deploy: remote build scripts (build-remote.sh, install-buildkey.ps1) + self-hosted build machine setup

build/remote/build-remote.sh

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+#!/usr/bin/env bash
+# 빌드머신(ChanpacaLaptop=linux-x64 / Mac mini=osx-arm64)에서
+# git HEAD 소스를 전송해 Cli + Avalonia 셸을 RID별 self-contained publish 하고
+# 산출물을 로컬 out/remote/<rid>/ 로 수집한다.
+#
+# 사용 (Windows Git Bash): bash build/remote/build-remote.sh [linux|mac|all]
+# 사전 조건: ssh 별칭 vd-linux / vd-mac (키 인증), 각 머신 ~/.dotnet SDK 8
+set -euo pipefail
+cd "$(dirname "$0")/../.."
+
+TARGET="${1:-all}"
+REMOTE_DIR="build/videodownloader"
+
+push_src() { # $1 = ssh 대상
+  git archive HEAD | ssh -o BatchMode=yes "$1" "rm -rf $REMOTE_DIR && mkdir -p $REMOTE_DIR && tar -x -C $REMOTE_DIR"
+}
+
+build_on() { # $1 = ssh 대상, $2 = RID
+  echo "==> [$1] publish $2"
+  ssh -o BatchMode=yes "$1" "cd $REMOTE_DIR && export DOTNET_ROOT=\$HOME/.dotnet && export PATH=\$HOME/.dotnet:\$PATH && \
+    dotnet publish VideoDownloader.Cli -c Release -r $2 --self-contained -o out/cli-$2 && \
+    dotnet publish VideoDownloader.Avalonia -c Release -r $2 --self-contained -o out/avalonia-$2 && \
+    cd out && tar -czf artifacts-$2.tar.gz cli-$2 avalonia-$2"
+}
+
+collect() { # $1 = ssh 대상, $2 = RID
+  mkdir -p "out/remote/$2"
+  scp -o BatchMode=yes "$1:$REMOTE_DIR/out/artifacts-$2.tar.gz" "out/remote/$2/" && \
+    tar -xzf "out/remote/$2/artifacts-$2.tar.gz" -C "out/remote/$2" && \
+    echo "    수집: out/remote/$2/{cli-$2,avalonia-$2}"
+}
+
+if [[ "$TARGET" == "linux" || "$TARGET" == "all" ]]; then
+  push_src vd-linux
+  build_on vd-linux linux-x64
+  collect vd-linux linux-x64
+fi
+if [[ "$TARGET" == "mac" || "$TARGET" == "all" ]]; then
+  push_src vd-mac
+  build_on vd-mac osx-arm64
+  collect vd-mac osx-arm64
+fi
+echo "완료."

build/remote/install-buildkey.ps1

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+# 빌드머신에 vd-build 공개키 (재)설치 — .env 자격증명으로 접속해 authorized_keys 정리.
+# 사용: pwsh -File build\remote\install-buildkey.ps1
+$ErrorActionPreference = 'Stop'
+$repo = Split-Path $PSScriptRoot -Parent | Split-Path -Parent
+$cfg = @{}
+Get-Content (Join-Path $repo '.env') | ForEach-Object {
+    $line = $_.TrimEnd("`r")
+    if ($line -match '^([A-Z_]+)=(.*)$') { $cfg[$matches[1]] = $matches[2] }
+}
+$pubkey = (Get-Content "$env:USERPROFILE\.ssh\id_ed25519_vd.pub" -Raw).Trim()
+$machines = @(
+    @{ Name = 'MAC';   Host = $cfg['MAC_OS_HOST'];   User = $cfg['MAC_OS_USER'];   Pw = $cfg['MAC_OS_PASSWORD'] },
+    @{ Name = 'LINUX'; Host = $cfg['LINUX_OS_HOST']; User = $cfg['LINUX_OS_USER']; Pw = $cfg['LINUX_OS_PASSWORD'] }
+)
+foreach ($m in $machines) {
+    $sec = ConvertTo-SecureString $m.Pw -AsPlainText -Force
+    $cred = [Management.Automation.PSCredential]::new($m.User, $sec)
+    $s = New-SSHSession -ComputerName $m.Host -Credential $cred -AcceptKey -ConnectionTimeout 15 -ErrorAction Stop
+    $cmds = @(
+        'mkdir -p ~/.ssh && chmod 700 ~/.ssh',
+        "sed -i '/ vd-build$/d' ~/.ssh/authorized_keys 2>/dev/null; echo '$pubkey' >> ~/.ssh/authorized_keys",
+        'chmod 600 ~/.ssh/authorized_keys'
+    )
+    foreach ($c in $cmds) { Invoke-SSHCommand -SessionId $s.SessionId -Command $c -TimeOut 10 | Out-Null }
+    Remove-SSHSession -SessionId $s.SessionId | Out-Null
+    Write-Output "$($m.Name) ($($m.Host)): build key installed"
+}