v/cmd/tools/vup.v

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module main
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import (
os
filepath
)
fn main() {
println('Updating V...')
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vroot := filepath.dir(os.getenv('VEXE'))
os.chdir(vroot)
s := os.exec('git -C "$vroot" pull --rebase origin master') or { panic(err) }
println(s.output)
$if windows {
v_backup_file := '$vroot/v_old.exe'
if os.exists( v_backup_file ) {
os.rm( v_backup_file )
}
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os.mv('$vroot/v.exe', v_backup_file)
s2 := os.exec('"$vroot/make.bat"') or { panic(err) }
println(s2.output)
} $else {
s2 := os.exec('make -C "$vroot"') or { panic(err) }
println(s2.output)
}
}