lnav v0.12.4 released

[lnav support]

lnav v0.12.4 released

https://github.com/tstack/lnav/releases/tag/v0.12.4

A lot of focus in this release was on performance improvements

and rounding out rough corners.  Full details are below:

Features:

* Log message timestamps are now represented with microsecond

  precision internally instead of just millisecond.

* The `log_time` and `log_level` fields can now be hidden.

* The "Op ID:" overlay that is added when the `log_opid` field is

  manually set on a message can now be hidden by hiding the

  `log_opid` field.

* Pasting a command snippet when the input focus is on the main

  view will now execute it.

  For this to work: the terminal must support "bracketed-paste"

  mode, which most do;

  and, the pasted content must also start with one of the sigils

  for the desired operation (i.e. `:` for lnav commands, `;` for SQL

  queries, `/` for searches, and `|` for scripts).

* Added a `report-access-log` script that generates a report that

  is similar to the output of the [goaccess](https://goaccess.io)

  utility.

* Added a `find-msg` script that can be used to find the

  next/previous message with a field that matches the value of the

  field in the focused message.

* Added a `find-chained-msg` script that can be used to find the

  next/previous message where a target field matches the value of

  the source field in the focused message.

* Scripts can now specify their output format using the

  `@output-format:` documentation description.

  This setting can affect the output of some commands, like

  `:write-table-to` which will output Markdown tables when the

  output is set to `text/markdown`.

* Column alignment in Markdown tables is now supported.

* Added ecs_log for the Elastic Common Schema from @ba-didi.

* Added a Proxifier log format.

* Escape sequences for 24-bit color are now handled.

* The `-i` option for installing files will now copy `.lnav`

  script files to the `formats/installed` directory.

* Added `italic` and `strike` to the text styling configuration.

* DB query results can now be styled on a row-by-row basis by

  adding a column with the name `__lnav_style__`.

* Added `format <format-name> test <path>` management command

  to make it easier to test a format against a file.

  This can be helpful for determining why a file is not being

  recognized by particular format.

* Added a "performance" section to the documentation.

* Session exports now include `:hide-fields` and `:show-fields`

  commands from the session.

  They are currently commented out by default.

* Added highlighting for Markdown syntax.

Interface changes:

* DB query results that start with a number are right justified

  instead of only full numbers.

* Left-clicking a local link in a Markdown document will jump to

  that section of the document instead of opening the overlay

  menu.

  You can still open the overlay menu by right-clicking on the link.

* Rows in a Markdown table are now highlighted with alternating

  styles.

* Long-running SQL queries in scripts are now mentioned in the UI

  to make it easier to see what is going on.

* Defining a value in a log format with the same name as one of

  predefined columns in the log virtual tables will now generate

  an error.

* The DB view will now chart result columns that contain a number

  with a unit, like "KB", "MB", "GB", etc...

* When switching to the pretty view, the focused line should be

  in the same position in the text as in the source view.

* In the LOG view, you can now copy the value of a field by

  pressing `c` when focused on a line in the parser details

  overlay (activated by pressing `p`).

* In the DB View, if there is a column named `log_level`, it

  will be used as the level for the row and the hotkeys for

  jumping to the next/previous error/warning will work.

* In the DB View, columns can now be hidden/shown using the

  `:hide-fields` / `:show-fields` commands.

* In the DB View, pressing `p` now works for all rows and will

  show all columns and not just JSON ones.

  You can then press `c` while focused in the overlay to copy

  the value of the column.

  Pressing space while focused on a column in the overlay will

  hide/show it.

* If the terminal supports less than 256 colors, a help message

  will be displayed to try setting `TERM` to `xterm-256color`.

* Added `F1` as a hotkey to open the help view.

* Fixed some issues with scrolling in the main view when:

  word-wrap was enabled; log messages had tags/comments; or

  if the parser details overlay was open.

Breaking changes:

* The `parse_url()` SQL function no longer raises an error for an

  invalid URL.

  Instead, it will return a JSON object with an object with the

  following properties:

  - `error` - An identifier for the error.

  - `url` - The invalid URL itself.

  - `reason` - A description of the error.

Bug Fixes:

* Reduced startup time.

* Reduced indexing time for plain text and JSON-lines logs.

* Reduced memory footprint.

* Improved search performance.

* Reduced DB view CPU and memory usage.

* Reduce time to open help text.

* Improved performance of log virtual tables when ordering the

  result by `log_line DESC`.

* Improved performance of the `spooky_hash()` SQL function.

Maintenance:

* Replaced ncurses with notcurses.

* Added arm64 builds for Linux/macOS

Thanks,

Tim