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Improve rbenv --version git checkout discovery

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When `rbenv --version` is called, this now happens:

1. It changes into the directory where `libexec/rbenv--version` resides
   and checks if it's a checkout of the rbenv repo (as opposed to
   Homebrew checkout or something else). Then it reads the git revision.

2. If that failed, change to `$RBENV_ROOT` directory and repeat step 1.
This commit is contained in:
Mislav Marohnić 2015-10-25 16:54:38 +01:00
parent 0f44c57d08
commit dcca61c0bc
2 changed files with 36 additions and 4 deletions
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12
libexec/rbenv---version
View file

@ -13,10 +13,14 @@ set -e
[ -n "$RBENV_DEBUG" ] && set -x
version="0.4.0"
git_revision=""
if cd "$RBENV_ROOT" 2>/dev/null; then
git_revision="$(git describe --tags HEAD 2>/dev/null || true)"
git_revision="${git_revision#v}"
fi
for source_dir in "${BASH_SOURCE%/*}" "$RBENV_ROOT"; do
if cd "$source_dir" 2>/dev/null && git remote -v 2>/dev/null | grep -q rbenv; then
git_revision="$(git describe --tags HEAD 2>/dev/null || true)"
git_revision="${git_revision#v}"
[ -z "$git_revision" ] || break
fi
done
echo "rbenv ${git_revision:-$version}"

28
test/--version.bats
View file

@ -6,6 +6,18 @@ setup() {
mkdir -p "$HOME"
git config --global user.name "Tester"
git config --global user.email "tester@test.local"
mkdir -p "${RBENV_TEST_DIR}/bin"
cat > "${RBENV_TEST_DIR}/bin/git" <<CMD
#!$BASH
if [[ \$1 == remote && \$PWD != "\$RBENV_TEST_DIR"/* ]]; then
echo "not allowed" >&2
exit 1
else
exec $(which git) "\$@"
fi
CMD
chmod +x "${RBENV_TEST_DIR}/bin/git"
}
git_commit() {
@ -19,10 +31,25 @@ git_commit() {
[[ $output == "rbenv 0."* ]]
}
@test "doesn't read version from non-rbenv repo" {
mkdir -p "$RBENV_ROOT"
cd "$RBENV_ROOT"
git init
git remote add origin https://github.com/homebrew/homebrew.git
git_commit
git tag v1.0
cd "$RBENV_TEST_DIR"
run rbenv---version
assert_success
[[ $output == "rbenv 0."* ]]
}
@test "reads version from git repo" {
mkdir -p "$RBENV_ROOT"
cd "$RBENV_ROOT"
git init
git remote add origin https://github.com/sstephenson/rbenv.git
git_commit
git tag v0.4.1
git_commit
@ -38,6 +65,7 @@ git_commit() {
mkdir -p "$RBENV_ROOT"
cd "$RBENV_ROOT"
git init
git remote add origin https://github.com/sstephenson/rbenv.git
git_commit
cd "$RBENV_TEST_DIR"