35 lines
1.4 KiB
Bash
Executable file
35 lines
1.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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# =============================================================================
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# skills/ingest/scripts/slug.sh
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# Derive a wiki slug from a path, filename, or title string.
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# slug.sh "raw/articles/My Source.md" -> my-source
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# slug.sh "Some Concept Name" -> some-concept-name
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# =============================================================================
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set -euo pipefail
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if [[ "${1:-}" == "--raw" ]]; then
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raw="${2:?usage: slug.sh --raw <raw/bucket/rel/path>}"
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rel="${raw#raw/}"; rel="${rel#*/}" # strip "raw/" and the bucket name
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rel="${rel%.*}" # strip extension
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slug="$(printf '%s\n' "$rel" | tr '/' '\n' \
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| sed -E 's/[^a-zA-Z0-9]+/-/g; s/-{2,}/-/g; s/^-+//; s/-+$//' \
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| tr '[:upper:]' '[:lower:]' | paste -sd- -)"
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[[ -n "$slug" ]] || { echo "slug: empty result for input '${raw}'" >&2; exit 1; }
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printf '%s\n' "$slug"
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exit 0
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fi
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input="${1:?usage: slug.sh <path-or-title>}"
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# Strip directory and extension when given a path
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base="${input##*/}"
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base="${base%.*}"
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slug="$(printf '%s\n' "$base" \
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| tr '[:upper:]' '[:lower:]' \
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| sed -E 's/[^a-z0-9]+/-/g; s/-{2,}/-/g; s/^-+//; s/-+$//')"
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# An all-symbols input (e.g. "!!!.md") collapses to "" — refuse rather than emit a
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# broken/empty slug that would produce an invalid branch name downstream.
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[[ -n "$slug" ]] || { echo "slug: empty result for input '${input}'" >&2; exit 1; }
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printf '%s\n' "$slug"
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