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Olaf Hering
757df439ab
A small helper to draw a graph with dot(1) and show it with display(1): bash tools/hotplug/Linux/systemd/show_service_dependencies.sh \ tools/hotplug/Linux/systemd/*.in A red line means Requires= aka "enable it" A blue line means After= A green line means Before= Signed-off-by: Olaf Hering <olaf@aepfle.de> Acked-by: Wei Liu <wei.liu2@citrix.com>
32 lines
731 B
Bash
32 lines
731 B
Bash
#!/bin/bash
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# dot(1) from graphviz, display(1) from ImageMagick
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# Usage: bash $0 tools/hotplug/Linux/systemd/*.in
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(
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echo " digraph systemd {"
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for file in "$@"
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do
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if test -f "$file"
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then
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unit=${file##*/}
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unit=${unit%.in}
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requires="`grep ^Requires= $file | cut -f 2- -d =`"
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before="`grep ^Before= $file | cut -f 2- -d =`"
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after="`grep ^After= $file | cut -f 2- -d =`"
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echo "\"$unit\" [fillcolor=lightgray color=black fontcolor=black style=filled];"
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for i in $requires
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do
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echo "\"$i\" -> \"$unit\" [color=red];"
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done
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for i in $after
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do
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echo "\"$i\" -> \"$unit\" [color=blue];"
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done
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for i in $before
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do
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echo "\"$unit\" -> \"$i\" [color=green];"
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done
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fi
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done
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echo "}"
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) | dot -Tpng | display -
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