feat(scripts): bash scripts

Bash scripts for running processes

scripts/run_or_fail.sh

@@ -0,0 +1,10 @@
+# helper method for providing error messages for a command
+run_or_fail() {
+  local explanation=$1
+  shift 1
+  "$@"
+  if [ $? != 0 ]; then
+    echo $explanation 1>&2
+    exit 1
+  fi
+}

scripts/test_runner.sh

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+#!/bin/bash
+REPO=$1
+COMMIT=$2
+
+source ./scripts/run_or_fail.sh
+
+run_or_fail "Repository folder not found" pushd "$REPO" 1> /dev/null
+run_or_fail "Could not clean repository" git clean -d -f -x
+run_or_fail "Could not call git pull" git pull
+run_or_fail "Could not update to given commit hash" git reset --hard "$COMMIT"

scripts/update_repo.sh

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+#!/bin/bash
+
+source ./scripts/run_or_fail.sh
+
+# delete previous id 
+rm -f files/.commit_id
+
+# go to repo and update it to given commit
+run_or_fail "Repository folder not found!" pushd $1 1> /dev/null
+run_or_fail "Could not reset git" git reset --hard HEAD
+
+# get the most recent commit
+COMMIT=$(run_or_fail "Could not call 'git log' on repository" git log -n1)
+if [ $? != 0 ]; then
+  echo "Could not call 'git log' on repository"
+  exit 1
+fi
+# get its id
+COMMIT_ID=`echo $COMMIT | awk '{ print $2 }'`
+
+# update the repo
+run_or_fail "Could not pull from repository" git pull
+
+# get the most recent commit
+COMMIT=$(run_or_fail "Could not call 'git log' on repository" git log -n1)
+if [ $? != 0 ]; then
+  echo "Could not call 'git log' on repository"
+  exit 1
+fi
+# get its id
+NEW_COMMIT_ID=`echo $COMMIT | awk '{ print $2 }'`
+
+# if the id changed, then write it to a file
+if [ $NEW_COMMIT_ID != $COMMIT_ID ]; then
+  popd 1> /dev/null
+  echo $NEW_COMMIT_ID > .commit_id
+fi