packer init creates plugins in homebrew directory.

[madelaney]

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Overview of the Issue

With packer (v1.9.2) on Apple Mac M1 chip, when I run packer init, I'd expected the plugins to get installed in $HOME/.config/packer/plugins but they're getting installed in /opt/homebrew/bin/github.com/hashicorp/....

Reproduction Steps

1. Create simple packer with Azure ARM builder.
2. Ensure we have the following block:

packer {
  required_plugins {
    azure = {
      source  = "github.com/hashicorp/azure"
      version = "~> 1"
    }
  }
}

3. Run packer init

Packer version

1.9.2 (installed via homebrew)

Simplified Packer Template

packer {
  required_plugins {
    azure = {
      source  = "github.com/hashicorp/azure"
      version = "~> 1"
    }
  }
}

source "azure-arm" "default" {
.. add builder info here.
}

Operating system and Environment details

Mac OS X (13.5), Apple M1 chip.

Log Fragments and crash.log files

2023/08/15 12:28:34 [INFO] Packer version: 1.9.2 [go1.20.6 darwin arm64]
2023/08/15 12:28:34 [TRACE] discovering plugins in 
2023/08/15 12:28:34 [TRACE] discovering plugins in /opt/homebrew/bin
2023/08/15 12:28:34 [INFO] PACKER_CONFIG env var not set; checking the default config file path
2023/08/15 12:28:34 [INFO] PACKER_CONFIG env var set; attempting to open config file: /Users/mdelaney/.packerconfig
2023/08/15 12:28:34 [WARN] Config file doesn't exist: /Users/mdelaney/.packerconfig
2023/08/15 12:28:34 [INFO] Setting cache directory: /Users/mdelaney/.cache/packer
2023/08/15 12:28:34 [TRACE] init: plugingetter.ListInstallationsOptions{FromFolders:[]string{"", "/opt/homebrew/bin"}, BinaryInstallationOptions:plugingetter.BinaryInstallationOptions{APIVersionMajor:"5", APIVersionMinor:"0", OS:"darwin", ARCH:"arm64", Ext:"", Checksummers:[]plugingetter.Checksummer{plugingetter.Checksummer{Type:"sha256", Hash:(*sha256.digest)(0x140005ca680)}}}}
2023/08/15 12:28:34 [TRACE] listing potential installations for "github.com/hashicorp/azure" that match "~> 1". plugingetter.ListInstallationsOptions{FromFolders:[]string{"", "/opt/homebrew/bin"}, BinaryInstallationOptions:plugingetter.BinaryInstallationOptions{APIVersionMajor:"5", APIVersionMinor:"0", OS:"darwin", ARCH:"arm64", Ext:"", Checksummers:[]plugingetter.Checksummer{plugingetter.Checksummer{Type:"sha256", Hash:(*sha256.digest)(0x140005ca680)}}}}
2023/08/15 12:28:34 [TRACE] for plugin github.com/hashicorp/azure found 0 matching installation(s)
2023/08/15 12:28:34 [TRACE] getting available versions for the github.com/hashicorp/azure plugin
2023/08/15 12:28:34 [WARNING] github-getter: no GitHub token set, if you intend to install plugins often, please set the PACKER_GITHUB_API_TOKEN env var
2023/08/15 12:28:34 [DEBUG] github-getter: getting "https://api.github.com/repos/hashicorp/packer-plugin-azure/git/matching-refs/tags"
2023/08/15 12:28:34 [DEBUG] will try to install: [2.0.0 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.1 1.3.0 1.2.0 1.1.0 1.0.8 1.0.7 1.0.6 1.0.5 1.0.4 1.0.3 1.0.2 1.0.1 1.0.0]
2023/08/15 12:28:34 [TRACE] fetching checksums file for the "2.0.0" version of the github.com/hashicorp/azure plugin in "/opt/homebrew/bin/github.com/hashicorp/azure"...
2023/08/15 12:28:34 [DEBUG] github-getter: getting "https://github.com/hashicorp/packer-plugin-azure/releases/download/v2.0.0/packer-plugin-azure_v2.0.0_SHA256SUMS"
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_openbsd_arm.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_freebsd_amd64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_netbsd_386.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_solaris_amd64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_freebsd_386.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_windows_386.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_darwin_amd64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_linux_arm64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_freebsd_arm.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_openbsd_386.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_windows_amd64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_linux_386.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_openbsd_amd64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_linux_amd64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_netbsd_arm.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_netbsd_amd64.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] ignoring invalid remote binary packer-plugin-azure_v2.0.0_x5.0_linux_arm.zip: wrong system, expected darwin_arm64 
2023/08/15 12:28:34 [TRACE] About to get: packer-plugin-azure_v2.0.0_x5.0_darwin_arm64.zip
2023/08/15 12:28:34 [DEBUG] github-getter: getting "https://github.com/hashicorp/packer-plugin-azure/releases/download/v2.0.0/packer-plugin-azure_v2.0.0_x5.0_darwin_arm64.zip"
2023/08/15 12:28:36 [INFO] (telemetry) Finalizing.
�[1;36mInstalled plugin github.com/hashicorp/azure v2.0.0 in "/opt/homebrew/bin/github.com/hashicorp/azure/packer-plugin-azure_v2.0.0_x5.0_darwin_arm64"�[0m
2023/08/15 12:28:36 waiting for all plugin processes to complete...

[madelaney]

Nevermind, this is a side effect of the Homebrew install. I'll close this out.

For context, homebrew will put packer in the path but it's not a symlink or copy of packer proper but instead it is a shell script that sets/appends PACKER_PLUGIN_PATH then invokes packer proper.

The script, as of today, looks something like:

#!/bin/bash
PACKER_PLUGIN_PATH="$PACKER_PLUGIN_PATH:/opt/homebrew/bin" exec "/opt/homebrew/Cellar/packer/1.9.2/libexec/bin/packer"  "$@"

[github-actions]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
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