68 lines
2.3 KiB
Bash
Executable File
68 lines
2.3 KiB
Bash
Executable File
#!/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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