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allegro-checkpoint/skills/github/github-auth/scripts/gh-env.sh
2026-04-01 11:04:00 +00:00

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#!/usr/bin/env bash
# GitHub environment detection helper for Hermes Agent skills.
#
# Usage (via terminal tool):
# source skills/github/github-auth/scripts/gh-env.sh
#
# After sourcing, these variables are set:
# GH_AUTH_METHOD - "gh", "curl", or "none"
# GITHUB_TOKEN - personal access token (set if method is "curl")
# GH_USER - GitHub username
# GH_OWNER - repo owner (only if inside a git repo with a github remote)
# GH_REPO - repo name (only if inside a git repo with a github remote)
# GH_OWNER_REPO - owner/repo (only if inside a git repo with a github remote)
# --- Auth detection ---
GH_AUTH_METHOD="none"
GITHUB_TOKEN="${GITHUB_TOKEN:-}"
GH_USER=""
if command -v gh &>/dev/null && gh auth status &>/dev/null 2>&1; then
GH_AUTH_METHOD="gh"
GH_USER=$(gh api user --jq '.login' 2>/dev/null)
elif [ -n "$GITHUB_TOKEN" ]; then
GH_AUTH_METHOD="curl"
elif [ -f "$HOME/.hermes/.env" ] && grep -q "^GITHUB_TOKEN=" "$HOME/.hermes/.env" 2>/dev/null; then
GITHUB_TOKEN=$(grep "^GITHUB_TOKEN=" "$HOME/.hermes/.env" | head -1 | cut -d= -f2 | tr -d '\n\r')
if [ -n "$GITHUB_TOKEN" ]; then
GH_AUTH_METHOD="curl"
fi
elif [ -f "$HOME/.git-credentials" ] && grep -q "github.com" "$HOME/.git-credentials" 2>/dev/null; then
GITHUB_TOKEN=$(grep "github.com" "$HOME/.git-credentials" | head -1 | sed 's|https://[^:]*:\([^@]*\)@.*|\1|')
if [ -n "$GITHUB_TOKEN" ]; then
GH_AUTH_METHOD="curl"
fi
fi
# Resolve username for curl method
if [ "$GH_AUTH_METHOD" = "curl" ] && [ -z "$GH_USER" ]; then
GH_USER=$(curl -s -H "Authorization: token $GITHUB_TOKEN" \
https://api.github.com/user 2>/dev/null \
| python3 -c "import sys,json; print(json.load(sys.stdin).get('login',''))" 2>/dev/null)
fi
# --- Repo detection (if inside a git repo with a GitHub remote) ---
GH_OWNER=""
GH_REPO=""
GH_OWNER_REPO=""
_remote_url=$(git remote get-url origin 2>/dev/null)
if [ -n "$_remote_url" ] && echo "$_remote_url" | grep -q "github.com"; then
GH_OWNER_REPO=$(echo "$_remote_url" | sed -E 's|.*github\.com[:/]||; s|\.git$||')
GH_OWNER=$(echo "$GH_OWNER_REPO" | cut -d/ -f1)
GH_REPO=$(echo "$GH_OWNER_REPO" | cut -d/ -f2)
fi
unset _remote_url
# --- Summary ---
echo "GitHub Auth: $GH_AUTH_METHOD"
[ -n "$GH_USER" ] && echo "User: $GH_USER"
[ -n "$GH_OWNER_REPO" ] && echo "Repo: $GH_OWNER_REPO"
[ "$GH_AUTH_METHOD" = "none" ] && echo "⚠ Not authenticated — see github-auth skill"
export GH_AUTH_METHOD GITHUB_TOKEN GH_USER GH_OWNER GH_REPO GH_OWNER_REPO