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fix(shell): keep generated ignores visible to Pi

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alexion
2026-07-29 17:01:22 -04:00
parent 02f2017b40
commit 40b37281d5
2 changed files with 62 additions and 20 deletions
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54
lib/mk-skills-shell-hook.nix
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@@ -1,6 +1,8 @@
# Builds a dev-shell shellHook that links a project's selected skills into its
# own `.agents/skills/` as direct-child symlinks into the Nix store, with
# `.claude/skills` as a compatibility symlink when that path is free.
# Generated ignores live in the project root so agent skill scanners still see
# the linked skills.
skills:
let
storeDir = builtins.storeDir;
@@ -25,13 +27,15 @@ in
_mkskills_dir=".agents/skills"
mkdir -p "$_mkskills_dir"
_mkskills_claude_skills_managed=0
mkdir -p .claude
if [ ! -e .claude/skills ] && [ ! -L .claude/skills ]; then
ln -s ../.agents/skills .claude/skills
_mkskills_claude_skills_managed=1
elif [ -L .claude/skills ]; then
case "$(readlink .claude/skills)" in
../.agents/skills) : ;;
${storeDir}/*) rm -f .claude/skills && ln -s ../.agents/skills .claude/skills ;;
../.agents/skills) _mkskills_claude_skills_managed=1 ;;
${storeDir}/*) rm -f .claude/skills && ln -s ../.agents/skills .claude/skills && _mkskills_claude_skills_managed=1 ;;
esac
else
printf 'mkSkillsShellHook: leaving existing non-symlink .claude/skills in place; Claude Code compatibility link not installed\n' >&2
@@ -45,8 +49,9 @@ in
done
# A real path at a selected skill's name is a hand-authored skill.
# It is left in place and left out of the managed set, so the .gitignore
# below keeps tracking it rather than the skill that would have been linked.
# It is left in place and left out of the managed set, so the generated
# ignore block keeps tracking it rather than the skill that would have been
# linked.
_mkskills_managed=""
_mkskills_link() {
_mkskills_dest="$_mkskills_dir/$1"
@@ -62,17 +67,46 @@ in
}
${links}
# Regenerate the self-ignoring .gitignore from the current selection, so the
# store symlinks stay out of git while hand-authored skills, absent from this
# list, remain tracked.
if [ -f "$_mkskills_dir/.gitignore" ] \
&& grep -qx '# Generated by mkSkillsShellHook. Nix-delivered skill symlinks, kept out of git.' "$_mkskills_dir/.gitignore"; then
rm -f "$_mkskills_dir/.gitignore"
fi
# Regenerate the project-root ignore block from the current selection.
# Skill scanners read ignore files under .agents/skills, so the block must
# live above the scanned tree.
_mkskills_gitignore=".gitignore"
_mkskills_gitignore_tmp=".gitignore.mkskills.$$"
if [ -f "$_mkskills_gitignore" ]; then
awk '
$0 == "# BEGIN mkSkillsShellHook" { skip = 1; next }
$0 == "# END mkSkillsShellHook" { skip = 0; next }
!skip { lines[++n] = $0 }
END {
while (n > 0 && lines[n] == "") n--
for (i = 1; i <= n; i++) print lines[i]
}
' "$_mkskills_gitignore" > "$_mkskills_gitignore_tmp"
else
: > "$_mkskills_gitignore_tmp"
fi
{
if [ -s "$_mkskills_gitignore_tmp" ]; then
cat "$_mkskills_gitignore_tmp"
printf '\n'
fi
printf '%s\n' "# BEGIN mkSkillsShellHook"
printf '%s\n' "# Generated by mkSkillsShellHook. Nix-delivered skill symlinks, kept out of git."
printf '%s\n' "/.gitignore"
if [ "$_mkskills_claude_skills_managed" = 1 ]; then
printf '%s\n' ".claude/skills"
fi
# Disable pathname expansion so a managed name is never glob-expanded.
set -f
for _mkskills_name in $_mkskills_managed; do
printf '/%s\n' "$_mkskills_name"
printf '.agents/skills/%s\n' "$_mkskills_name"
done
} > "$_mkskills_dir/.gitignore"
printf '%s\n' "# END mkSkillsShellHook"
} > "$_mkskills_gitignore"
rm -f "$_mkskills_gitignore_tmp"
)
''