travis: Remove Travis unwanted code.

Since in travis we don't have root access so we used to add different
srv path. As now we shifted our production suites to Circle CI
we don't need that code so removed it.

Also we used a hacky code in commit-lint-message for travis which is
now of no use.

scripts/lib/clean_emoji_cache.py

@@ -13,8 +13,6 @@ from scripts.lib.zulip_tools import \
 
 ENV = get_environment()
 EMOJI_CACHE_PATH = "/srv/zulip-emoji-cache"
-if ENV == "travis":
-    EMOJI_CACHE_PATH = os.path.join(os.environ["HOME"], "zulip-emoji-cache")
 
 def get_caches_in_use(threshold_days: int) -> Set[str]:
     setups_to_check = {ZULIP_PATH}

scripts/lib/clean_node_cache.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 import argparse
 import os
-import subprocess
 import sys
 
 from typing import Set
@@ -14,14 +13,6 @@ from scripts.lib.zulip_tools import \
 
 ENV = get_environment()
 NODE_MODULES_CACHE_PATH = "/srv/zulip-npm-cache"
-if ENV == "travis":
-    NODE_MODULES_CACHE_PATH = os.path.join(os.environ["HOME"], "zulip-npm-cache")
-    try:
-        subprocess.check_output(["/home/travis/zulip-yarn/bin/yarn", '--version'])
-    except OSError:
-        print('yarn not found. Most probably we are running static-analysis and '
-              'hence yarn is not installed. Exiting without cleaning npm cache.')
-        sys.exit(0)
 
 def get_caches_in_use(threshold_days: int) -> Set[str]:
     setups_to_check = {ZULIP_PATH}

scripts/lib/clean_venv_cache.py

@@ -15,8 +15,6 @@ from scripts.lib.zulip_tools import \
 
 ENV = get_environment()
 VENV_CACHE_DIR = '/srv/zulip-venv-cache'
-if ENV == "travis":
-    VENV_CACHE_DIR = os.path.join(os.environ["HOME"], "zulip-venv-cache")
 
 def get_caches_in_use(threshold_days: int) -> Set[str]:
     setups_to_check = {ZULIP_PATH}

scripts/lib/install-node

@@ -3,9 +3,6 @@ set -eo pipefail
 
 ZULIP_PATH="$(dirname "$0")/../.."
 ZULIP_SRV="/srv"
-if [ "$TRAVIS" ] ; then
-    ZULIP_SRV="/home/travis"
-fi
 YARN_PACKAGE_JSON="$ZULIP_SRV/zulip-yarn/package.json"
 node_version=12.16.1
 yarn_version=1.22.4

scripts/lib/node_cache.py

@@ -9,11 +9,6 @@ from scripts.lib.zulip_tools import subprocess_text_output, run
 ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 ZULIP_SRV_PATH = "/srv"
 
-if 'TRAVIS' in os.environ:
-    # In Travis CI, we don't have root access
-    ZULIP_SRV_PATH = "/home/travis"
-
-
 NODE_MODULES_CACHE_PATH = os.path.join(ZULIP_SRV_PATH, 'zulip-npm-cache')
 YARN_BIN = os.path.join(ZULIP_SRV_PATH, 'zulip-yarn/bin/yarn')
 YARN_PACKAGE_JSON = os.path.join(ZULIP_SRV_PATH, 'zulip-yarn/package.json')

scripts/lib/setup_venv.py

@@ -10,10 +10,6 @@ from typing import List, Optional, Tuple, Set
 ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 VENV_CACHE_PATH = "/srv/zulip-venv-cache"
 
-if 'TRAVIS' in os.environ:
-    # In Travis CI, we don't have root access
-    VENV_CACHE_PATH = "/home/travis/zulip-venv-cache"
-
 VENV_DEPENDENCIES = [
     "build-essential",
     "libffi-dev",

scripts/lib/zulip_tools.py

@@ -214,8 +214,6 @@ def log_management_command(cmd: str, log_path: str) -> None:
 def get_environment() -> str:
     if os.path.exists(DEPLOYMENTS_DIR):
         return "prod"
-    if os.environ.get("TRAVIS"):
-        return "travis"
     return "dev"
 
 def get_recent_deployments(threshold_days: int) -> Set[str]:

tools/commit-message-lint

@@ -1,14 +1,11 @@
 #!/usr/bin/env bash
 
 # Lint all commit messages that are newer than upstream/master if running
-# locally or the commits in the push or PR if in Travis CI.
+# locally or the commits in the push or PR if in Circle CI.
 
 # The rules can be found in /.gitlint
 
-if [ "$TRAVIS" ]; then
-    # Work around https://github.com/travis-ci/travis-ci/issues/4596
-    range="${TRAVIS_COMMIT_RANGE/.../..}"
-elif [[ "
+if [[ "
 $(git remote -v)
 " =~ '
 '([^[:space:]]*)[[:space:]]*(https://github\.com/|ssh://git@github\.com/|git@github\.com:)zulip/zulip(\.git|/)?\ \(fetch\)'

tools/lib/provision.py

@@ -29,7 +29,6 @@ if TYPE_CHECKING:
 
 VAR_DIR_PATH = os.path.join(ZULIP_PATH, 'var')
 
-is_travis = 'TRAVIS' in os.environ
 is_circleci = 'CIRCLECI' in os.environ
 
 if not os.path.exists(os.path.join(ZULIP_PATH, ".git")):

tools/setup/emoji/build_emoji

@@ -72,10 +72,6 @@ EMOJI_POS_INFO_TEMPLATE = """\
 # change directory
 os.chdir(EMOJI_SCRIPT_DIR_PATH)
 
-if 'TRAVIS' in os.environ:
-    # In Travis CI, we don't have root access
-    EMOJI_CACHE_PATH = "/home/travis/zulip-emoji-cache"
-
 def main() -> None:
     if not os.access(EMOJI_CACHE_PATH, os.W_OK):
         # Note: In production, this block will fail, since we don't

tools/test-locked-requirements

@@ -16,8 +16,6 @@ TOOLS_DIR = os.path.abspath(os.path.dirname(__file__))
 ZULIP_PATH = os.path.dirname(TOOLS_DIR)
 REQS_DIR = os.path.join(ZULIP_PATH, 'requirements')
 CACHE_DIR = os.path.join(ZULIP_PATH, 'var', 'tmp')
-if 'TRAVIS' in os.environ:
-    CACHE_DIR = os.path.join(os.environ['HOME'], 'misc')
 CACHE_FILE = os.path.join(CACHE_DIR, 'requirements_hashes')
 
 def print_diff(path_file1: str, path_file2: str) -> None: