1#!/usr/bin/env bash
2
3# Copyright 2017 The Bazel Authors. All rights reserved.
4
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8
9# http://www.apache.org/licenses/LICENSE-2.0
10
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# --- begin runfiles.bash initialization v3 ---
18# Copy-pasted from the Bazel Bash runfiles library v3.
19set -uo pipefail; set +e; f=bazel_tools/tools/bash/runfiles/runfiles.bash
20source "${RUNFILES_DIR:-/dev/null}/$f" 2>/dev/null || \
21 source "$(grep -sm1 "^$f " "${RUNFILES_MANIFEST_FILE:-/dev/null}" | cut -f2- -d' ')" 2>/dev/null || \
22 source "$0.runfiles/$f" 2>/dev/null || \
23 source "$(grep -sm1 "^$f " "$0.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \
24 source "$(grep -sm1 "^$f " "$0.exe.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \
25 { echo>&2 "ERROR: cannot find $f"; exit 1; }; f=; set -e
26# --- end runfiles.bash initialization v3 ---
27
28@@GENERATED_MESSAGE@@
29
30set -euo pipefail
31
32GAZELLE_PATH=@@GAZELLE_PATH@@
33ARGS=@@ARGS@@
34GOTOOL=@@GOTOOL@@
35REPO_CONFIG_PATH=@@REPO_CONFIG_PATH@@
36
37@@ENV@@
38
39# set_goroot attempts to set GOROOT to the SDK used by rules_go. gazelle
40# invokes tools inside the Go SDK for dependency management. It's good to
41# use the SDK used by the workspace in case the Go SDK is not installed
42# on the host system or is a different version.
43function set_goroot {
44 local gotool
45 gotool=$(rlocation "$GOTOOL")
46 if [ -z "$gotool" ]; then
47 echo "$0: warning: could not locate GOROOT used by rules_go" >&2
48 return
49 fi
50 GOROOT=$(cd "$(dirname "$gotool")/.."; pwd)
51 export GOROOT
52 if type cygpath >/dev/null 2>&1; then
53 # On Windows, convert the path to something usable outside of bash.
54 GOROOT=$(cygpath -w "$GOROOT")
55 fi
56}
57
58# If arguments were provided on the command line, either replace or augment
59# the generated args.
60case "${1-}" in
61 "fix" | "update" | "help" | "update-repos")
62 ARGS=("$@")
63 ;;
64 *)
65 ARGS+=("$@")
66 ;;
67esac
68
69# Invoke Gazelle.
70# Note that we don't change directories first; if we did, Gazelle wouldn't be
71# able to find runfiles, and some extensions rely on that. Gazelle can use
72# BUILD_WORKSPACE_DIRECTORY to interpret relative paths on the command line.
73set_goroot
74gazelle_path=$(rlocation "$GAZELLE_PATH")
75if [ -z "$gazelle_path" ]; then
76 echo "error: could not locate gazelle binary" >&2
77 exit 1
78fi
79if [ -z "${BUILD_WORKSPACE_DIRECTORY-}" ]; then
80 echo "error: BUILD_WORKSPACE_DIRECTORY not set" >&2
81 exit 1
82fi
83
84# Determine if we are running the fix/update command
85if [[ ${#ARGS[@]} -gt 0 ]]; then
86 case "${ARGS[0]}" in
87 "fix" | "update")
88 is_fix_or_update="true"
89 ;;
90 *)
91 is_fix_or_update="false"
92 ;;
93 esac
94fi
95
96# When running with Bzlmod, there is no WORKSPACE file for Gazelle to read
97# the definitions of go_repository rules from. Instead, we pass the path to
98# the repo config file as a flag.
99if [[ "${is_fix_or_update:-}" == "true" ]] && [[ -n $REPO_CONFIG_PATH ]]; then
100 ARGS=("${ARGS[0]}" "-repo_config" "$(rlocation "$REPO_CONFIG_PATH")" "${ARGS[@]:1}")
101fi
102
103runfiles_export_envvars
104"$gazelle_path" "${ARGS[@]}"
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