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Executable
+42
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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 apt-cache (unit tests): show / rdepends / policy from data/apt/
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# shellcheck source=../fakelib.bash
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. "${BASH_SOURCE[0]%/*}/../fakelib.bash"
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fake_log "$@"
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pkgs=()
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for a in "$@"; do case $a in -*) ;; *) pkgs+=("$a") ;; esac; done
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verb=${pkgs[0]}
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pkgs=("${pkgs[@]:1}")
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case $verb in
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show)
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f=$FAKE_DATA/apt/show/${pkgs[0]}
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if [[ ! -f $f ]] || fake_purged "${pkgs[0]}"; then
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echo "E: No packages found" >&2
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exit 100
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fi
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cat "$f"
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;;
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rdepends)
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f=$FAKE_DATA/apt/rdepends/${pkgs[0]}
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if [[ -f $f ]]; then cat "$f"; else printf '%s\nReverse Depends:\n' "${pkgs[0]}"; fi
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;;
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policy)
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# print the stanzas of the requested packages
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want=" ${pkgs[*]} "
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show=0
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while IFS= read -r line; do
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if [[ $line =~ ^([^ ].*):$ ]]; then
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if [[ $want == *" ${BASH_REMATCH[1]} "* ]]; then show=1; else show=0; fi
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fi
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((show)) && printf '%s\n' "$line"
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done <"$FAKE_DATA/apt/policy.txt"
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exit 0
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;;
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*)
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echo "fake apt-cache: unhandled: $*" >&2
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exit 99
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;;
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esac
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Executable
+128
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#!/usr/bin/env bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2026 Bryan Joshua Pedini
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# fake apt-get (unit tests). Scenario: FAKE_APT_SIM=fixture|held|real|none|purge (data/apt/sim-*.txt).
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# Purge simulation: installed = the "ii" rows of data/apt/dpkg-status.tsv; reverse dependencies from
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# data/apt/purge-rdeps.txt; pre-existing orphans from data/apt/autoremovable.txt (added by
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# --auto-remove, which is system-wide like the real one); FAKE_APT_AUTO_ORPHANS="pkg:dep ..." are
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# the auto-installed dependencies a purge of pkg orphans; FAKE_APT_SIM_EXTRA="pkg:other ..." makes a
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# simulated purge of pkg also remove other (a dependent apt-cache rdepends did not report).
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# shellcheck source=../fakelib.bash
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. "${BASH_SOURCE[0]%/*}/../fakelib.bash"
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fake_log "$@"
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args=" $* "
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D=$FAKE_DATA/apt
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installed() { grep -q "^.i *"$'\t'"$1"$'\t' "$D/dpkg-status.tsv" && ! fake_purged "$1"; }
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orphans() { while IFS= read -r o; do installed "$o" && printf '%s\n' "$o"; done <"$D/autoremovable.txt"; }
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# purge_set [--auto-remove] NAME...: the packages a purge removes, sorted
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purge_set() {
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local auto=0 n r line
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if [[ $1 == --auto-remove ]]; then
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auto=1
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shift
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fi
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{
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for n in "$@"; do
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installed "$n" || continue
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echo "$n"
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while IFS= read -r line; do
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[[ $line == "$n: "* ]] || continue
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for r in ${line#*: }; do installed "$r" && echo "$r"; done
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done <"$D/purge-rdeps.txt"
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if ((auto)); then
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for r in ${FAKE_APT_AUTO_ORPHANS:-}; do [[ ${r%%:*} == "$n" ]] && installed "${r#*:}" && echo "${r#*:}"; done
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fi
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for r in ${FAKE_APT_SIM_EXTRA:-}; do [[ ${r%%:*} == "$n" ]] && installed "${r#*:}" && echo "${r#*:}"; done
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done
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if ((auto)); then orphans; fi
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} | sort -u
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}
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case $args in
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*' update '*)
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rc=$(fake_rc FAKE_APT_UPDATE_RC 0)
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if ((rc)); then
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echo "E: Failed to fetch http://deb.debian.org/debian/dists/bookworm/InRelease Temporary failure resolving 'deb.debian.org'" >&2
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echo "E: Some index files failed to download. They have been ignored, or old ones used instead." >&2
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fi
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exit "$rc"
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;;
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*' -s '*autoremove*)
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while IFS= read -r o; do [[ -n $o ]] && echo "Remv $o [1.0]"; done < <(orphans)
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exit 0
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;;
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*' -s '*purge*)
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names=()
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auto=()
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for a in "$@"; do
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case $a in --auto-remove) auto=(--auto-remove) ;; -* | purge) ;; *) names+=("$a") ;; esac
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done
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rc=$(fake_rc FAKE_APT_SIM_PURGE_RC 0)
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if ((rc)); then
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echo "E: Unable to correct problems, you have held broken packages." >&2
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exit "$rc"
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fi
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for n in "${names[@]}"; do
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if ! grep -q $'\t'"$n"$'\t' "$D/dpkg-status.tsv" && [[ $n != su-dummy-newdep ]]; then
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echo "E: Unable to locate package $n" >&2
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exit 100
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fi
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done
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while IFS= read -r p; do [[ -n $p ]] && echo "Purg $p [1.0]"; done < <(purge_set "${auto[@]}" "${names[@]}")
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exit 0
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;;
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*' -s '*' upgrade '*)
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f=$D/sim-${FAKE_APT_SIM:-fixture}.txt
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while IFS= read -r line; do
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name=
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case $line in Inst\ * | Conf\ *) name=${line#* }; name=${name%% *} ;; esac
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if [[ -n $name ]] && fake_purged "$name"; then continue; fi
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if [[ $line == ' '* && -f $FAKE_DIR/purged ]]; then
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while IFS= read -r p; do line=${line//$p/}; done <"$FAKE_DIR/purged"
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fi
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printf '%s\n' "$line"
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done <"$f"
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exit 0
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;;
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*' upgrade '*)
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echo "holds during upgrade: $(sort "$FAKE_DIR/holds" 2>/dev/null | tr '\n' ' ')" >>"$FAKE_LOG"
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# which of our lock files does the package manager have open (it must have none)?
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if [[ -d /proc/$$/fd ]]; then
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n=0
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for fd in "/proc/$$/fd"/*; do
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[[ $(readlink "$fd" 2>/dev/null) == *.lock ]] && n=$((n + 1))
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done
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echo "lock fds in the upgrade: $n" >>"$FAKE_LOG"
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fi
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if [[ -n ${FAKE_APT_UPGRADE_KILL:-} ]]; then
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kill -s "$FAKE_APT_UPGRADE_KILL" "$PPID"
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sleep 0.2
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fi
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if [[ -n ${FAKE_KILL_READER:-} ]]; then
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# close the applet's stdout: kill the process reading it, then keep writing
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pid=$(cat "$FAKE_DIR/reader.pid")
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kill -9 "$pid"
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while kill -0 "$pid" 2>/dev/null; do sleep 0.05; done
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fi
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echo "Reading package lists..." 2>/dev/null
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echo "0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded." 2>/dev/null
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exit "$(fake_rc FAKE_APT_UPGRADE_RC 0)"
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;;
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*' purge '*)
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rc=$(fake_rc FAKE_APT_PURGE_RC 0)
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if ((rc == 0)); then
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for a in "$@"; do case $a in -* | purge) ;; *) fake_mark_purged "$a" ;; esac; done
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# FAKE_APT_PURGE_ALSO: packages that disappear although the plan did not name them
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read -r -a also <<<"${FAKE_APT_PURGE_ALSO:-}"
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((${#also[@]} == 0)) || fake_mark_purged "${also[@]}"
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else
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echo "E: Held packages were changed and -y was used without --allow-change-held-packages." >&2
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fi
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exit "$rc"
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;;
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esac
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echo "fake apt-get: unhandled: $*" >&2
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exit 99
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Executable
+67
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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 apt-mark (unit tests): hold state in $FAKE_DIR/holds (one name per line).
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# FAKE_APT_MARK_LOCKED=N: the first N hold/unhold calls fail like dpkg's busy frontend lock.
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# FAKE_APT_MARK_UNHOLD_SIGNAL=SIG: send SIG to the applet before an unhold (a second Ctrl-C).
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# FAKE_APT_MARK_UNHOLD_RC=N: unhold fails (nothing released). FAKE_APT_MARK_FAIL_MSG: the message a
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# failing hold prints. Every unhold logs whether $STATE_DIR/holds.lock is held by someone.
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# shellcheck source=../fakelib.bash
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. "${BASH_SOURCE[0]%/*}/../fakelib.bash"
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fake_log "$@"
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h=$FAKE_DIR/holds
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touch "$h"
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verb=$1
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shift
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case $verb in hold | unhold)
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if [[ -n ${FAKE_APT_MARK_LOCKED:-} ]]; then
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n=$(cat "$FAKE_DIR/locked-calls" 2>/dev/null || echo 0)
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if ((n < FAKE_APT_MARK_LOCKED)); then
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echo $((n + 1)) >"$FAKE_DIR/locked-calls"
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echo "${FAKE_APT_MARK_LOCK_MSG:-dpkg: error: dpkg frontend lock was locked by another process with pid 4242}"
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echo "E: Sub-process dpkg --set-selections returned an error code (2)"
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echo "E: Executing dpkg failed. Are you root?"
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exit 100
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fi
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fi
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;;
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esac
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case $verb in
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showhold) sort "$h" ;;
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hold)
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for p in "$@"; do
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if grep -qxF -- "$p" "$h"; then echo "$p was already set on hold."; else
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echo "$p" >>"$h"
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echo "$p set on hold."
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fi
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done
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[[ -z ${FAKE_APT_MARK_FAIL_MSG:-} ]] || echo "$FAKE_APT_MARK_FAIL_MSG" >&2
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exit "$(fake_rc FAKE_APT_MARK_HOLD_RC 0)"
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;;
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unhold)
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if [[ -n ${SKEPTICAL_UPDATER_STATE_DIR:-} && -e $SKEPTICAL_UPDATER_STATE_DIR/holds.lock ]] && command -v flock >/dev/null; then
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if flock -n "$SKEPTICAL_UPDATER_STATE_DIR/holds.lock" true; then l=free; else l=held; fi
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echo "holds.lock during unhold: $l" >>"$FAKE_LOG"
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fi
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if [[ -n ${FAKE_APT_MARK_UNHOLD_RC:-} ]]; then
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echo "E: Unable to correct problems" >&2
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exit "$FAKE_APT_MARK_UNHOLD_RC"
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fi
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if [[ -n ${FAKE_APT_MARK_UNHOLD_SIGNAL:-} ]]; then
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kill -s "$FAKE_APT_MARK_UNHOLD_SIGNAL" "$(cat "$FAKE_DIR/applet.pid" 2>/dev/null || echo "$PPID")" 2>/dev/null
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sleep 0.2
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fi
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for p in "$@"; do
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if grep -qxF -- "$p" "$h"; then
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grep -vxF -- "$p" "$h" >"$h.new" || true
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mv "$h.new" "$h"
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echo "Canceled hold on $p."
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else echo "$p was already not on hold."; fi
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done
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;;
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*)
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echo "fake apt-mark: unhandled: $verb $*" >&2
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exit 99
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;;
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esac
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Executable
+19
@@ -0,0 +1,19 @@
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#!/usr/bin/env bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2026 Bryan Joshua Pedini
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# fake dpkg-query (unit tests): the dpkg database dump used for dependency closures
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# shellcheck source=../fakelib.bash
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. "${BASH_SOURCE[0]%/*}/../fakelib.bash"
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fake_log "$@"
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# FAKE_STATE_APPEND / FAKE_STATE_SED: simulate another process writing the statefile meanwhile
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st=${SKEPTICAL_UPDATER_STATE_DIR:-}/trusted.tsv
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if [[ -n ${FAKE_STATE_APPEND:-} ]]; then printf '%s\n' "$FAKE_STATE_APPEND" >>"$st"; fi
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if [[ -n ${FAKE_STATE_SED:-} ]]; then sed -i "$FAKE_STATE_SED" "$st"; fi
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case " $* " in
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*' -W '*) cat "$FAKE_DATA/apt/dpkg-status.tsv" ;;
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*)
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echo "fake dpkg-query: unhandled: $*" >&2
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exit 99
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;;
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esac
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