#!/bin/sh

. settings.sh

echo "Checking repository. Please wait..."
# pre flight checks
cd "$REPO" >/dev/null

if [ -n "$(git status --porcelain)" ]; then
    error "$REPO: git repositiory contains uncommited changes."
fi

git fetch origin 2>/dev/null
git push origin master 2>/dev/null

if  ! diff -q "$REPO/Metadata/clients.xml" "$REAL/Metadata/clients.xml" >/dev/null; then
    echo "$REPO: Metadata/clients.xml out of date." 1>&2
    echo "You probably should update it with $REAL/Metadata/clients.xml" 1>&2
    echo 1>&2
    $DIFF -u "$REPO/Metadata/clients.xml" "$REAL/Metadata/clients.xml" 1>&2
    echo 1>&2
    echo "Maybe you want:" 1>&2
    error "cp -i '$REAL/Metadata/clients.xml' '$REPO/Metadata/clients.xml'"
fi

if [ -n "$(git rev-list HEAD..origin/master)" ]; then
    error "$REPO: HEAD does not equal to origin/master."
fi

# update symlinks (needed for repo validation)
$BINDIR/prepare-repository

if ! bcfg2-lint -Q "$REPO"; then
    error "$REPO: bcfg2-lint detected errors."
fi

echo "All checks passed. Updating real repository..."

# update real repository
cd "$REAL" >/dev/null

if ! git remote update --prune >/dev/null 2>&1; then
    error "$REAL: git remote update --prune failed"
fi

git fetch --quiet --tags 2>/dev/null ||
    error "$REAL: git fetch failed."

git checkout --quiet --force master ||
    error "$REAL: git checkout failed."

git reset --quiet --hard origin/master ||
    error "$REAL: git reset failed."

git clean --quiet --force -d ||
    error "$REAL: git clean failed"

echo "All done."
cd "$OLDPWD" >/dev/null