had an extra line above it

[1.15.0] - 2024-08-11

Added

  • Ctrl+t / Ctrl+y jumps to the previous/next unanswered question
  • O / X collapses/expands new steps
  • the environment variable MOULTI_ENFORCE_COLLAPSIBLE does the same as soon as Moulti starts
  • Ctrl+o / Ctrl+x collapses/expands both existing and new steps
  • Ansible callback plugin: the environment variable MOULTI_ANSIBLE_COLLAPSE specifies parts that should appear collapsed

Changed

  • Moulti now requires Textual >= 0.76.0
  • Footer: the Dark/Light keybinding now displays either "Dark" or "Light"
  • Footer: the Lock scroll keybinding now displays either "Lock scroll" or "Unlock scroll"

Fixed

  • moulti question add id --button value invalid_style label now returns an error

[1.14.0] - 2024-08-04

Added

  • CLI command moulti question {add,update,get-answer,delete}
  • Ansible callback plugin: support prompt_until() and the pause module
  • quit dialog: buttons now feature keyboard accelerators

Changed

  • moulti pass --read-size now defaults to 8192.
  • moulti run: hitting Ctrl+c multiple times now navigates through the quit dialog and eventually terminates the process before exiting.

Fixed

  • moulti run: MOULTI_RUN_OUTPUT=harvest moulti run -- bash -c 'echo a; sleep 3600' would block upon selecting "Quit and leave the process running in the background".

[1.13.0] - 2024-07-21

Added

  • help screen (h)
  • Ansible callback plugin: handle vars_prompt using inputquestion widgets.

Changed

  • the quit dialog is now more keyboard-friendly

Fixed

  • ensure only one instance of the quit dialog is shown at any time.
  • Ansible callback plugin: do not try to pass text to a divider.

[1.12.1] - 2024-06-27

Fixed

  • Ansible callback plugin: handle Ansible >= 2.17

[1.12.0] - 2024-06-23

Added

  • moulti-man, moulti manpage: load man pages into Moulti.

Fixed

  • moulti_process_lines(): prevent moulti pass processes from piling on.

[1.11.0] - 2024-06-11

Added

  • copy to clipboard: support OSC 52 and introduce the environment variable MOULTI_CLIPBOARD_COPY.

Changed

  • in some situations (e.g. SSH and terminal lacking support for OSC 52), Moulti may fail to copy data to the clipboard AND fail to detect and report that failure.

Fixed

  • footer: fix key text color in light mode.

[1.10.0] - 2024-05-26

Changed

  • performance: throttle calls to step.append(buffer).

Fixed

  • footer: restore the usual look'n feel for Textual >= 0.63.0

[1.9.0] - 2024-05-19

Added

  • bash functions:
  • moulti_process_lines() helps to turn arbitrary output into Moulti steps
  • moulti_check_requirements() helps to ensure required commands are available
  • stdbuf() replaces the stdbuf utility on NetBSD and OpenBSD

Changed

  • bash functions:
  • pip/pipx deploys moulti-functions.bash
  • moulti_iso_date() leverages either GNU date, Perl or Python

[1.8.1] - 2024-05-12

Fixed

  • moulti no longer systematically loads the unidiff module
  • bash functions:
  • detect "python3.x" executables
  • no longer depend on GNU date.
  • stick to short, non-GNU mktemp command-line options

[1.8.0] - 2024-05-05

Added

  • Ansible callback plugin: ansible/moulti.py
  • moulti run sets the adequate environment variables to enable the Ansible callback plugin.
  • moulti diff: load diff data into Moulti.

[1.7.0] - 2024-04-28

Added

  • moulti-askpass, an askpass helper for Moulti
  • moulti run automatically sets SSH_ASKPASS, SSH_ASKPASS_REQUIRE and SUDO_ASKPASS environment variables so as to leverage moulti-askpass.
  • moulti run --print-env outputs all environment variables set by moulti run.
  • moulti run: the environment variable MOULTI_RUN_OUTPUT provides better control on unexpected output.
  • dividers: non-collapsible steps that simply display text.

[1.6.0] - 2024-04-18

Added

  • moulti set --step-position=bottom
  • moulti set --step-direction=up
  • Programmatic scrolling:
  • moulti scroll step_id offset
  • moulti step add --scroll-on-actvity=-1
  • moulti step update --scroll-on-actvity=false
  • "Lock scroll" action to prevent programmatic scrolling

Fixed

  • The "Save" feature now exports the progress bar.

[1.5.1] - 2024-03-31

Fixed

  • Fix a pipelining issue causing moulti load to emit a traceback.

[1.5.0] - 2024-03-18

Added

  • Environment variables MOULTI_ANSI and MOULTI_ANSI_THEME_* provide full control over ANSI color themes.
  • tools/gogh2moulti.bash converts Gogh themes into MOULTI_ANSI_THEME_* variables.
  • Shell completion based on the argcomplete library.
  • Bash functions: moulti_exec(): compute and display step duration.
  • Tooltips on the Moulti header and step titles.
  • Progress bar: moulti set --progress-bar --progress-target=100 --progress=80

Changed

  • By default, Moulti no longer alters ANSI colors; the previous behavior can be restored by setting MOULTI_ANSI=textual_default.
  • Use non-ANSI colors in the console.
  • Moulti requires textual >= 0.53.

Fixed

  • Fix "next line color" heuristic for step widgets.
  • Fix detection of markup errors.
  • New layout for button questions: there should no longer be any hidden/unreachable button.
  • MOULTI_CUSTOM_CSS= moulti init/run no longer results in a traceback.

Removed

  • Textual Command Palette (never advertised and offered very little).

[1.4.0] - 2024-03-03

Added

  • Ability to copy step/question/console contents to clipboard, with or without colors/styles.
  • Focus indicators, i.e. visual hints reflecting what part of the UI currently holds focus.
  • Highlighting in the console.

Changed

  • Windows: show explanatory message instead of crashing at startup.
  • The key binding to toggle the console is now n instead of c (which now means "Copy").
  • Make it easier to scroll around answered buttonquestion widgets.
  • Revamp the console by making it a proper widget, as opposed to a refurbished step.

Fixed

  • Handle Rich Markup errors and return a suitable error message to clients.
  • Fix moulti pass on FreeBSD and NetBSD.

[1.3.0] - 2024-02-25

Added

  • TUI action "Save" that exports step properties and logs to files.
  • CLI command moulti load that imports step properties and logs from files.
  • Environment variable MOULTI_SAVE_PATH defines where Moulti (TUI) saves files.
  • Show a modal dialog when users attempt to quit Moulti while the process launched by moulti run is still running. This dialog allows users to terminate the process or leave it running in the background.
  • Environment variable MOULTI_MODE=light starts Moulti with dark mode disabled.
  • moulti run now sets environment variable MOULTI_INSTANCE_PID.
  • CLI command moulti --version
  • Documentation: add section "moulti run: dealing with stdin, stdout, stderr"

Changed

  • Examples: improve moulti run commands by using --.
  • Update documentation.

[1.2.0] - 2024-02-18

Added

  • CLI command moulti buttonquestion {add,update,get-answer,delete}
  • CLI command moulti inputquestion {add,update,get-answer,delete}

Changed

  • moulti (CLI) now writes error messages on stderr, not stdout.
  • Examples: upgrade-system.bash now showcases buttonquestion.
  • Update documentation.

[1.1.0] - 2024-02-12

Added

  • MOULTI_INSTANCE environment variable.
  • MOULTI_PASS_CONCURRENCY environment variable.
  • moulti-pass-concurrency.bash example script.

Changed

  • moulti wait now sends a "ping" command.
  • Update documentation.
  • Examples: use MOULTI_INSTANCE instead of MOULTI_SOCKET_PATH.

Fixed

  • Improve behavior on platforms that do not support abstract Unix sockets (e.g. MacOS).
  • Improve behavior on hosts with few CPUs.

[1.0.0] - 2024-02-10

Added

  • CLI command moulti init
  • CLI command moulti run
  • CLI command moulti wait --verbose --delay --max-attempts
  • CLI command moulti set --title
  • CLI command moulti step {add,update,delete,clear,append}
  • CLI command moulti pass --append --read-size
  • moulti considers environment variables MOULTI_SOCKET_PATH, MOULTI_ALLOWED_UID, MOULTI_ALLOWED_GID and MOULTI_CUSTOM_CSS
  • moulti run sets environment variables MOULTI_RUN and MOULTI_SOCKET_PATH
  • Documentation
  • Examples