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https://github.com/amnezia-vpn/amneziawg-linux-kernel-module.git
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29 lines
682 B
Bash
Executable File
29 lines
682 B
Bash
Executable File
#!/bin/bash
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silent=0
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level=0
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ifs=( )
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while IFS= read -r line; do
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if [[ $line =~ ^[[:space:]]*(#if.*) ]]; then
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ifs[level++]=0
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if [[ ${BASH_REMATCH[1]} == "#ifndef COMPAT_CANNOT_"* ]]; then
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ifs[level-1]=-1
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continue
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elif [[ ${BASH_REMATCH[1]} == "#ifdef COMPAT_CANNOT_"* ]]; then
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ifs[level-1]=1
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((++silent))
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continue
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fi
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elif [[ $line =~ ^[[:space:]]*#else && ${ifs[level-1]} -ne 0 ]]; then
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((ifs[level-1]*=-1))
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((silent+=ifs[level-1]))
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continue
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elif [[ $line =~ ^[[:space:]]*#endif ]]; then
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((--level))
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[[ ${ifs[level]} -eq 1 ]] && ((--silent))
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[[ ${ifs[level]} -ne 0 ]] && continue
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fi
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[[ $silent -eq 0 ]] && printf '%s\n' "$line"
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done < "$1"
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