From bd60424e099623a148a5d186c6f268807e33896c Mon Sep 17 00:00:00 2001
From: Alexey Neyman <stilor@att.net>
Date: Sun, 29 Apr 2018 23:03:26 -0700
Subject: Add the ability to run some but not all samples in docker

Also, build containers with --no-cache: distributions like ArchLinux
retire their packages very quickly, need to always use up-to-date
package databases.

Signed-off-by: Alexey Neyman <stilor@att.net>

diff --git a/testing/docker/common-scripts/ctng-build-sample b/testing/docker/common-scripts/ctng-build-sample
new file mode 100755
index 0000000..3f21478
--- /dev/null
+++ b/testing/docker/common-scripts/ctng-build-sample
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+cd
+rm -rf bld-samples
+mkdir bld-samples
+cd bld-samples
+export PATH=$HOME/inst-ctng/bin:$PATH
+ct-ng build-all ${1+CT_SAMPLES="$*"}
diff --git a/testing/docker/common-scripts/ctng-test-all b/testing/docker/common-scripts/ctng-test-all
deleted file mode 100755
index f0ba266..0000000
--- a/testing/docker/common-scripts/ctng-test-all
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-
-set -e
-cd
-rm -rf bld-samples
-mkdir bld-samples
-cd bld-samples
-export PATH=$HOME/inst-ctng/bin:$PATH
-ct-ng help
-ct-ng list-samples
-ct-ng list-steps
-ct-ng build-all
diff --git a/testing/docker/common-scripts/ctng-test-basic b/testing/docker/common-scripts/ctng-test-basic
new file mode 100755
index 0000000..75412e1
--- /dev/null
+++ b/testing/docker/common-scripts/ctng-test-basic
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+cd
+export PATH=$HOME/inst-ctng/bin:$PATH
+ct-ng help
+ct-ng list-samples
+ct-ng list-steps
diff --git a/testing/docker/dmgr.sh b/testing/docker/dmgr.sh
index 1f2b120..0824784 100755
--- a/testing/docker/dmgr.sh
+++ b/testing/docker/dmgr.sh
@@ -19,16 +19,19 @@ usage()
     cat >&2 <<EOF
 ${1:+ERROR :: $1
 
-}Usage: $0 [action] [containters]
+}Usage: $0 [action] [containter] [args...]
 
 Action is one of:
 
    build     Build or rebuild the specified containers.
-   test      Run tests (build-all).
+   install   Install crosstool-NG in specified containers.
+   sample    Build a sample or if no sample name specified, all.
    enter     Spawn a shell in the specified container.
+   root      Spawn a root shell in the specified container.
    clean     Clean up in the specified container.
 
-If containers are not specified, the action is applied to all available containers.
+If a special container name 'all' is used, the action is performed
+on all the containers.
 EOF
     exit 1
 }
@@ -39,7 +42,7 @@ action_build()
     local cntr=$1
 
     msg "Building Docker container for ${cntr}"
-    docker build -t "ctng-${cntr}" "${cntr}"
+    docker build --no-cache -t "ctng-${cntr}" "${cntr}"
 }
 
 # Common backend for enter/test
@@ -56,19 +59,29 @@ _dckr()
         -v `pwd`/build-${cntr}:/home \
         -v $HOME/src:/src:ro \
         ctng-${cntr} \
-        /setup-scripts/su-as-user `id -un` `id -u` `id -gn` `id -g` "$@"
+        ${SETUPCMD:-/setup-scripts/su-as-user `id -un` `id -u` `id -gn` `id -g`} "$@"
 }
 
 # Run the test
-action_test()
+action_install()
 {
     local cntr=$1
 
     # The test assumes the top directory is bootstrapped, but clean.
     msg "Setting up crosstool-NG in ${cntr}"
     _dckr "${cntr}" /setup-scripts/ctng-install
-    msg "Running build-all in ${cntr}"
-    _dckr "${cntr}" /setup-scripts/ctng-test-all
+    _dckr "${cntr}" /setup-scripts/ctng-test-basic
+}
+
+# Run the test
+action_sample()
+{
+    local cntr=$1
+    shift
+
+    # The test assumes the top directory is bootstrapped, but clean.
+    msg "Building samples in ${cntr} [$@]"
+    _dckr "${cntr}" /setup-scripts/ctng-build-sample "$@"
 }
 
 # Enter the container using the same user account/environment as for testing.
@@ -80,6 +93,15 @@ action_enter()
     _dckr "${cntr}"
 }
 
+# Enter the container using the same user account/environment as for testing.
+action_root()
+{
+    local cntr=$1
+
+    msg "Entering ${cntr} as root"
+    SETUPCMD=/bin/bash _dckr "${cntr}"
+}
+
 # Clean up after test suite run
 action_clean()
 {
@@ -92,15 +114,18 @@ action_clean()
     fi
 }
 
-action=$1
-shift
 all_containers=`ls */Dockerfile | sed 's,/Dockerfile,,'`
-selected_containers="${*:-${all_containers}}"
+action=$1
+selected_containers=$2
+shift 2
+if [ "${selected_containers}" = "all" ]; then
+    selected_containers="${all_containers}"
+fi
 
 case "${action}" in
-    build|test|enter|clean)
+    build|install|sample|enter|root|clean)
         for c in ${selected_containers}; do
-            eval "action_${action} ${c}"
+            eval "action_${action} ${c} \"$@\""
         done
         ;;
     "")
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