Logo (Builtin): add Tiny Core Linux

[UnixUserDev]

Summary

Adds a built-in ASCII logo for Tiny Core Linux (visual size 21 x 10), so the distro stops falling back to the generic Linux penguin. Based on the project's own logo, where the "o" of core is a sphere split diagonally and labelled tiny / micro.

Related issue (required for new logos for new distros)

Closes #2654

Changes

• src/logo/ascii/t/tinycore.txt — new logo.
  • $1 = FF_COLOR_FG_BLUE (the distro's own os-release ships ANSI_COLOR="0;34"), $2 = FF_COLOR_FG_LIGHT_WHITE.
  • No hardcoded ANSI sequences, no trailing whitespace, 10 lines, 21 columns visible.
• src/logo/ascii/t.inc — registers it under the single name TinyCore, in alphabetical position between TileOS and Torizon OS.
  • One name is sufficient: matching is case-insensitive, so TinyCore covers both ID=tinycore and NAME=TinyCore from os-release.
  • An earlier revision of this PR also listed Tiny Core Linux / Tiny Core / MicroCore; those were removed per review.

Screenshots

fastfetch --logo tinycore -s title:os:kernel:shell:cpu:

      .-~~~~~~~-.         unixuser@SpaceCachyOS
    .'   tiny    '.       OS: CachyOS x86_64
   /       /       \      Kernel: Linux 7.2.9-2-cachyos
  ;       /         ;     Shell: bash 5.3.20
 |       /           |    CPU: 13th Gen Intel(R) Core(TM) i5-13400F (12+4) @ 4.60 GHz
 |      /            |
  ;    /    micro   ;
   \  /            /
    '.           .'
      '-.......-'

Auto-detection with a real Tiny Core os-release and no --logo flag (the check that actually matters):

      .-~~~~~~~-.         OS: TinyCoreLinux 17.1 x86_64
    .'   tiny    '.       Kernel: Linux 7.2.9-2-cachyos
   /       /       \
  ;       /         ;
 |       /           |
 |      /            |
  ;    /    micro   ;
   \  /            /
    '.           .'
      '-.......-'

Confirmation that the name is registered and resolvable:

$ fastfetch --list-logos | grep -i tinycore
476) "TinyCore"

Checklist

• I have tested my changes locally.

Verification performed on this branch:

• Configured and built from source: cmake -B build -DCMAKE_BUILD_TYPE=Release followed by cmake --build build. Builds clean with no new warnings.
• --list-logos lists the new entry; --logo tinycore resolves; auto-detection via ID=tinycore picks it up with no flag (see output above).
• Art is 21 x 10 visible (well under 50 x 20), uses $1/$2 placeholders only, and has no trailing spaces.

Revision

• Applied review feedback (inline comment on t.inc:91): the logo now registers a single name, TinyCore, instead of four aliases. Rebuilt and re-verified afterwards — --list-logos reports 476) "TinyCore", and auto-detection against the real 17.1 os-release still resolves it with no --logo flag.

One note for reviewers: this is a logo addition only, so logo_builtin.h is regenerated by CMake from the file glob as usual — no generator changes were needed.

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AI-generated with OpenCode — primary model: DeepSeek V4.1 Flash.

[CarterLi]

Only one entry is allowed here. The ID TinyCore (case insensitive) should only be used

[UnixUserDev]

Fixed in 878aff4 — the list is now just { "TinyCore" }.

You're right that the case-insensitive match already covers both ID=tinycore and NAME=TinyCore, so the extra aliases were unnecessary (and MicroCore was speculative on my part — it isn't in the os-release of the ISO I tested).

Re-verified after the change: --list-logos reports 476) "TinyCore", and auto-detection against the real 17.1 os-release still picks the logo up with no --logo flag.