Remove simple examples, add complex one

This patch removes the many simple examples and replaces them with one
big example repository with 26 packages that have a complex dependency
setup.
This is nice for testing.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

96 files changed, 306 insertions, 738 deletions

diff --git a/examples/packages/1/Makefile b/examples/packages/1/Makefile
deleted file mode 100644
index 9de0fb9..0000000
--- a/examples/packages/1/Makefile
+++ /dev/null
@@ -1,62 +0,0 @@
-.PHONY: all
-all: directories copyrepo
-
-directories: ${BUTIDO_RELEASES} ${BUTIDO_STAGING} ${BUTIDO_SOURCE_CACHE} ${BUTIDO_LOG_DIR} ${BUTIDO_REPO}
-
-
-# to start a webserver for serving the source files.
-webserver: ./sources ${BUTIDO_SOURCE_CACHE}
-	devd -A 127.0.0.1 -p 8180 -T ./sources
-
-
-copyrepo: ${BUTIDO_REPO} check-env
-	cp -rv ./repo/* ${BUTIDO_REPO}/
-	cd ${BUTIDO_REPO}/ && git init && git add . && git commit -m init
-
-${BUTIDO_RELEASES}: check-env
-	mkdir -p "${BUTIDO_RELEASES}"
-
-${BUTIDO_STAGING}: check-env
-	mkdir -p "${BUTIDO_STAGING}"
-
-${BUTIDO_SOURCE_CACHE}: check-env
-	mkdir -p "${BUTIDO_SOURCE_CACHE}"
-
-${BUTIDO_LOG_DIR}: check-env
-	mkdir -p "${BUTIDO_LOG_DIR}"
-
-${BUTIDO_REPO}: check-env
-	mkdir -p "${BUTIDO_REPO}"
-
-
-check-env:
-ifndef BUTIDO_RELEASES
-	$(error BUTIDO_RELEASES is undefined)
-endif
-ifndef BUTIDO_STAGING
-	$(error BUTIDO_STAGING is undefined)
-endif
-ifndef BUTIDO_SOURCE_CACHE
-	$(error BUTIDO_SOURCE_CACHE is undefined)
-endif
-ifndef BUTIDO_LOG_DIR
-	$(error BUTIDO_LOG_DIR is undefined)
-endif
-ifndef BUTIDO_REPO
-	$(error BUTIDO_REPO is undefined)
-endif
-ifndef BUTIDO_DATABASE_HOST
-	$(error BUTIDO_DATABASE_HOST is undefined)
-endif
-ifndef BUTIDO_DATABASE_PORT
-	$(error BUTIDO_DATABASE_PORT is undefined)
-endif
-ifndef BUTIDO_DATABASE_USER
-	$(error BUTIDO_DATABASE_USER is undefined)
-endif
-ifndef BUTIDO_DATABASE_PASSWORD
-	$(error BUTIDO_DATABASE_PASSWORD is undefined)
-endif
-ifndef BUTIDO_DATABASE_NAME
-	$(error BUTIDO_DATABASE_NAME is undefined)
-endif
diff --git a/examples/packages/1/README.md b/examples/packages/1/README.md
deleted file mode 100644
index 4c680d2..0000000
--- a/examples/packages/1/README.md
+++ /dev/null
@@ -1,60 +0,0 @@
-# Example 1
-
-This is an example of packages.
-
-It contains only scripts that are packaged and not real packages, but it tries
-to resemble a real packaging process cleanly, including downloads and even
-failing builds (configurable via ENV variables).
-
-
-## Setup
-
-The top-level `shell.nix` file contains a list of environment variables that are
-required for butido and the Makefile to automagically find the right locations.
-
-The `shell.nix` file can be called with
-`nix-shell ./shell.nix --argstr example 1` to explicitely select the environment
-for example 1.
-
-
-## Downloads
-
-The downloads are done from localhost, where a (python) web server has to serve
-the files.
-Butido can download from there.
-
-
-## Packages
-
-The packages are dependend on eachother like this:
-
-```
-a
- `- b
- |  `- d
- |  |  `- i
- |  `- e
- |  `- f
- `- c
-    `- g
-    `- h
-       `- j
-```
-
-## Database
-
-The database host is to be expected to run with the settings specified in the
-`shell.nix` file (see `example_1_env`).
-
-See `/scripts/dev-pg-container.sh` for how to start the container.
-Use `diesel db reset` to setup the database.
-
-
-## Build
-
-The actual build is done in /tmp, where directories are created for the sources,
-staging packages, released packages, the repository of package definitions and
-the logs.
-
-The `Makefile` can be used to do this.
-
diff --git a/examples/packages/1/repo/a/pkg.toml b/examples/packages/1/repo/a/pkg.toml
deleted file mode 100644
index 6261999..0000000
--- a/examples/packages/1/repo/a/pkg.toml
+++ /dev/null
@@ -1,14 +0,0 @@
-name              = "a"
-version           = "1"
-
-[sources.src]
-url       = "http://localhost:8180/a-1.source"
-hash.hash = "eb68d0823f7047958133e66ebedc923825e8a8fe"
-
-[dependencies]
-runtime         = ["b =2", "c =3"]
-
-[phases]
-build.script = '''
-    echo "Building {{name}} in version {{version}}"
-'''
diff --git a/examples/packages/1/repo/b/pkg.toml b/examples/packages/1/repo/b/pkg.toml
deleted file mode 100644
index df8cd3f..0000000
--- a/examples/packages/1/repo/b/pkg.toml
+++ /dev/null
@@ -1,41 +0,0 @@
-name              = "b"
-version           = "2"
-
-[sources.src]
-url       = "http://localhost:8180/b-2.source"
-hash.hash = "89cad6f574693c02c8ecf94983ec20ffad43af0b"
-
-[dependencies]
-build           = ["f =6"]
-runtime         = ["d =4", "e =5"]
-
-[environment]
-FOO = "123"
-BAR = "bla"
-
-[phases]
-build.script = '''
-    echo "Look my pretty variables: $FOO"
-    if [[ -z "$FOO" ]]; then
-        {{state "ERR" "Failed to find variable FOO"}}
-        exit 1
-    fi
-
-    if [[ "$FOO" != "123" ]]; then
-        {{state "ERR" "FOO is not equal to '123'"}}
-        exit 1
-    fi
-
-    echo "Look my pretty variables: $BAR"
-    if [[ -z "$BAR" ]]; then
-        {{state "ERR" "Failed to find variable BAR"}}
-        exit 1
-    fi
-
-    if [[ "$BAR" != "bla" ]]; then
-        {{state "ERR" "BAR is not equal to 'bla'"}}
-        exit 1
-    fi
-
-    echo "Building {{name}} in version {{version}}"
-'''
diff --git a/examples/packages/1/repo/c/pkg.toml b/examples/packages/1/repo/c/pkg.toml
deleted file mode 100644
index 67533fb..0000000
--- a/examples/packages/1/repo/c/pkg.toml
+++ /dev/null
@@ -1,15 +0,0 @@
-name              = "c"
-version           = "3"
-
-[sources.src]
-url       = "http://localhost:8180/c-3.source"
-hash.hash = "ee4110c6e42791861e5720646c965580a0ddae8d"
-
-[dependencies]
-runtime         = ["g =7", "h =8"]
-
-
-[phases]
-build.script = '''
-    echo "Building {{name}} in version {{version}}"
-'''
diff --git a/examples/packages/1/repo/config.toml b/examples/packages/1/repo/config.toml
deleted file mode 100644
index 79f9fc8..0000000
--- a/examples/packages/1/repo/config.toml
+++ /dev/null
@@ -1,41 +0,0 @@
-# Configuration file for BUTIDO for this repository
-
-# In the example, these are configured via the environment.
-# See README.md
-#releases     = "/tmp/example-1-releases"
-#staging      = "/tmp/example-1-staging"
-#source_cache = "/tmp/example-1-sources"
-#log_dir      = "/tmp/example-1-logs"
-#database_host     = "localhost"
-#database_port     = 5432
-#database_user     = "pgdev"
-#database_password = "password"
-#database_name     = "butido"
-
-script_highlight_theme = "Solarized (dark)"
-
-script_linter = "linterscript"
-
-# Phases which can be configured in the packages
-available_phases = [ "checksource", "unpack", "build", "package" ]
-
-[docker]
-# Images which can be used to build
-# images not listed here are automatically rejected
-images = [ "debian:bullseye" ]
-verify_images_present = true
-
-# List of docker endpoints
-[[docker.endpoints]]
-name          = "localhost"
-uri           = "http://0.0.0.0:8095"
-endpoint_type = "http"
-speed         = 1
-maxjobs       = 10
-
-[containers]
-# environment variables which are allowed during container start
-# This way, errors (typos) when passing environment to a build can be prevented
-check_env_names = true
-allowed_env = [ "FOO", "BAR" ]
-
diff --git a/examples/packages/1/repo/d/pkg.toml b/examples/packages/1/repo/d/pkg.toml
deleted file mode 100644
index ff4430d..0000000
--- a/examples/packages/1/repo/d/pkg.toml
+++ /dev/null
@@ -1,14 +0,0 @@
-name              = "d"
-version           = "4"
-
-[sources.src]
-url       = "http://localhost:8180/d-4.source"
-hash.hash = "e8332116d7a7104f4affc10b6c65a93027441437"
-
-[dependencies]
-build = ["i =9"]
-
-[phases]
-build.script = '''
-    echo "Building {{name}} in version {{version}}"
-'''
diff --git a/examples/packages/1/repo/e/pkg.toml b/examples/packages/1/repo/e/pkg.toml
deleted file mode 100644
index 9bf14f6..0000000
--- a/examples/packages/1/repo/e/pkg.toml
+++ /dev/null
@@ -1,11 +0,0 @@