gliderlabs · josegonzalez · Oct 12, 2025 · Sep 13, 2025 · Sep 14, 2025 · Sep 15, 2025
diff --git a/.editorconfig b/.editorconfig
@@ -7,11 +7,9 @@ end_of_line = lf
 insert_final_newline = true
 charset = utf-8
 trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2
 
 [*.go]
 indent_style = tab
 indent_size = 4
-
-[contrib/post-install]
-indent_size = 2
-indent_style = space
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Clone
         uses: actions/checkout@v5
       - name: Run hadolint
-        uses: hadolint/hadolint-action@3fc49fb50d59c6ab7917a2e4195dba633e515b29
+        uses: hadolint/hadolint-action@2332a7b74a6de0dda2e2221d575162eba76ba5e5
         with:
           config: .github/linters/.hadolint.yml
 

diff --git a/.gitignore b/.gitignore
@@ -4,3 +4,4 @@ build
 include/cedarish.txt
 include/buildpacks.txt
 bindata.go
+.idea/
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,46 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.11.5](https://github.com/gliderlabs/herokuish/compare/v0.11.4...v0.11.5) - 2025-10-12
+
+- #1608 @dokku-bot: Update nodejs to version v310
+- #1609 @dependabot: chore(deps): bump puma from 7.0.2 to 7.0.3 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1610 @dokku-bot: Update gradle to version v46
+- #1611 @dokku-bot: Update gradle to version v47
+- #1612 @dokku-bot: Update go to version v213
+- #1613 @dokku-bot: Update ruby to version v321
+- #1614 @dokku-bot: Update gradle to version v48
+- #1615 @dokku-bot: Update python to version v308
+- #1616 @dokku-bot: Update python to version v309
+- #1617 @dokku-bot: Update php to version v274
+- #1618 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 273 to 274 in /buildpacks/buildpack-php/tests/php
+- #1619 @dependabot: chore(deps): bump hadolint/hadolint-action from 3.2.0 to 3.3.0
+- #1620 @dokku-bot: Update python to version v310
+- #1621 @dependabot: chore(deps): bump puma from 7.0.3 to 7.0.4 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1622 @Tashows Expose buildpack detection as a command
+- #1624 @dokku-bot: Update nodejs to version v313
+- #1625 @dependabot: chore(deps): bump markupsafe from 3.0.2 to 3.0.3 in /buildpacks/buildpack-python/tests/python-flask
+- #1626 @dependabot: chore(deps): bump markupsafe from 3.0.2 to 3.0.3 in /buildpacks/buildpack-multi/tests/multi
+- #1627 @dokku-bot: Update ruby to version v322
+- #1628 @dokku-bot: Update scala to version v100
+- #1629 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 274 to 275 in /buildpacks/buildpack-php/tests/php
+- #1630 @dokku-bot: Update python to version v311
+- #1631 @dokku-bot: Update php to version v275
+- #1632 @josegonzalez fix: use updated method of setting environment variables in Dockerfile
+- #1633 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 275 to 276 in /buildpacks/buildpack-php/tests/php
+- #1634 @dokku-bot: Update python to version v312
+- #1635 @dokku-bot: Update php to version v276
+- #1636 @dependabot: chore(deps): bump rack from 3.2.1 to 3.2.2 in /buildpacks/buildpack-multi/tests/multi
+- #1637 @dependabot: chore(deps): bump rack from 3.2.1 to 3.2.2 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1638 @dependabot: chore(deps): bump sinatra from 4.1.1 to 4.2.0 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1639 @dependabot: chore(deps): bump sinatra from 4.1.1 to 4.2.0 in /buildpacks/buildpack-multi/tests/multi
+- #1640 @dokku-bot: Update go to version v214
+- #1642 @dependabot: chore(deps): bump rack from 3.2.2 to 3.2.3 in /buildpacks/buildpack-multi/tests/multi
+- #1643 @dependabot: chore(deps): bump rack from 3.2.2 to 3.2.3 in /buildpacks/buildpack-ruby/tests/ruby-sinatra
+- #1644 @dokku-bot: Update ruby to version v324
+- #1645 @dokku-bot: Update python to version v313
+- #1646 @dokku-bot: Update nodejs to version v314
+
 ## [0.11.4](https://github.com/gliderlabs/herokuish/compare/v0.11.3...v0.11.4) - 2025-09-12
 
 - #1600 @dokku-bot: Update python to version v307

diff --git a/Dockerfile b/Dockerfile
@@ -14,7 +14,7 @@ ARG STACK_VERSION=24
 ARG TARGETARCH
 
 ENV STACK=heroku-$STACK_VERSION
-ENV DEBIAN_FRONTEND noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
 LABEL com.gliderlabs.herokuish/stack=$STACK
 
 USER root
@@ -39,4 +39,4 @@ RUN apt-install daemontools && \
     */tmp
 COPY include/default_user.bash /tmp/default_user.bash
 RUN bash /tmp/default_user.bash && rm -f /tmp/default_user.bash
-ENV BASH_BIN /usr/bin/bash
+ENV BASH_BIN=/usr/bin/bash
diff --git a/Makefile b/Makefile
@@ -4,7 +4,7 @@ REPOSITORY = herokuish
 DESCRIPTION = 'Herokuish uses Docker and Buildpacks to build applications like Heroku'
 HARDWARE = $(shell uname -m)
 SYSTEM_NAME  = $(shell uname -s | tr '[:upper:]' '[:lower:]')
-VERSION ?= 0.11.4
+VERSION ?= 0.11.5
 IMAGE_NAME ?= $(NAME)
 BUILD_TAG ?= dev
 PACKAGECLOUD_REPOSITORY ?= dokku/dokku-betafish

diff --git a/README.md b/README.md
@@ -2,7 +2,7 @@
 
 [![Build Status](https://github.com/gliderlabs/herokuish/workflows/CI/badge.svg)](https://github.com/gliderlabs/herokuish/actions?query=workflow%3ACI)
 [![IRC Channel](https://img.shields.io/badge/irc-%23gliderlabs-blue.svg)](https://kiwiirc.com/client/irc.freenode.net/#gliderlabs)
-[![Docker Hub](https://img.shields.io/badge/docker%20hub-v0.11.4-blue)](https://hub.docker.com/r/gliderlabs/herokuish)
+[![Docker Hub](https://img.shields.io/badge/docker%20hub-v0.11.5-blue)](https://hub.docker.com/r/gliderlabs/herokuish)
 
 A command line tool for emulating Heroku build and runtime tasks in containers.
 
@@ -19,7 +19,7 @@ Download and uncompress the latest binary tarball from [releases](https://github
 For example, you can do this directly in your Dockerfiles installing into `/bin` as one step:
 
 ```shell
-RUN curl --location --silent https://github.com/gliderlabs/herokuish/releases/download/v0.11.4/herokuish_0.11.4_linux_x86_64.tgz \
+RUN curl --location --silent https://github.com/gliderlabs/herokuish/releases/download/v0.11.5/herokuish_0.11.5_linux_x86_64.tgz \
     | tar -xzC /bin
 ```
 
@@ -35,6 +35,7 @@ $ herokuish
 Available commands:
   buildpack                Use and install buildpacks
     build                    Build an application using installed buildpacks
+    detect                   Detect buildpack to use for an application
     install                  Install buildpack from Git URL and optional committish
     list                     List installed buildpacks
     test                     Build and run tests for an application using installed buildpacks

diff --git a/buildpacks/buildpack-go/buildpack-version b/buildpacks/buildpack-go/buildpack-version
@@ -1 +1 @@
-v212
+v214
diff --git a/buildpacks/buildpack-gradle/buildpack-version b/buildpacks/buildpack-gradle/buildpack-version
@@ -1 +1 @@
-v45
+v48
diff --git a/buildpacks/buildpack-multi/tests/multi/Gemfile.lock b/buildpacks/buildpack-multi/tests/multi/Gemfile.lock
@@ -1,27 +1,27 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    base64 (0.2.0)
-    logger (1.6.1)
-    mustermann (3.0.3)
+    base64 (0.3.0)
+    logger (1.7.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    rack (3.2.1)
-    rack-protection (4.1.1)
+    rack (3.2.3)
+    rack-protection (4.2.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
     rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
     ruby2_keywords (0.0.5)
-    sinatra (4.1.1)
+    sinatra (4.2.1)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.1)
+      rack-protection (= 4.2.1)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    tilt (2.4.0)
+    tilt (2.6.1)
 
 PLATFORMS
   ruby

diff --git a/buildpacks/buildpack-multi/tests/multi/requirements.txt b/buildpacks/buildpack-multi/tests/multi/requirements.txt
@@ -1,4 +1,4 @@
 Flask==3.1.2
 Jinja2==3.1.6
 gunicorn==23.0.0
-markupsafe==3.0.2
+markupsafe==3.0.3
diff --git a/buildpacks/buildpack-nodejs/buildpack-version b/buildpacks/buildpack-nodejs/buildpack-version
@@ -1 +1 @@
-v309
+v314
diff --git a/buildpacks/buildpack-php/buildpack-version b/buildpacks/buildpack-php/buildpack-version
@@ -1 +1 @@
-v273
+v276
diff --git a/buildpacks/buildpack-php/tests/php/composer.lock b/buildpacks/buildpack-php/tests/php/composer.lock
diff --git a/buildpacks/buildpack-python/buildpack-version b/buildpacks/buildpack-python/buildpack-version
@@ -1 +1 @@
-v307
+v313
diff --git a/buildpacks/buildpack-python/tests/python-flask/requirements.txt b/buildpacks/buildpack-python/tests/python-flask/requirements.txt
@@ -1,4 +1,4 @@
 Flask==3.1.2
 Jinja2==3.1.6
 gunicorn==23.0.0
-markupsafe==3.0.2
+markupsafe==3.0.3
diff --git a/buildpacks/buildpack-ruby/buildpack-version b/buildpacks/buildpack-ruby/buildpack-version
@@ -1 +1 @@
-v320
+v324
diff --git a/buildpacks/buildpack-ruby/tests/ruby-sinatra/Gemfile.lock b/buildpacks/buildpack-ruby/tests/ruby-sinatra/Gemfile.lock
@@ -1,16 +1,16 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    base64 (0.2.0)
-    logger (1.6.1)
-    mustermann (3.0.3)
+    base64 (0.3.0)
+    logger (1.7.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.7.4)
     power_assert (2.0.5)
-    puma (7.0.2)
+    puma (7.0.4)
       nio4r (~> 2.0)
-    rack (3.2.1)
-    rack-protection (4.1.1)
+    rack (3.2.3)
+    rack-protection (4.2.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
@@ -23,16 +23,16 @@ GEM
       rack (>= 3)
     rake (13.3.0)
     ruby2_keywords (0.0.5)
-    sinatra (4.1.1)
+    sinatra (4.2.1)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.1)
+      rack-protection (= 4.2.1)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
     test-unit (3.7.0)
       power_assert
-    tilt (2.4.0)
+    tilt (2.6.1)
 
 PLATFORMS
   ruby

diff --git a/buildpacks/buildpack-scala/buildpack-version b/buildpacks/buildpack-scala/buildpack-version
@@ -1 +1 @@
-v99
+v100
diff --git a/include/buildpack.bash b/include/buildpack.bash
@@ -70,6 +70,14 @@ _select-buildpack() {
   fi
 }
 
+buildpack-detect() {
+  declare desc="Detect suitable buildpack for an application"
+  ensure-paths
+  [[ "$USER" ]] || randomize-unprivileged
+  buildpack-setup >/dev/null
+  _select-buildpack
+}
+
 buildpack-build() {
   declare desc="Build an application using installed buildpacks"
   ensure-paths

diff --git a/include/herokuish.bash b/include/herokuish.bash
@@ -133,6 +133,7 @@ main() {
   cmd-export buildpack-install
   cmd-export buildpack-list
   cmd-export buildpack-test
+  cmd-export buildpack-detect
 
   cmd-export-ns slug "Manage application slugs"
   cmd-export slug-import

diff --git a/tests/functional/tests.sh b/tests/functional/tests.sh
@@ -48,3 +48,48 @@ T_generate-slug() {
 		herokuish slug generate
 		tar tzf /tmp/slug.tgz"
 }
+
+T_buildpack-detect-default() {
+  herokuish-test "buildpack-detect-default" "
+    set -e
+    unset BUILDPACK_URL
+    export buildpack_path=/tmp/buildpacks
+    export build_path=/tmp/app
+    export unprivileged_user=\$(whoami)
+    export unprivileged_group=\$(id -gn)
+
+    rm -rf \$buildpack_path && mkdir -p \$buildpack_path
+
+    mkdir -p \$buildpack_path/00_buildpack-ruby/bin
+    {
+      echo '#!/usr/bin/env bash'
+      echo 'echo Ruby'
+      echo 'exit 0'
+    } > \$buildpack_path/00_buildpack-ruby/bin/detect
+    chmod +x \$buildpack_path/00_buildpack-ruby/bin/detect
+
+    herokuish buildpack detect | grep 'Ruby app detected'
+  "
+}
+
+T_buildpack-detect-fail() {
+  herokuish-test "buildpack-detect-fail" "
+    set -e
+    unset BUILDPACK_URL
+    export buildpack_path=/tmp/buildpacks
+    export build_path=/tmp/app
+    export unprivileged_user=\$(whoami)
+    export unprivileged_group=\$(id -gn)
+
+    rm -rf \$buildpack_path && mkdir -p \$buildpack_path
+
+    mkdir -p \$buildpack_path/00_buildpack-fail/bin
+    {
+      echo '#!/usr/bin/env bash'
+      echo 'exit 1'
+    } > \$buildpack_path/00_buildpack-fail/bin/detect
+    chmod +x \$buildpack_path/00_buildpack-fail/bin/detect
+
+    herokuish buildpack detect 2>&1 | grep 'Unable to select a buildpack'
+  "
+}