Bash install.sh and settings.sh for Linux and macOS
Twins of the PowerShell scripts, needing only bash, curl and one of jq, node or python3 for JSON. install.sh downloads a release (or installs from dist/), settings.sh pushes, pulls or diffs User/, both resolve the code CLI and user folder per platform. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0169iPWwKHZoBTNN9qwXiwqk
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Claude Fable 5.1
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#!/usr/bin/env bash
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# Shared pieces for install.sh and settings.sh: the bash half of common.ps1.
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#
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# Sourced, not run. JSON is read through whichever of jq, node or python3 is present,
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# in that order -- a fresh Linux box has python3, a dev box has node, and jq is the
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# nicest when it is there. Nothing here needs more than bash, curl and one of those.
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set -euo pipefail
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setup_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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setup_config="$setup_root/config.json"
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setup_dist="$setup_root/dist"
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die() { echo "error: $*" >&2; exit 1; }
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note() { printf '\033[90m%s\033[0m\n' "$*"; }
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ok() { printf '\033[32m%s\033[0m\n' "$*"; }
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warn() { printf '\033[33m%s\033[0m\n' "$*"; }
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# --- JSON ------------------------------------------------------------------------
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json_tool() {
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if command -v jq >/dev/null; then echo jq
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elif command -v node >/dev/null; then echo node
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elif command -v python3 >/dev/null; then echo python3
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else die "need jq, node or python3 to read JSON"
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fi
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}
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# json_get <file-or-'-'> <dotted.path> -> the scalar at that path, or nothing.
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json_get() {
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local file="$1" path="$2"
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case "$(json_tool)" in
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jq) jq -r "try (.$path) // empty" "$file" 2>/dev/null ;;
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node) node -e '
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const fs = require("fs");
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const src = process.argv[1] === "-" ? 0 : process.argv[1];
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let j; try { j = JSON.parse(fs.readFileSync(src, "utf8")); } catch { process.exit(0); }
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const v = process.argv[2].split(".").reduce((o, k) => (o == null ? undefined : o[k]), j);
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if (v !== undefined && v !== null) console.log(v);
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' "$file" "$path" ;;
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python3) python3 - "$file" "$path" <<'EOF'
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import json, sys
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src = sys.stdin if sys.argv[1] == "-" else open(sys.argv[1], encoding="utf-8")
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try:
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j = json.load(src)
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except Exception:
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sys.exit(0)
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for k in sys.argv[2].split("."):
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j = j.get(k) if isinstance(j, dict) else None
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if j is None:
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sys.exit(0)
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print(j)
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EOF
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;;
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esac
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}
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# json_rows <file-or-'-'> <array.path> <field1> <field2> ... -> one TSV line per element.
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json_rows() {
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local file="$1" path="$2"; shift 2
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local fields="$*"
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case "$(json_tool)" in
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jq) jq -r --arg f "$fields" "try (.$path[] | [ (\$f | split(\" \"))[] as \$k | (.[\$k] // \"\" | tostring) ] | @tsv) // empty" "$file" 2>/dev/null ;;
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node) node -e '
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const fs = require("fs");
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const src = process.argv[1] === "-" ? 0 : process.argv[1];
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let j; try { j = JSON.parse(fs.readFileSync(src, "utf8")); } catch { process.exit(0); }
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const arr = process.argv[2].split(".").reduce((o, k) => (o == null ? undefined : o[k]), j);
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const fields = process.argv[3].split(" ");
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for (const item of Array.isArray(arr) ? arr : []) console.log(fields.map(f => item[f] ?? "").join("\t"));
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' "$file" "$path" "$fields" ;;
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python3) python3 - "$file" "$path" "$fields" <<'EOF'
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import json, sys
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src = sys.stdin if sys.argv[1] == "-" else open(sys.argv[1], encoding="utf-8")
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try:
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j = json.load(src)
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except Exception:
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sys.exit(0)
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for k in sys.argv[2].split("."):
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j = j.get(k) if isinstance(j, dict) else None
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for item in (j if isinstance(j, list) else []):
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print("\t".join(str(item.get(f, "")) for f in sys.argv[3].split(" ")))
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EOF
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;;
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esac
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}
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# --- config ---------------------------------------------------------------------
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# GITEA_URL / GITEA_OWNER / GITEA_REPO override config.json, as in common.ps1.
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load_config() {
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[ -f "$setup_config" ] || die "config.json not found at $setup_config"
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gitea_url="${GITEA_URL:-$(json_get "$setup_config" gitea.url)}"
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gitea_owner="${GITEA_OWNER:-$(json_get "$setup_config" gitea.owner)}"
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gitea_repo="${GITEA_REPO:-$(json_get "$setup_config" gitea.repo)}"
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gitea_url="${gitea_url%/}"
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}
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require_gitea() {
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case "$gitea_url" in
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*example.com*|"") die "config.json still has the placeholder Gitea URL. Set it there, or set GITEA_URL, GITEA_OWNER and GITEA_REPO." ;;
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esac
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}
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# Prints "id<TAB>path<TAB>repo" for every extension, optionally only the given ids.
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configured_extensions() {
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local only="${1:-}"
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local rows
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rows="$(json_rows "$setup_config" extensions id path repo)"
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if [ -z "$only" ]; then
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echo "$rows"
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return
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fi
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local id
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for id in $only; do
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grep -P "^$id\t" <<<"$rows" || die "not in config.json: $id"
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done
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}
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# --- Gitea ----------------------------------------------------------------------
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# The token, from the argument, GITEA_TOKEN, or ~/.gitea-token. Never from the repo.
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gitea_token() {
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local token="${1:-}"
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if [ -n "$token" ]; then echo "$token"; return; fi
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if [ -n "${GITEA_TOKEN:-}" ]; then echo "$GITEA_TOKEN"; return; fi
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if [ -s "$HOME/.gitea-token" ]; then tr -d '[:space:]' < "$HOME/.gitea-token"; return; fi
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die "No Gitea token. Set GITEA_TOKEN, write one to ~/.gitea-token, or pass --token."
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}
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# gitea_release <tag> <token> -> the release JSON, or nothing for 404.
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gitea_release() {
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local tag="$1" token="$2"
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local encoded
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encoded="$(printf '%s' "$tag" | sed 's/ /%20/g; s/\//%2F/g')"
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local status body
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body="$(curl -sS -w '\n%{http_code}' -H "Authorization: token $token" \
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"$gitea_url/api/v1/repos/$gitea_owner/$gitea_repo/releases/tags/$encoded")"
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status="${body##*$'\n'}"
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body="${body%$'\n'*}"
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case "$status" in
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200) echo "$body" ;;
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404) ;;
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*) die "Gitea answered HTTP $status for release '$tag': $body" ;;
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esac
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}
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# gitea_download <url> <destination> <token>
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#
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# curl re-sends the Authorization header across redirects only to the same host, which
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# is exactly the rule wanted: Gitea answers browser_download_url with a redirect to the
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# attachment on the same instance, and a redirect elsewhere must not carry the token.
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gitea_download() {
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local url="$1" destination="$2" token="$3"
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curl -fsSL --max-redirs 5 -H "Authorization: token $token" -o "$destination" "$url"
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}
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# --- VS Code --------------------------------------------------------------------
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code_command() {
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if command -v code >/dev/null; then command -v code; return; fi
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local candidate
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for candidate in /usr/bin/code /usr/share/code/bin/code /snap/bin/code \
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/var/lib/flatpak/exports/bin/com.visualstudio.code "$HOME/.local/bin/code" \
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/usr/local/bin/code "/Applications/Visual Studio Code.app/Contents/Resources/app/bin/code" \
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/usr/bin/code-insiders; do
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[ -x "$candidate" ] && { echo "$candidate"; return; }
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done
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die "The 'code' CLI was not found. In VS Code run 'Shell Command: Install code command in PATH', or add its bin/ to PATH."
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}
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# VS Code's user folder; VSCODE_USER_DIR overrides, as in the PowerShell scripts.
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code_user_dir() {
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if [ -n "${VSCODE_USER_DIR:-}" ]; then echo "$VSCODE_USER_DIR"; return; fi
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case "$(uname -s)" in
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Darwin) echo "$HOME/Library/Application Support/Code/User" ;;
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*) echo "${XDG_CONFIG_HOME:-$HOME/.config}/Code/User" ;;
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esac
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}
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