feat: add wget support

.github/workflows/test.yaml

@@ -18,3 +18,41 @@ jobs:
       - name: Test
         shell: bash
         run: ./test/bats/bin/bats ./test
+
+  integration-alpine:
+    needs: test
+    runs-on: ubuntu-latest
+    container: library/alpine:3
+    steps:
+      - name: Install dependencies
+        run: apk add jq openssl bash git
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Test
+        shell: bash
+        run: ./test/bats/bin/bats ./test
+      - name: Install something
+        shell: bash
+        run: ./gah install mikefarah/yq --unattended
+      - name: Test if yq was installed correctly
+        run: yq --version
+
+  integration-debian:
+    needs: test
+    runs-on: ubuntu-latest
+    container: library/debian:13-slim
+    steps:
+      - name: Install dependencies
+        run: apt-get update && apt-get install -y jq openssl curl git
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Test
+        run: ./test/bats/bin/bats ./test
+      - name: Install something
+        run: ./gah install mikefarah/yq --unattended
+      - name: Test if yq was installed correctly
+        run: yq --version

README.md

@@ -27,11 +27,24 @@ Nowadays more and more command-line tools and applications are distributed via G
 - 🗃 Has own base of predefined aliases for GitHub repositories (PRs are welcome!)
 - 🔐 Verifies downloaded files using provided by `openssl` against [asset's digest value](https://docs.github.com/en/rest/releases/assets?apiVersion=2022-11-28#get-a-release-asset)
 
+## Requirements
+
+- `bash`
+- `jq`
+- `curl` or `wget`
+- `tar`
+- `unzip`
+- `openssl`
+
 ## Installation
 
 ```bash
 bash -c "$(curl -fsSL https://raw.githubusercontent.com/get-gah/gah/refs/heads/master/tools/install.sh)"
 ```
+or
+```bash
+bash -c "$(wget -qO- https://raw.githubusercontent.com/get-gah/gah/refs/heads/master/tools/install.sh)"
+```
 
 ## Usage
 

gah

@@ -71,13 +71,48 @@ function cleanup() {
 	fi
 }
 
+function http_get() {
+	local url="$1"
+	# if curl is available, use it, otherwise use wget.
+	if command -v curl >/dev/null 2>&1; then
+		curl -s "${GITHUB_AUTH_ARGS[@]}" "$url"
+	else
+		wget -q -O- "${GITHUB_AUTH_ARGS[@]}" "$url"
+	fi
+}
+
+function http_download() {
+	local url="$1"
+	local destination="$2"
+	local silent="$3"
+	local progress="$4"
+	# if curl is available, use it, otherwise use wget.
+	if command -v curl >/dev/null 2>&1; then
+		[[ $silent == "true" ]] && silent_option="-s" || silent_option=""
+		[[ $progress == "true" ]] && progress_option="--progress-bar" || progress_option=""
+		curl ${silent_option} -L ${progress_option} "${GITHUB_AUTH_ARGS[@]}" -o "$destination" "$url"
+	else
+	    # detect if wget is from alpine/busybox or a GNU wget
+		if wget --version >/dev/null 2>&1; then
+			local is_gnu_wget="true"
+		else
+			local is_gnu_wget="false"
+		fi
+		local wget_progress_option
+		local silent_option
+		[[ $silent == "true" ]] && silent_option="-q" || silent_option=""
+		[[ $progress == "true" && $is_gnu_wget == "true" ]] && progress_option="--show-progress" || progress_option=""
+		wget ${silent_option} ${progress_option} "${GITHUB_AUTH_ARGS[@]}" -O "$destination" "$url"
+	fi
+}
+
 #endregion
 #--------------------------------------------------
 #region GitHub Authentication
 
 # Setup GitHub authentication if GITHUB_PAT is provided
 if [[ -n "${GITHUB_PAT:-}" ]]; then
-	GITHUB_AUTH_ARGS=(-H "Authorization: token ${GITHUB_PAT}")
+	GITHUB_AUTH_ARGS=(--header "Authorization: token ${GITHUB_PAT}")
 	print_green "Using GitHub Personal Access Token for API requests"
 else
 	GITHUB_AUTH_ARGS=()
@@ -173,7 +208,7 @@ function fetch_release_info() {
 	local url=$(get_fetch_release_info_url "$1" "$2")
 	print_debug "Fetching release information from: $url"
 
-	curl -s "${GITHUB_AUTH_ARGS[@]}" "$url" > release.json
+	http_get "$url" > release.json
 
 	# Validate that we got a valid JSON response
 	if [[ ! -s release.json ]]; then
@@ -322,7 +357,7 @@ function verify_digest() {
 
 function fetch_db() {
 	print_debug "Fetching DB"
-	curl -s "https://raw.githubusercontent.com/get-gah/gah-db/refs/heads/master/db.json" > "$GAH_DB_FILE"
+	http_get "https://raw.githubusercontent.com/get-gah/gah-db/refs/heads/master/db.json" > "$GAH_DB_FILE"
 }
 
 function get_db_path() {
@@ -443,7 +478,7 @@ function command_install() {
 
 	# Download the file
 	print_blue "Downloading: $filename"
-	curl -L --progress-bar -o "$filename" "$download_url"
+	http_download "$download_url" "$filename" true true
 
 	# Verify the download if digest is available
 	print_debug "Verifying download digest if available"
@@ -552,7 +587,7 @@ function command_update() {
 	fi
 
 	# Download gah! script
-	curl -sL https://raw.githubusercontent.com/$gah_repo/refs/tags/$tag/gah -o "$script_realpath"
+	http_download "https://raw.githubusercontent.com/$gah_repo/refs/tags/$tag/gah" "$script_realpath" true false
 	chmod +x "$script_realpath"
 	print_green "OK"
 

test/02_github_api_functions.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "get_fetch_release_info_url should print the correct URL if no version is provided" {
@@ -43,6 +44,7 @@ teardown() {
 
 @test "fetch_release_info should save the release info to a file" {
 	stub curl "-s * : cat '$DIR/test/fixtures/releases/argocd/release.json'"
+	stub wget "-q * : cat '$DIR/test/fixtures/releases/argocd/release.json'"
 
 	TEST_TEMP_DIR=$(mktemp -d)
 	cd "$TEST_TEMP_DIR"

test/03_test_release__error.bats

@@ -18,10 +18,12 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "fetch_release_info should print an network error message if the release info cannot be fetched" {
 	stub curl "-s * : touch release.json"
+	stub wget "-q * : touch release.json"
 
 	TEST_TEMP_DIR=$(mktemp -d)
 	cd "$TEST_TEMP_DIR"
@@ -35,6 +37,7 @@ teardown() {
 
 @test "fetch_release_info should print an json error message if the release info is not valid json" {
 	stub curl "-s * : echo 'not a json'"
+	stub wget "-q * : echo 'not a json'"
 
 	TEST_TEMP_DIR=$(mktemp -d)
 	cd "$TEST_TEMP_DIR"
@@ -48,6 +51,7 @@ teardown() {
 
 @test "fetch_release_info should print an rate limit error message if the response indicates rate limiting" {
 	stub curl "-s * : cat '$DIR/test/fixtures/releases/_error/rate_limit_release.json'"
+	stub wget "-q * : cat '$DIR/test/fixtures/releases/_error/rate_limit_release.json'"
 
 	TEST_TEMP_DIR=$(mktemp -d)
 	cd "$TEST_TEMP_DIR"
@@ -65,6 +69,7 @@ teardown() {
 
 @test "fetch_release_info should print an error message if the release info contains some other error" {
 	stub curl "-s * : cat '$DIR/test/fixtures/releases/_error/teapot_release.json'"
+	stub wget "-q * : cat '$DIR/test/fixtures/releases/_error/teapot_release.json'"
 
 	TEST_TEMP_DIR=$(mktemp -d)
 	cd "$TEST_TEMP_DIR"

test/03_test_release_age.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_argocd.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_bottom.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_devbox.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_dive.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_duckdb.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_fd.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_fx.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_fzf.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_gdu.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_genact.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_gh.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_git-sizer.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_goss.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_gping.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_helm.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_helmfile.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_jsonschema.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_k9s.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_kind.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_kops.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_lazydocker.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_lazygit.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {

test/03_test_release_odin.bats

@@ -18,6 +18,7 @@ teardown() {
 
 	unstub uname || true
 	unstub curl || true
+	unstub wget || true
 }
 
 @test "find_download_url should print match for the correct asset [linux/amd64]" {