Feature/apk install (#134)

* wip

* wip

* Updated install.sh to support alpine/apk

* tidied up install.sh output for apk

* refactor install.sh; hopefully embedded version info now includes 'v'

* install.sh cleanup

.goreleaser-darwin.yml

@@ -16,7 +16,7 @@ builds:
       - arm64
     ldflags:
       - -s -w
-      - -X github.com/neilotoole/sq/cli/buildinfo.Version={{ .Version }}
+      - -X github.com/neilotoole/sq/cli/buildinfo.Version=v{{ .Version }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Commit={{ .ShortCommit }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Timestamp={{ .Date }}
 

.goreleaser-linux-amd64.yml

@@ -17,7 +17,7 @@ builds:
       - amd64
     ldflags:
       - -s -w
-      - -X github.com/neilotoole/sq/cli/buildinfo.Version={{ .Version }}
+      - -X github.com/neilotoole/sq/cli/buildinfo.Version=v{{ .Version }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Commit={{ .ShortCommit }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Timestamp={{ .Date }}
 

.goreleaser-linux-arm64.yml

@@ -20,7 +20,7 @@ builds:
     ldflags:
       - -extld=aarch64-linux-gnu-gcc
       - -s -w
-      - -X github.com/neilotoole/sq/cli/buildinfo.Version={{ .Version }}
+      - -X github.com/neilotoole/sq/cli/buildinfo.Version=v{{ .Version }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Commit={{ .ShortCommit }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Timestamp={{ .Date }}
 

.goreleaser-windows.yml

@@ -15,7 +15,7 @@ builds:
       - amd64
     ldflags:
       - -s -w
-      - -X github.com/neilotoole/sq/cli/buildinfo.Version={{ .Version }}
+      - -X github.com/neilotoole/sq/cli/buildinfo.Version=v{{ .Version }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Commit={{ .ShortCommit }}
       - -X github.com/neilotoole/sq/cli/buildinfo.Timestamp={{ .Date }}
 

install.sh

@@ -1,13 +1,33 @@
 #!/usr/bin/env sh
-# This script attempts to install sq via apt, yum, or brew.
+# This script attempts to install sq via apt, yum, apk, or brew.
+# Parts of the script are inspired by the get-docker.sh
+# script at https://get.docker.com
 
 
-# Test if apt is installed
-apt --version >/dev/null 2>&1
-if [ "$?" -eq "0" ]; then
+get_distribution() {
+	lsb_dist=""
+	# Every system that we officially support has /etc/os-release
+	if [ -r /etc/os-release ]; then
+		lsb_dist="$(. /etc/os-release && echo "$ID")"
+	fi
+	# Returning an empty string here should be alright since the
+	# case statements don't act unless you provide an actual value
+	echo "$lsb_dist"
+}
+
+# Usage:
+#
+# if command_exists lsb_release; then
+command_exists() {
+	command -v "$@" > /dev/null 2>&1
+}
+
+get_distribution
+
+# apt / deb
+if [ -r /etc/debian_version ] && command_exists apt; then
   set -e
-  echo "Using apt to install sq..."
-  echo ""
+  printf "Using apt to install sq...\n\n"
 
   apt update -y && apt install -y --no-upgrade curl gpg
 
@@ -23,16 +43,18 @@ EOF
 
   apt update -y && apt install -y sq
 
+  printf "\n"
+  sq version
+  printf "\n"
   exit
 fi
 
 
-# Test if yum is installed
-yum version >/dev/null 2>&1
-if [ "$?" -eq "0" ]; then
+# Yum / rpm
+if command_exists yum; then
   set -e
-  echo "Using yum to install sq..."
-  echo ""
+  set +x
+  printf "Using yum to install sq...\n\n"
 
   cat <<EOF > /etc/yum.repos.d/sq.repo
 [sq]
@@ -45,28 +67,78 @@ EOF
 
   yum install -y sq
 
+  printf "\n"
+  sq version
+  printf "\n"
   exit
 fi
 
 
-# Test if brew is installed
-brew --version >/dev/null 2>&1
-if [ "$?" -eq "0" ]; then
+# apk / alpine
+if command_exists apk; then
   set -e
-  echo "Using brew to install sq..."
-  echo ""
+  printf "Using apk to install sq...\n\n"
+  apk update
+
+  # sq isn't published to an Alpine repo yet, so we download the
+  # file from GitHub, and execute "apk add" with the local apk file.
+
+  # e.g. "v1.0.0"
+  semver=$(wget -qO- "https://api.github.com/repos/neilotoole/sq/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
+
+  # e.g. "1.0.0"
+  ver=$(echo "$semver" | sed -e "s/^v//")
+
+  # Should be "x86_64" for amd64, and "aarch64" for arm64
+  arch=$(uname -m)
+
+  if [ "$arch" == "x86_64" ]; then
+    arch="amd64"
+  elif [ "$arch" == "aarch64" ]; then
+    arch="arm64"
+  else
+    printf "sq install package not available for architecture %q\n" $arch
+    exit 1
+  fi
+
+  # e.g. "sq_0.18.1_linux_arm64.apk"
+  file_name=$(printf "sq_%s_linux_%s.apk" "$ver" $arch)
+  file_path="/tmp/$file_name"
+
+  # https://github.com/neilotoole/sq/releases/download/v0.18.1/sq_0.18.1_linux_amd64.apk
+  # https://github.com/neilotoole/sq/releases/download/v0.18.1/sq_0.18.1_linux_arm64.apk
+  download_url=$(printf "https://github.com/neilotoole/sq/releases/download/%s/%s" "$semver" "$file_name")
+
+  echo "Downloading apk from: $download_url"
+  wget  "$download_url" -O "$file_path"
+
+  apk add --allow-untrusted "$file_path"
+  rm "$file_path"
+
+  printf "\n"
+  sq version
+  printf "\n"
+  exit
+fi
+
+# brew
+if command_exists brew; then
+  set -e
+  printf "Using brew to install sq...\n\n"
 
   brew install neilotoole/sq/sq
 
+  printf "\n"
+  sq version
+  printf "\n"
   exit
 fi
 
 
-echo ""
-echo "Could not find a suitable install mechanism to install sq."
-echo ""
-echo "Visit https://github.com/neilotoole/sq for more installation options."
+printf "\nCould not find a suitable install mechanism to install sq.\n"
+printf "\nVisit https://github.com/neilotoole/sq for more installation options.\n"
 exit 1
 
 
 
+