feat: bundle git-subrepo (#1123)

* feat: git subrepo script

* fix: script improvements

* feat: Bundle git subrepo for CI use

scripts/git-subrepo/.fish.rc

@@ -0,0 +1,20 @@
+#!fish
+
+#------------------------------------------------------------------------------
+#
+# This is the `git-subrepo` initialization script.
+#
+# This script turns on the `git-subrepo` Git subcommand and its manpages, for
+# the *Fish* shell.
+#
+# Just add a line like this to your `~/.config/fish/config.fish`:
+#
+#   source /path/to/git-subrepo/.fish.rc
+#
+#------------------------------------------------------------------------------
+
+set GIT_SUBREPO_ROOT (dirname (realpath (status --current-filename)))
+set PATH $GIT_SUBREPO_ROOT/lib $PATH
+
+set -q MANPATH || set MANPATH ''
+set MANPATH $MANPATH $GIT_SUBREPO_ROOT/man

scripts/git-subrepo/.gitattributes

@@ -0,0 +1 @@
+* text eol=lf

scripts/git-subrepo/.github/workflows/test.yml

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+name: Test
+
+on:
+  push:
+    branches: [ '*' ]
+  pull_request:
+    branches: [ '*' ]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - if: startsWith(matrix.os, 'macos')
+      run: brew install bash
+    - run:
+        git config --global user.email "you@example.com";
+        git config --global user.name "Your Name";
+    - run: make test

scripts/git-subrepo/.gitignore

@@ -0,0 +1 @@
+/test/tmp/

scripts/git-subrepo/.rc

@@ -0,0 +1,32 @@
+# shellcheck shell=bash disable=2128
+
+#------------------------------------------------------------------------------
+#
+# This is the `git-subrepo` initialization script.
+#
+# This script turns on the `git-subrepo` Git subcommand, its manpages and TAB
+# completion for the *Bash* and *zsh* shells.
+#
+# Just add a line like this to your shell startup configuration:
+#
+#   source /path/to/git-subrepo/.rc
+#
+#------------------------------------------------------------------------------
+
+[[ -n ${ZSH_VERSION-} ]] &&
+  GIT_SUBREPO_ROOT=$0 ||
+  GIT_SUBREPO_ROOT=$BASH_SOURCE
+
+[[ $GIT_SUBREPO_ROOT =~ ^/ ]] ||
+  GIT_SUBREPO_ROOT=$PWD/$GIT_SUBREPO_ROOT
+
+GIT_SUBREPO_ROOT=$(
+  cd "$(dirname "$GIT_SUBREPO_ROOT")" || return
+  pwd
+) || return
+export GIT_SUBREPO_ROOT
+
+export PATH=$GIT_SUBREPO_ROOT/lib:$PATH
+export MANPATH=$GIT_SUBREPO_ROOT/man:$MANPATH
+
+source "$GIT_SUBREPO_ROOT/share/enable-completion.sh"

scripts/git-subrepo/Changes

@@ -0,0 +1,150 @@
+---
+version: 0.4.6
+date:    Fri 21 Apr 2023 10:18:34 AM EST
+- Remove stale worktrees in the push command
+---
+version: 0.4.5
+date:    Thu 22 Sep 2022 23:03:24 PM EST
+- Add --file option
+- Fix git subrepo status command for subrepos that share a common prefix. Closes #534.
+- Don't allow -b and --all
+- Fix documentation links
+- fix tests to support use of a default branch git config that is not "master"
+- pass --force to git add so a user's global .gitignore does not affect tests
+- Fix .rc and enable-completion.sh for zsh before 5.1
+- Better format for options
+- The `fpath` variable is an array; expand correctly
+---
+version: 0.4.3
+date:    Sat 21 Nov 2020 03:28:43 PM EST
+- Apply PR#511 to fix a 0.4.2 regression in zsh
+---
+version: 0.4.2
+date:    Tue Nov 17 14:10:10 CST 2020
+- Covert to GitHub Actions for testing
+- Add docker support to test multiple git/bash versions together
+- Require Bash 4.0+
+- Use shellcheck as linter and address issues discovered
+- Discovered bug in git where @ is not a valid workspace name
+- Add --force command to subrepo pull
+- Now works with paths that contain spaces
+- Numerous documentation fixes
+- When two branches pointed to the same commit, we would
+  sometimes pick the wrong branch.
+- ZSH completion fixes
+- Allow tests to run outside a git repo
+- Would not work if a different date format was set in git config
+- Address delay in filter-branch on newer versions of git
+- Display the git merge message on merge failure
+- Allow FISH integration on MacOS.
+- Add manpage support for FISH shell
+---
+version: 0.4.1
+date:    Thu Jan  9 17:11:21 CST 2020
+- Fix Bash version error messages and add to .rc
+- Nicer YAML formatting in .travis.yml
+- Wrap a long line
+- Update the docs
+- Force `make update` to always update docs
+- Don't use XXX in perl stuff
+- Add testing on MacOS
+- Remove conflicting -C from install -d commands.
+- Update version requirement documentation
+- Correct error message in branch
+- Use topo-order in subrepo branch
+- Make “git subrepo clean -f ...” delete refs correctly
+- Fix #410 Push empty repositories with recent git versions
+- Make subrepo work when run in a worktree
+- Simplify finding subrepos
+- Ask git to find the .gitrepo files
+- Doc: fix sentence repetition
+- Fix typos
+- Fixed typo
+- Travis CI not checking out a branch.
+---
+version: 0.4.0
+date:    Thu Nov  8 12:26:38 CET 2018
+changes:
+- Fix #325 Do not squash main repo commits
+- Improve error message for worktree handling
+- Make version checking portable. #307
+- #307, improve version check
+- #307, update version requirement
+- Fix part #308, Add stderr output if commands fail
+- Fix #306: Add check to prevent following commits with no .gitrepo
+- Remove dry-run flag as it's not implemented. Make sure branch --force delete worktree
+- Fix #296, Replace --first-parent with --ancestry-path
+- Fix #291, specify Trusty host to get new 2.x git
+- Fix #258, add --no-tags to git fetch
+- Test that no remotes are created during clone
+- #257 Remove remote creation to avoid problems with fetch --all
+- (origin/issue/150_to_0.4.0) Fix remove-worktree, remove unused parameters
+- Regenerate completion files
+- filter-branch operation should not be done on HEAD
+- Cleanup push and add hint to push directly after pull
+- Simplify cleanup and add worktree to status
+- Add --method option to init/clone, add a 'config' command
+- Updated unit tests to support the new logic
+- Use 'git worktree' for merge/rebase
+- Update docs to reflect how things should work
+- Make it possible to specify commit messages
+- Redesign, trash the tree hash approach and use merges instead
+- Add release branches to travis-ci
+- Add --method option to init/clone, add a 'config' command
+- Detect multiple pulls, use -u flag to decide
+- Don't reuse previous commit message when using --all
+- Update the docs for pull and push
+- Update error messages when failing merge/rebase
+- Fix env var bug in test/push.t
+- Do not overwrite author information
+---
+version: 0.3.1
+date:    Tue Jan  3 23:08:56 PST 2017
+changes:
+- Updated release for homebrew
+- Fix #192
+---
+version: 0.3.0
+date:    Wed Dec  2 19:19:43 PST 2015
+changes:
+- Fix issue #98 and host of others (89, 91, 95, 96)
+- Adds support for the merge-base command
+- Adds stability to many commands
+- Command completion updates
+- Rename `init` to `.rc`
+- @grimmySwe++ @dzzh++ @jrosdahl++ @perlpunk++
+---
+version: 0.2.3
+date:    Sun Aug  9 13:44:22 PDT 2015
+changes:
+- Fix issues #75 and #76
+---
+version: 0.2.2
+date:    Wed Jul 22 09:45:13 PDT 2015
+changes:
+- Added the `init` subcommand
+- Applied doc fixes
+---
+version: 0.2.1
+date:    Sat Mar 28 07:52:22 PDT 2015
+changes:
+- Allows subrepo clone to clone to an empty branch; fixes #26.
+- Refs in status
+- Empty parent set to 'none' in .gitrepo file.
+- Bug fixes
+---
+version: 0.2.0
+date:    Sat Jan 24 06:22:05 PST 2015
+changes:
+- Massive overhaul
+- .gitrepo files remain the same so backwards compatible
+- Introduce the branch and commit subcommands
+- The checkout subcommand goes away
+- Operations work much smoother like normal Git flow
+- Much more testing
+- Better doc
+---
+version: 0.1.0
+date:    Fri Feb 21 12:25:53 2014 -0800
+changes:
+- First version