docs(packages): document opt-in extras left out by design#57
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jujutsu/difftastic/ast-grep are in Arch `extra` but omitted from the package list on purpose — Core gates them on HAVE_JJ/HAVE_DIFFT/HAVE_ASTGREP, so a box without them just skips the wiring. The list already documents why carapace/sesh/op/viddy are absent; this closes the one undocumented gap the os-package-availability sweep flagged (dotfiles-Arch#56). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PqpZTVtrhA18ZT7THnaUHu
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Pull request overview
Documents that three Core “opt-in extras” (present in Arch extra) are intentionally omitted from install/packages.txt, because Core only wires them up when the corresponding HAVE_* flags are set (i.e., when the binaries are installed).
Changes:
- Add an explanatory comment noting
jujutsu,difftastic, andast-grepare deliberately excluded by default. - Include a
pacman -S ...hint to opt in and enable the associated Core wiring.
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What & why
The
os-package-availabilitysweep (#56) came back clean — every entry ininstall/packages.txtresolves incore/extraas written. The one gap it flagged was documentation, not availability: the list explains whycarapace/sesh/op/viddyare absent, but says nothing about three opt-in Core extras that are in Archextrayet deliberately omitted:jujutsu(extra0.43.0)difftastic(extra0.69.0)ast-grep(extra0.43.0)Their omission is intentional — Core gates them on
HAVE_JJ/HAVE_DIFFT/HAVE_ASTGREP, so a box without them just skips the wiring. This adds a one-line comment next to the existing exclusion notes so a green run is self-explaining.Change
install/packages.txt— comment documenting thatjujutsu/difftastic/ast-grepare opt-in and left out by design, with thepacman -Shint to enable them.No package-list membership change; no
PORTING-MATRIX.mdchange (its Arch column verified accurate in the sweep).Closes #56
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