Remove obsolete travis scripts

.github/workflows/build.yml

@@ -31,9 +31,6 @@ jobs:
       run: |
         source "$HOME/.df-env"
         sh travis/download-df.sh
-    - name: Git information
-      run: |
-        sh travis/git-info.sh
     - name: Build docs
       run: |
         sphinx-build -qW -j3 . docs/html

travis/build-lua.sh

@@ -1,54 +0,0 @@
-#!/bin/sh
-
-set -e
-
-LUA_ROOT="$HOME/lua53"
-LUA_URL="http://www.lua.org/ftp/lua-5.3.3.tar.gz"
-LUA_TAR=$(basename "$LUA_URL")
-LUA_DIR="$LUA_ROOT/${LUA_TAR%.tar.*}"
-LUA_SHA1="a0341bc3d1415b814cc738b2ec01ae56045d64ef"
-
-echo LUA_ROOT $LUA_ROOT
-echo LUA_TAR $LUA_TAR
-echo LUA_DIR $LUA_DIR
-
-sha1() {
-    python -c 'import hashlib, sys; print(hashlib.sha1(open(sys.argv[1],"rb").read()).hexdigest())' "$1"
-}
-
-download() {
-    echo "Downloading $LUA_URL"
-    wget -O "$LUA_ROOT/$LUA_TAR" "$LUA_URL"
-    tar xvf "$LUA_ROOT/$LUA_TAR"
-}
-
-build() {
-    cd "$LUA_DIR/src"
-    make generic
-}
-
-main() {
-    mkdir -p "$LUA_ROOT"
-    cd "$LUA_ROOT"
-    mkdir -p bin
-
-    if [ "$(sha1 "$LUA_ROOT/$LUA_TAR" 2>/dev/null)" != "$LUA_SHA1" ]; then
-        download
-        build
-    else
-        echo "Already downloaded"
-
-        if [ -x "$LUA_DIR/src/luac" ]; then
-            echo "Already built"
-        else
-            build
-        fi
-    fi
-
-    echo "Linking"
-    ln -sf "$LUA_DIR/src/lua" "$LUA_ROOT/bin/lua5.3"
-    ln -sf "$LUA_DIR/src/luac" "$LUA_ROOT/bin/luac5.3"
-    echo "Done"
-}
-
-main

travis/git-info.sh

@@ -1,2 +0,0 @@
-#!/bin/sh
-git log --pretty="commit %h (parents: %p): %s" -1

travis/pr-check-base.py

@@ -1,18 +0,0 @@
-import os, sys
-repo = os.environ.get('TRAVIS_REPO_SLUG', 'dfhack/dfhack').lower()
-branch = os.environ.get('TRAVIS_BRANCH', 'master')
-try:
-    pr_id = int(os.environ.get('TRAVIS_PULL_REQUEST', 'false'))
-except ValueError:
-    print('Not a pull request')
-    sys.exit(0)
-print('Pull request %s#%i' % (repo, pr_id))
-if repo != 'dfhack/dfhack':
-    print('Not in dfhack/dfhack')
-    sys.exit(0)
-if branch != 'develop':
-    print('Not based on develop branch')
-    sys.exit(1)
-else:
-    print('Ok')
-    sys.exit(0)