From 6a3ed76da41dc5d96240b29f4fb837487020da8b Mon Sep 17 00:00:00 2001
From: Stackage Build host <michael+stackage-build@fpcomplete.com>
Date: Sun, 24 Apr 2016 16:23:25 +0000
Subject: [PATCH] Initial check-cabal.sh

---
 automated/check-cabal.sh | 72 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100755 automated/check-cabal.sh

diff --git a/automated/check-cabal.sh b/automated/check-cabal.sh
new file mode 100755
index 00000000..c920f98a
--- /dev/null
+++ b/automated/check-cabal.sh
@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+# This script is intended for testing Cabal HEAD against a Stackage snapshot.
+
+set -eux
+
+ROOT=$(cd $(dirname $0) ; pwd)
+TARGET=$1
+
+# For nightly-YYYY-MM-DD, tag should be nightly
+# For lts-X.Y, tag should be ltsX
+SHORTNAME=$(echo $TARGET | cut -d- -f 1)
+if [ $SHORTNAME = "lts" ]
+then
+    TAG=$(echo $TARGET | sed 's@^lts-\([0-9]*\)\.[0-9]*@lts\1@')
+    PLAN_URL=https://raw.githubusercontent.com/fpco/lts-haskell/master/$TARGET.yaml
+else
+    TAG=$SHORTNAME
+    PLAN_URL=https://raw.githubusercontent.com/fpco/stackage-nightly/master/$TARGET.yaml
+fi
+
+IMAGE=snoyberg/stackage:$TAG
+
+PLAN_FILE=$TARGET-plan.yaml
+DOCMAP_FILE=$TARGET-docmap.yaml
+BUNDLE_FILE=$TARGET.bundle=
+
+CABAL_DIR=$ROOT/cabal
+STACK_DIR=$ROOT/stack
+GHC_DIR=$ROOT/ghc
+DOT_STACKAGE_DIR=$ROOT/dot-stackage
+WORKDIR=$ROOT/$TAG/work
+EXTRA_BIN_DIR=$ROOT/extra-bin
+
+mkdir -p \
+	"$CABAL_DIR" \
+	"$STACK_DIR" \
+	"$GHC_DIR" \
+	"$DOT_STACKAGE_DIR" \
+	"$WORKDIR" \
+	"$EXTRA_BIN_DIR"
+
+curl "$PLAN_URL" > $WORKDIR/$PLAN_FILE
+
+mkdir -p $ROOT/bin
+BINDIR=$(cd $ROOT/bin ; pwd)
+(
+cd $BINDIR
+rm -f stackage-curator stackage-curator.bz2
+wget https://s3.amazonaws.com/stackage-travis/stackage-curator/stackage-curator.bz2
+bunzip2 stackage-curator.bz2
+chmod +x stackage-curator
+)
+
+ARGS_COMMON="--rm -v $WORKDIR:/home/stackage/work -w /home/stackage/work -v $BINDIR/stackage-curator:/usr/bin/stackage-curator:ro -v /etc/passwd:/etc/passwd:ro -v /etc/group:/etc/group:ro -v $EXTRA_BIN_DIR:/home/stackage/bin:ro"
+ARGS_PREBUILD="$ARGS_COMMON -u $USER -v $CABAL_DIR:/home/stackage/.cabal -v $STACK_DIR:/home/stackage/.stack -v $GHC_DIR:/home/stackage/.ghc -v $DOT_STACKAGE_DIR:/home/stackage/.stackage"
+ARGS_BUILD="$ARGS_COMMON -v $CABAL_DIR:/home/stackage/.cabal:ro -v $STACK_DIR:/home/stackage/.stack:ro -v $GHC_DIR:/home/stackage/.ghc:ro"
+
+# Get latest stack
+curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C $EXTRA_BIN_DIR '*/stack'
+
+# Do all of the pre-build actions:
+#
+# * Update the package index
+# * Fetch all needed tarballs (the build step does not have write access to the tarball directory)
+# * Do a single unpack to create the package index cache (again due to directory perms)
+docker run $ARGS_PREBUILD $IMAGE /bin/bash -c "/home/stackage/bin/stack update && stackage-curator fetch --plan-file $PLAN_FILE && cd /tmp && /home/stackage/bin/stack unpack random"
+
+# Now do the actual build. We need to first set the owner of the home directory
+# correctly, so we run the command as root, change owner, and then use sudo to
+# switch back to the current user
+docker run $ARGS_BUILD $IMAGE /bin/bash -c "chown $USER /home/stackage && sudo -E -u $USER env \"PATH=\$PATH:/home/stackage/bin\" stackage-curator make-bundle --plan-file $PLAN_FILE --docmap-file $DOCMAP_FILE --bundle-file $BUNDLE_FILE --target $TARGET --cabal-from-head"