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Read Xcode version from .tool-versions #8

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klaaspieter Mar 26, 2021
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Read Xcode version from .tool-versions
klaaspieter Mar 26, 2021
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34 changes: 31 additions & 3 deletions share/chxcode/auto
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Original file line number Diff line number Diff line change
@@ -1,13 +1,41 @@
# shellcheck shell=bash

# https://github.com/asdf-vm/asdf/blob/bd21c99a0a04018b51e528acff8d237bff8780c4/lib/utils.bash#L626-L638
strip_tool_version_comments() {
local tool_version_path="$1"

while IFS= read -r tool_line || [ -n "$tool_line" ]; do
# Remove whitespace before pound sign, the pound sign, and everything after it
new_line="$(cut -f1 -d"#" <<<"$tool_line" | sed -e 's/[[:space:]]*$//')"

# Only print the line if it is not empty
if [[ -n "$new_line" ]]; then
printf "%s\\n" "$new_line"
fi
done <"$tool_version_path"
}

function version_from_file() {
local version

if { read -r version <"$1/.xcode-version"; } 2>/dev/null; then
version="${version%%[[:space:]]}"
elif [ -f "$1/.tool-versions" ]; then
version=$(strip_tool_version_comments "$1/.tool-versions" |\
grep "^xcode " |\
sed -e "s/^xcode //")
fi

printf '%s' "$version"
}

function chxcode_auto() {
local dir="$PWD/" version

until [[ -z "$dir" ]]; do
dir="${dir%/*}"
if { read -r version <"$dir/.xcode-version"; } 2>/dev/null || [[ -n "$version" ]]; then
version="${version%%[[:space:]]}"

version=$(version_from_file "$dir")
if [[ -n "$version" ]]; then
if [[ "$version" == "$XCODE_AUTO_VERSION" ]]; then
return
else
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6 changes: 6 additions & 0 deletions share/chxcode/chxcode
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Expand Up @@ -23,9 +23,15 @@ system_xcode_version() {

xcode_versions() {
system_version=$(system_xcode_version)
versions=()
for xcode in ${XCODES[*]}; do
version=$(xcode_version "$xcode")
versions+=("$version")
done

IFS=$'\n' versions=("$(sort -n <<<"${versions[*]}")"); unset IFS

for version in ${versions[*]}; do
if [ "$version" = "$system_version" ]; then
echo "* $version"
else
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21 changes: 21 additions & 0 deletions test/chxcode_auto_test
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Expand Up @@ -39,6 +39,16 @@ test_auto_enter_versioned_directory() {
"$DEVELOPER_DIR"
}

test_auto_enter_tool_versions_directory() {
echo "xcode 9.3\nruby 2.6" > "$test_project_dir/.tool-versions"

cd "$test_project_dir" && chxcode_auto

assertEquals "should switch Xcode when entering a .tool-versions directory" \
"$search_path/Xcode.app/Contents/Developer" \
"$DEVELOPER_DIR"
}

test_auto_enter_versioned_subdirectory() {
echo "9.3" > "$test_project_dir/.xcode-version"
mkdir "$test_project_dir/subdir"
Expand All @@ -50,6 +60,17 @@ test_auto_enter_versioned_subdirectory() {
"$DEVELOPER_DIR"
}

test_auto_enter_tool_versions_subdirectory() {
echo "xcode 9.3\nruby2.6" > "$test_project_dir/.tool-versions"
mkdir "$test_project_dir/subdir"

cd "$test_project_dir/subdir" && chxcode_auto

assertEquals "should switch Xcode when entering a subdirectory of a .tool-versions directory" \
"$search_path/Xcode.app/Contents/Developer" \
"$DEVELOPER_DIR"
}

test_auto_enter_subdir() {
mkdir -p "$test_project_dir/subdir"
echo "9.3" > "$test_project_dir/.xcode-version"
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2 changes: 1 addition & 1 deletion test/chxcode_test
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Expand Up @@ -3,7 +3,7 @@
. ./test/helper

test_exec_with_no_arguments() {
export DEVELOPER_DIR="$search_path/Xcode.app/Contents/Developer"
export DEVELOPER_DIR="$search_path/Xcode.app/Contents/Developer"

xcodes=$(chxcode | tr '\n' ' ' | xargs)

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