381d2aa8f7
systemd-udevd substitutes variables starting with $ in the PROGRAM argument. If a shell variable is to be used, two $ need to be used to escape properly. This fixes three instances of the following warning: Invalid value "..." for PROGRAM (char 58: invalid substitution type), ignoring, but please fix it.
36 lines
829 B
Plaintext
36 lines
829 B
Plaintext
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KERNEL=="ttyAMA0", PROGRAM="/bin/sh -c '\
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ALIASES=/proc/device-tree/aliases; \
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if cmp -s $$ALIASES/uart0 $$ALIASES/serial0; then \
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echo 0;\
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elif cmp -s $$ALIASES/uart0 $$ALIASES/serial1; then \
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echo 1; \
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else \
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exit 1; \
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fi\
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'", SYMLINK+="serial%c"
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KERNEL=="ttyAMA1", PROGRAM="/bin/sh -c '\
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ALIASES=/proc/device-tree/aliases; \
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if [ -e /dev/ttyAMA0 ]; then \
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exit 1; \
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elif cmp -s $$ALIASES/uart0 $$ALIASES/serial0; then \
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echo 0;\
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elif cmp -s $$ALIASES/uart0 $$ALIASES/serial1; then \
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echo 1; \
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else \
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exit 1; \
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fi\
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'", SYMLINK+="serial%c"
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KERNEL=="ttyS0", PROGRAM="/bin/sh -c '\
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ALIASES=/proc/device-tree/aliases; \
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if cmp -s $$ALIASES/uart1 $$ALIASES/serial0; then \
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echo 0; \
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elif cmp -s $$ALIASES/uart1 $$ALIASES/serial1; then \
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echo 1; \
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else \
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exit 1; \
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fi \
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'", SYMLINK+="serial%c"
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