feature: add Windows installer for gitea

gitea/README.md

@@ -5,9 +5,11 @@ tagline: |
   Gitea: Git with a cup of tea, painless self-hosted git service.
 ---
 
-To update or switch versions, run `webi gitea@stable` (or `@v1.0`, `@beta`,
+To update or switch versions, run `webi gitea@stable` (or `@v1.14`, `@beta`,
 etc).
 
+**Windows users**: You must [install git](/git) first.
+
 ## Cheat Sheet
 
 > Gitea is a clean, lightweight self-hosted Github clone. It only uses a few

gitea/install.ps1

@@ -0,0 +1,55 @@
+#!/usr/bin/env pwsh
+
+#################
+# Install gitea #
+#################
+
+# Every package should define these variables
+$pkg_cmd_name = "gitea"
+
+$pkg_dst_cmd = "$Env:USERPROFILE\.local\bin\gitea.exe"
+$pkg_dst = "$pkg_dst_cmd"
+
+$pkg_src_cmd = "$Env:USERPROFILE\.local\opt\gitea-v$Env:WEBI_VERSION\bin\gitea.exe"
+$pkg_src_bin = "$Env:USERPROFILE\.local\opt\gitea-v$Env:WEBI_VERSION\bin"
+$pkg_src_dir = "$Env:USERPROFILE\.local\opt\gitea-v$Env:WEBI_VERSION"
+$pkg_src = "$pkg_src_cmd"
+
+$pkg_download = "$Env:USERPROFILE\Downloads\$Env:WEBI_PKG_FILE"
+
+# Fetch archive
+IF (!(Test-Path -Path "$Env:USERPROFILE\Downloads\$Env:WEBI_PKG_FILE"))
+{
+    # TODO: arch detection
+    echo "Downloading gitea from $Env:WEBI_PKG_URL to $pkg_download"
+    & curl.exe -A "$Env:WEBI_UA" -fsSL "$Env:WEBI_PKG_URL" -o "$pkg_download.part"
+    & move "$pkg_download.part" "$pkg_download"
+}
+
+IF (!(Test-Path -Path "$pkg_src_cmd"))
+{
+    echo "Installing gitea"
+
+    # TODO: create package-specific temp directory
+    # Enter tmp
+    pushd .local\tmp
+
+    	# Remove any leftover tmp cruft
+        Remove-Item -Path ".\gitea-*" -Recurse -ErrorAction Ignore
+        Remove-Item -Path ".\gitea.exe" -Recurse -ErrorAction Ignore
+
+        # Move single binary into root of temporary folder
+        & move "$Env:USERPROFILE\Downloads\$Env:WEBI_PKG_FILE" "gitea.exe"
+
+        # Settle unpacked archive into place
+        echo "Install Location: $pkg_src_cmd"
+        New-Item "$pkg_src_bin" -ItemType Directory -Force | out-null
+        Move-Item -Path "gitea.exe" -Destination "$pkg_src_bin"
+
+    # Exit tmp
+    popd
+}
+
+echo "Copying into '$pkg_dst_cmd' from '$pkg_src_cmd'"
+Remove-Item -Path "$pkg_dst_cmd" -Recurse -ErrorAction Ignore | out-null
+Copy-Item -Path "$pkg_src" -Destination "$pkg_dst" -Recurse