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TungliesandCopilot
ae2b2b6a06
Refs #8515 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
29 lines
1.1 KiB
Bash
Executable File
29 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Installed as /usr/bin/clash-verge-service-uninstall. During an rpm upgrade the new %post
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# reinstalls an existing Service before the previous package's %preun runs, and released
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# %preun scripts uninstall it unconditionally through this path. Skip only that call: one
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# made by a scriptlet of the transaction that %post recorded.
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RECORD=/run/clash-verge-service-rpm-upgrade
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UNINSTALLER=/usr/lib/clash-verge-rev/clash-verge-service-uninstall
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# Fields after the parenthesised command name, which may itself contain spaces.
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stat_field() {
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sed 's/.*) //' "/proc/$1/stat" 2>/dev/null | cut -d' ' -f"$2"
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}
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if [ -f "$RECORD" ] && [ ! -L "$RECORD" ] && read -r txn_pid txn_start <"$RECORD"; then
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pid=$PPID
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depth=0
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while [ "$depth" -lt 4 ] && [ -n "$pid" ] && [ "$pid" -gt 1 ]; do
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if [ "$pid" = "$txn_pid" ] && [ "$(stat_field "$pid" 20)" = "$txn_start" ]; then
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rm -f "$RECORD"
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echo "Keeping the Clash Verge Service reinstalled by this upgrade."
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exit 0
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fi
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pid="$(stat_field "$pid" 2)"
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depth=$((depth + 1))
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done
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fi
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exec "$UNINSTALLER" "$@"
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