tools/devshell/git

#!/bin/bash
# Copyright 2025 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

#### CATEGORY=Source
### Run git commands in the Fuchsia tree.
##
## usage: fx git get-rev [--repo_root <repo>]
##   get-rev   Get the current git revision of the Fuchsia checkout. If no
##             --repo_root is pass in, we will use "fuchsia" as default value.
##
## Sample usage:
##
##    $ fx git get-rev (This will get the HEAD of fuchsia repo)
##    $ fx git get-rev --repo_root third_party/icu/default (This will get the
##                     HEAD of third_party/icu/default repo)

set -o errexit

SCRIPTS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
source "${SCRIPTS_DIR}/lib/vars.sh" || exit $?

function cmd_get_rev() {
  local repo_root=""
  while [[ $# -ge 1 ]]; do
    case "$1" in
      --repo_root)
        shift
        repo_root="$1"
        ;;
      *)
        fx-error "Unknown argument for get-rev: $1"
        exit 1
        ;;
    esac
    shift
  done

  "${SCRIPTS_DIR}/lib/get_fuchsia_subdir_git_revision.sh" "${FUCHSIA_DIR}" "${repo_root}"
}

main() {
  local subcommand="$1"
  shift

  case "${subcommand}" in
    get-rev)
      cmd_get_rev "$@"
      ;;
    *)
      fx-error "Unknown command: git ${subcommand}"
      exit 1
      ;;
  esac
}

main "$@"