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#!/usr/bin/env bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2026 Bryan Joshua Pedini
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# fake dnf (unit tests). FAKE_DNF_MAJOR=4|5 picks the output dialect; FAKE_DNF_CHECK_RC=0|1 simulates
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# "no updates" / an error; FAKE_DNF_CHECK=obsoletes replays a check-update with only an
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# "Obsoleting Packages" section; FAKE_DNF_REMOVE_REFUSE=1 makes `--assumeno remove` fail;
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# removal tables: see the --assumeno remove branch.
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# shellcheck source=../fakelib.bash
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. "${BASH_SOURCE[0]%/*}/../fakelib.bash"
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# shellcheck source=../../data/rpm/db.bash
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. "$FAKE_DATA/rpm/db.bash"
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fake_log "$@"
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D=$FAKE_DATA/dnf
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major=${FAKE_DNF_MAJOR:-4}
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pos=()
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for a in "$@"; do case $a in -*) ;; *) pos+=("$a") ;; esac; done
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installed() { [[ -n ${EVR[$1]:-} ]] && ! fake_purged "$1"; }
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case " $* " in
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*' --version '*) if ((major == 5)); then echo "dnf5 version 5.4.3.0"; else echo "4.14.0"; fi ;;
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*' makecache '*)
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rc=$(fake_rc FAKE_DNF_MAKECACHE_RC 0)
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((rc == 0)) || echo "Error: Failed to download metadata for repo 'su-dummy': Cannot download repomd.xml" >&2
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exit "$rc"
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;;
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*' check-update '*)
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rc=$(fake_rc FAKE_DNF_CHECK_RC 100)
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f=$D/check-update-dnf$major.txt
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[[ ${FAKE_DNF_CHECK:-} != obsoletes ]] || f=$D/check-update-obsoletes.txt
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case $rc in
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100)
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while IFS= read -r line; do
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read -r na _ <<<"$line"
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[[ -n $na ]] && fake_purged "${na%.*}" && continue
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printf '%s\n' "$line"
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done <"$f"
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;;
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1) echo "Error: Failed to download metadata for repo 'baseos'" >&2 ;;
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esac
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exit "$rc"
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;;
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*' repoquery '*)
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p=${pos[-1]}
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case " $* " in
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*' --upgrades '*) case $p in su-dummy-[abc]) printf 'skeptical-updater dummy %s (v2.0)\n' "$p"; ((major == 5)) || echo ;; esac ;;
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*) case $p in su-dummy-new) printf 'skeptical-updater dummy su-dummy-new (v1.0)\n' ;; esac ;;
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esac
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exit 0
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;;
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*' info '*)
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p=${pos[-1]}
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if [[ -f $D/info-$p.txt ]]; then cat "$D/info-$p.txt"; else
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echo "Error: No matching Packages to list" >&2
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exit 1
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fi
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;;
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*' --assumeno '*remove*)
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# the removal table: the target, its dependents (su-dummy-a for su-dummy-b; FAKE_DNF_DEPENDENT=
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# "pkg:other"), its unused dependencies (FAKE_DNF_UNUSED="pkg:dep"); FAKE_DNF_WRAP wraps those rows
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p=${pos[-1]}
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if [[ -n ${FAKE_DNF_REMOVE_REFUSE:-} ]]; then
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echo "Error: Problem: The operation would result in removing the following protected packages: $p"
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exit 1
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fi
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if ! installed "$p"; then
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echo "No match for argument: $p"
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echo "No packages marked for removal."
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echo "Dependencies resolved."
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echo "Nothing to do."
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echo "Complete!"
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exit 0
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fi
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dependent=() unused=()
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[[ $p != su-dummy-b ]] || ! installed su-dummy-a || dependent+=(su-dummy-a)
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for r in ${FAKE_DNF_DEPENDENT:-}; do [[ ${r%%:*} == "$p" ]] && dependent+=("${r#*:}"); done
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for r in ${FAKE_DNF_UNUSED:-}; do [[ ${r%%:*} == "$p" ]] && unused+=("${r#*:}"); done
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row() { # row NAME
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if ((major == 5)); then
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if [[ -n ${FAKE_DNF_WRAP:-} && $1 != "$p" ]]; then
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echo " $1"
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echo " noarch 0:1.0-1 <unknown> 15.0 B"
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else
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echo " $1 noarch 0:1.0-1 <unknown> 15.0 B"
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fi
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elif [[ -n ${FAKE_DNF_WRAP:-} && $1 != "$p" ]]; then
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printf ' %s\n' "$1"
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printf ' noarch 1.0-1 @System 15\n'
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else
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printf ' %-20s noarch 1.0-1 @System 15\n' "$1"
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fi
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}
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if ((major == 5)); then
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echo "Package Arch Version Repository Size"
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else
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echo "Dependencies resolved."
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echo "================================================================================"
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echo " Package Architecture Version Repository Size"
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echo "================================================================================"
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fi
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echo "Removing:"
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row "$p"
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if ((${#dependent[@]})); then
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echo "Removing dependent packages:"
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for r in "${dependent[@]}"; do row "$r"; done
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fi
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if ((${#unused[@]})); then
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echo "Removing unused dependencies:"
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for r in "${unused[@]}"; do row "$r"; done
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fi
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echo
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n=$((1 + ${#dependent[@]} + ${#unused[@]}))
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if ((major == 5)); then
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echo "Transaction Summary:"
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echo " Removing: $n packages"
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echo "Operation aborted by the user."
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else
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echo "Transaction Summary"
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echo "================================================================================"
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echo "Remove $n Packages"
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echo
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echo "Operation aborted."
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fi
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exit 1
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;;
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*' upgrade '*) exit "$(fake_rc FAKE_DNF_UPGRADE_RC 0)" ;;
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*' remove '*)
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fake_mark_purged "${pos[@]:1}"
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exit 0
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;;
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*)
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echo "fake dnf: unhandled: $*" >&2
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exit 99
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;;
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esac
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