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v/cmd/tools/vup.v

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module main
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import (
os
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v.pref
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v.util
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)
fn main() {
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vroot := os.dir(pref.vexe_path())
os.chdir(vroot)
println('Updating V...')
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// git pull
git_result := os.exec('git pull --rebase origin master') or {
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panic(err)
}
if git_result.exit_code != 0 {
if git_result.output.contains('Permission denied') {
eprintln('have no access $vroot: Permission denied')
} else {
eprintln(git_result.output)
}
exit(1)
}
println(git_result.output)
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v_hash := util.githash(false)
current_hash := util.githash(true)
// println(v_hash)
// println(current_hash)
if v_hash == current_hash {
return
}
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$if windows {
backup('v.exe')
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make_result := os.exec('make.bat') or {
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panic(err)
}
println(make_result.output)
backup('cmd/tools/vup.exe')
} $else {
make_result := os.exec('make') or {
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panic(err)
}
println(make_result.output)
}
_ := os.exec('v cmd/tools/vup.v') or {
panic(err)
}
}
fn backup(file string) {
backup_file := '${file}_old.exe'
if os.exists(backup_file) {
os.rm(backup_file)
}
os.mv(file, backup_file)
}