[explorer/init] Support for Darwin and more BusyBox combinations
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1 changed files with 13 additions and 5 deletions
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@ -23,14 +23,22 @@
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# for example at linux this value is "init" or "systemd" in most cases
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# for example at linux this value is "init" or "systemd" in most cases
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#
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#
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uname_s="$(uname -s)"
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case $(uname -s) in
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case "$uname_s" in
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Linux)
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Linux)
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(pgrep -P0 -l | awk '/^1[ \t]/ {print $2;}') || true
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if command -v pgrep >/dev/null
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then
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# BusyBox's version of ps does not support some options.
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# On Linux systems, we prefer pgrep to get the name of PID1.
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(pgrep -P0 -l | awk '/^1[ \t]/ {print $2;}') || true
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else
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ps -o comm= -p 1 2>/dev/null || cat /proc/1/comm
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fi
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;;
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;;
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FreeBSD|OpenBSD)
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FreeBSD|OpenBSD)
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ps -o comm= -p 1 || true
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ps -o comm= -p 1 2>/dev/null || true
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;;
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Darwin)
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basename "$(ps -o comm= -p 1 2>/dev/null)"
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;;
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;;
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*)
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*)
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# return a empty string as unknown value
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# return a empty string as unknown value
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