syncthing/lib/build/runtimeos.sh

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# Copyright (C) 2022 The Syncthing Authors.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at https://mozilla.org/MPL/2.0/.
#!/bin/sh
# List known operating system/architecture combos, removing the
# architecture, and making constants of them.
osname() {
echo "$1" | awk '{print toupper(substr($1, 1, 1)) substr($1, 2)}' \
| sed s/aix/AIX/i \
| sed s/bsd/BSD/i \
| sed s/ios/IOS/i \
| sed s/js/JS/i
}
osconstants() {
echo "// Code generated by runtimeos.sh. DO NOT EDIT."
echo "package build"
echo "import \"runtime\""
echo "const ("
for OS in $(go tool dist list | sed 's|/.*||' | sort | uniq) ; do
name=$(osname "$OS")
echo "$name = \"$OS\""
done
echo ")"
echo
echo "const ("
for OS in $(go tool dist list | sed 's|/.*||' | sort | uniq) ; do
name=$(osname "$OS")
echo "Is$name = runtime.GOOS == $name"
done
echo ")"
}
osconstants > runtimeos.gen.go
gofmt -w -s runtimeos.gen.go