Terminal 1.0: a-Shell 2.3.2 full + worse_query + native plugin environment
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#!/bin/sh
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# apt - native Terminal package front-end (Terminal-compatible .deb packages)
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# This is not Debian apt: it manages packages built for iOS/Terminal.
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ROOT="${TERM_ROOT:-$HOME/Documents/.terminal}"
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LISTS="$ROOT/var/lib/apt/lists"
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INDEX="$LISTS/Packages"
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CACHE="$ROOT/var/cache/apt/archives"
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SOURCES="$ROOT/etc/apt/sources.list"
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VISITED=""
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DPKG="${APPDIR:-}/bin/dpkg"
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[ -f "$DPKG" ] || DPKG="dpkg"
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usage() {
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printf '%s\n' "Usage: apt <command>"
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printf '%s\n' ""
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printf '%s\n' " update Refresh package indexes"
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printf '%s\n' " search <text> Search package names/descriptions"
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printf '%s\n' " show <package> Show package details"
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printf '%s\n' " install <package|deb> Install a package (dependencies are resolved locally)"
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printf '%s\n' " remove|purge <package> Remove a package"
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printf '%s\n' " list --installed List installed packages"
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printf '%s\n' " list List packages in the current index"
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printf '%s\n' " clean Clear downloaded archives"
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printf '%s\n' " --version Show version"
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printf '%s\n' ""
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printf '%s\n' "Default repository: file://$ROOT/repo"
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printf '%s\n' "Create packages with: mkdeb <name> <version> <payload-dir> [arch]"
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}
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ensure() {
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mkdir -p "$ROOT" "$LISTS" "$CACHE" "$ROOT/var/lib/dpkg" "$ROOT/tmp"
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[ -f "$ROOT/var/lib/dpkg/status" ] || : > "$ROOT/var/lib/dpkg/status"
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}
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field() {
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key="$1"; stanza="$2"
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tmp="$ROOT/tmp/field.$$"
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printf '%s\n' "$stanza" > "$tmp"
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awk -v key="$key" 'index($0,key": ")==1 { sub("^" key ": ",""); print; exit }' "$tmp"
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rm -f "$tmp"
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}
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find_stanza() {
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local pkg="$1"
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[ -f "$INDEX" ] || return 0
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awk -v pkg="$pkg" 'BEGIN{RS=""; ORS="\n\n"} $0 ~ "(^|\\n)Package: " pkg "(\\n|$)" { print; exit }' "$INDEX"
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}
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is_installed() {
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out="$ROOT/tmp/dpkg-status.$$"
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sh "$DPKG" -s "$1" > "$out" 2>/dev/null
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grep -q '^Status: install ok installed' "$out"
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result=$?
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rm -f "$out"
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return $result
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}
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decompress_index() {
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file="$1"
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out="$2"
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case "$file" in
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*.xz)
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xz -d -c "$file" >> "$out" 2>/dev/null || python3 -c 'import lzma,sys; sys.stdout.buffer.write(lzma.open(sys.argv[1],"rb").read())' "$file" >> "$out" 2>/dev/null
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;;
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*.gz)
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gzip -dc "$file" >> "$out" 2>/dev/null || python3 -c 'import gzip,sys; sys.stdout.buffer.write(gzip.open(sys.argv[1],"rb").read())' "$file" >> "$out" 2>/dev/null
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;;
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*)
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cat "$file" >> "$out"
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;;
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esac
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}
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fetch_index() {
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URI="$1"
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TMPIDX="$ROOT/tmp/index.$$"
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rm -f "$TMPIDX" "$TMPIDX.xz" "$TMPIDX.gz"
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case "$URI" in
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file://*)
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DIR="${URI#file://}"
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for name in Packages Packages.xz Packages.gz; do
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if [ -f "$DIR/$name" ]; then
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decompress_index "$DIR/$name" "$INDEX"
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return 0
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fi
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done
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;;
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http://*|https://*)
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if curl -L --fail --silent --connect-timeout 10 --max-time 120 "$URI/Packages.xz" -o "$TMPIDX.xz" 2>/dev/null; then
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decompress_index "$TMPIDX.xz" "$INDEX"
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rm -f "$TMPIDX.xz"
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return 0
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fi
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if curl -L --fail --silent --connect-timeout 10 --max-time 120 "$URI/Packages.gz" -o "$TMPIDX.gz" 2>/dev/null; then
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decompress_index "$TMPIDX.gz" "$INDEX"
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rm -f "$TMPIDX.gz"
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return 0
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fi
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if curl -L --fail --silent --connect-timeout 10 --max-time 120 "$URI/Packages" -o "$TMPIDX" 2>/dev/null; then
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cat "$TMPIDX" >> "$INDEX"
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rm -f "$TMPIDX"
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return 0
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fi
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;;
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esac
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return 1
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}
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update_lists() {
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ensure
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echo "apt: updating package lists..."
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: > "$INDEX"
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if [ ! -f "$SOURCES" ]; then
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mkdir -p "$(dirname "$SOURCES")"
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printf 'deb [trusted=yes] file://%s/repo ./\n' "$ROOT" > "$SOURCES"
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fi
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n=1
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while [ $n -le 8 ]; do
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LINE=$(awk -v want="$n" '/^deb /{ count++; if (count == want) { print; exit } }' "$SOURCES")
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[ -n "$LINE" ] || break
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set -- $LINE
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if [ "${2:-}" = "[trusted=yes]" ]; then
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URI="${3:-}"; SUITE="${4:-./}"
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else
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URI="${2:-}"; SUITE="${3:-./}"
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fi
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if [ -n "$URI" ]; then
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case "$URI" in
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http://*|https://*)
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if [ "${APT_SKIP_REMOTE:-0}" = "1" ]; then
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echo "Ign:$n $URI (remote skipped)"
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n=$((n + 1))
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continue
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fi
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;;
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esac
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if fetch_index "$URI"; then
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echo "Get:$n $URI $SUITE"
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else
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echo "Err:$n $URI (no index / unreachable)" >&2
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fi
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fi
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n=$((n + 1))
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done
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echo "Reading package lists... Done"
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}
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search_packages() {
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text="${1:-}"
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ensure
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[ -f "$INDEX" ] || { echo "E: Run 'apt update' first" >&2; return 1; }
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awk -v pat="$text" 'BEGIN{RS="";FS="\n"} {
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if (pat == "" || tolower($0) ~ tolower(pat)) {
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p=""; v=""; d="";
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for (i=1;i<=NF;i++) {
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if ($i ~ /^Package: /) p=substr($i,10);
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if ($i ~ /^Version: /) v=substr($i,10);
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if ($i ~ /^Description: /) d=substr($i,14);
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}
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if (p != "") printf "%-28s %-16s %s\n", p, v, d;
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}
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}' "$INDEX"
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}
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show_package() {
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pkg="${1:-}"
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ensure
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stanza=$(find_stanza "$pkg")
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if [ -z "$stanza" ]; then
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echo "E: Unable to locate package $pkg" >&2
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return 1
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fi
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printf '%s\n' "$stanza"
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}
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install_one() {
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local pkg="$1"
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local stanza version depends dep filename local_archive base oldifs
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[ -n "$pkg" ] || return 0
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case " $VISITED " in *" $pkg "*) return 0 ;; esac
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VISITED="$VISITED $pkg"
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if is_installed "$pkg"; then
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echo "$pkg is already the newest version."
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return 0
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fi
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stanza=$(find_stanza "$pkg")
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if [ -z "$stanza" ]; then
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for localdeb in "$ROOT/repo/pool/${pkg}"_*.deb; do
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if [ -f "$localdeb" ]; then
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echo "Installing $pkg from local pool..."
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sh "$DPKG" -i "$localdeb" || return 1
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return 0
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fi
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done
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echo "E: Unable to locate package $pkg" >&2
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return 1
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fi
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version=$(field Version "$stanza")
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depends=$(field Depends "$stanza")
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if [ -n "$depends" ]; then
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oldifs="$IFS"
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IFS=','
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for dep in $depends; do
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IFS="$oldifs"
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dep=${dep%%|*}
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dep=${dep%%(*}
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dep=$(echo "$dep" | tr -d ' ')
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dep=${dep%:any}
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[ -n "$dep" ] || continue
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if ! is_installed "$dep"; then
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if [ -n "$(find_stanza "$dep")" ]; then
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echo "Installing dependency: $dep"
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install_one "$dep" || return 1
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else
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echo "W: dependency '$dep' is not in the index" >&2
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fi
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fi
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IFS=','
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done
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IFS="$oldifs"
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fi
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filename=$(field Filename "$stanza")
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if [ -z "$filename" ]; then
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echo "E: package $pkg has no Filename field" >&2
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return 1
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fi
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filename="${filename#./}"
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local_archive="$CACHE/${pkg}_${version}.deb"
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if [ -f "$ROOT/repo/$filename" ]; then
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cp "$ROOT/repo/$filename" "$local_archive" || return 1
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else
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fetched=0
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BASES=$(awk '/^deb /{for(i=1;i<=NF;i++) if($i ~ /^https?:/) print $i}' "$SOURCES")
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for base in $BASES; do
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if curl -L --fail --silent --connect-timeout 10 --max-time 180 "$base/$filename" -o "$local_archive" 2>/dev/null; then
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fetched=1
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break
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fi
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done
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if [ $fetched -ne 1 ]; then
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echo "E: cannot fetch $filename" >&2
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return 1
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fi
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fi
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echo "Installing $pkg ($version)..."
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echo "apt: invoking dpkg..."
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sh "$DPKG" -i "$local_archive" || return 1
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return 0
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}
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install_packages() {
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ensure
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echo "apt: resolving packages..."
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[ -f "$INDEX" ] || { echo "E: Run 'apt update' first" >&2; return 1; }
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status=0
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for arg in "$@"; do
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case "$arg" in
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*.deb)
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sh "$DPKG" -i "$arg" || status=1
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;;
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*)
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install_one "$arg" || status=1
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;;
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esac
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done
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echo "Done."
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return $status
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}
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remove_packages() {
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status=0
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for pkg in "$@"; do
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sh "$DPKG" -r "$pkg" || status=1
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done
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return $status
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}
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list_installed() {
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sh "$DPKG" -l
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}
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list_all() {
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ensure
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[ -f "$INDEX" ] || { echo "E: Run 'apt update' first" >&2; return 1; }
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awk 'BEGIN{RS="";FS="\n"} {
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p="";v="";a="";
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for(i=1;i<=NF;i++){
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if($i~/^Package: /)p=substr($i,10);
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if($i~/^Version: /)v=substr($i,10);
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if($i~/^Architecture: /)a=substr($i,14);
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}
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if(p!="") printf "%-28s %-16s %s\n", p, v, a;
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}' "$INDEX"
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}
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case "${1:-}" in
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update) update_lists ;;
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search) shift; search_packages "${1:-}" ;;
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show) shift; show_package "${1:-}" ;;
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install) shift; install_packages "$@" ;;
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remove|uninstall) shift; remove_packages "$@" ;;
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purge) shift; remove_packages "$@" ;;
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list)
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shift
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if [ "${1:-}" = "--installed" ]; then list_installed; else list_all; fi
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;;
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clean)
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rm -f "$CACHE"/*.deb
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echo "Cleaned package archives"
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;;
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--version|-v)
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echo "apt 1.0 (Terminal native package front-end)"
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;;
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""|-h|--help|help) usage ;;
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*) usage; exit 2 ;;
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esac
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