Upload files to "ggt"

https://github.com/go-gitea/gitea/blob/e8befe026853a90a9efca559ca9f9cac8b41fc88/contrib/upgrade.sh
https://github.com/lutinglt/gitea-github-theme/blob/7c20142ab980addb2725628b997644fff73567f5/.github/workflows/release.yml

ggt/iggt.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+readonly REPOSITORY="lutinglt/gitea-github-theme"
+readonly SCRIPT_DIRECTORY="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
+
+usage() {
+  printf 'Usage: %s <gitea-version> <custom-path>\n' "${0##*/}" >&2
+  printf 'Example: %s 1.27.0 "$(gitea help | awk '\''/CustomPath:/ {print $2}'\'')"\n' "${0##*/}" >&2
+  exit 2
+}
+
+require_command() {
+  command -v "$1" >/dev/null 2>&1 || {
+    printf 'Required command not found: %s\n' "$1" >&2
+    exit 1
+  }
+}
+
+[[ $# -eq 2 ]] || usage
+
+gitea_version="$1"
+custom_path="$2"
+
+if [[ -z "$custom_path" || "$custom_path" == *$'\n'* ]]; then
+  printf 'CustomPath must be exactly one non-empty path.\n' >&2
+  exit 1
+fi
+
+if [[ ! "$gitea_version" =~ ^v?([0-9]+\.[0-9]+) ]]; then
+  printf 'Unable to determine major.minor from Gitea version: %s\n' "$gitea_version" >&2
+  exit 1
+fi
+release_prefix="v${BASH_REMATCH[1]}."
+
+require_command curl
+require_command jq
+
+theme_version="$(
+  curl --connect-timeout 10 --fail --silent --show-error --location \
+    "https://api.github.com/repos/${REPOSITORY}/releases" \
+    | jq -r --arg prefix "$release_prefix" '
+        [ .[]
+          | select(.prerelease == false and (.tag_name | startswith($prefix)))
+          | .tag_name
+        ]
+        | first // empty
+      '
+)"
+
+if [[ -z "$theme_version" ]]; then
+  printf 'No stable %s* theme release was found; removing any installed matching theme files.\n' "$release_prefix" >&2
+  exec "$SCRIPT_DIRECTORY/install-gitea-github-theme.sh" --remove \
+    "$custom_path/public/assets/css" \
+    "$custom_path/templates" \
+    "$custom_path/.gitea-github-theme-files"
+fi
+
+exec "$SCRIPT_DIRECTORY/install-gitea-github-theme.sh" \
+  "$theme_version" \
+  "$custom_path/public/assets/css" \
+  "$custom_path/templates" \
+  "$custom_path/.gitea-github-theme-files"