From 627158845b55db76fbd612d5d54014c3825a159a Mon Sep 17 00:00:00 2001
From: Christian Marie <christian@ponies.io>
Date: Mon, 6 Jul 2015 17:05:45 +1000
Subject: [PATCH] Make bump-versions.sh work

This also makes it behave when called from from any directory.
---
 scripts/bump-versions.sh | 10 +++++++---
 scripts/lib/common.sh    |  3 ++-
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/scripts/bump-versions.sh b/scripts/bump-versions.sh
index f75a3d5e..e1e735f4 100755
--- a/scripts/bump-versions.sh
+++ b/scripts/bump-versions.sh
@@ -16,7 +16,8 @@
 set -o nounset
 set -o errexit
 
-. lib/common.sh
+DIR=$( dirname $( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ))
+. "${DIR}/scripts/lib/common.sh"
 
 usage () {
     echo " bump-versions.sh <POSITION> [-d|--dry-run]"
@@ -54,8 +55,11 @@ while [ "${1:-unset}" != "unset" ] ; do
 done
 
 if $DRY_RUN ; then
-   bumper --dry-run -"$POSITION" $(join , "${SOURCES[@]}")
+   echo "Would have bumped position ${POSITION} on these packages:"
+   ( cd "$ROOT" && bumper --dry-run -"$POSITION" $(join , "${SOURCES[@]}") )
 else
-   bumper -"$POSITION" $(join , "${SOURCES[@]}")
+   ( cd "$ROOT" && bumper -"$POSITION" $(join , "${SOURCES[@]}") )
 fi
 
+# Trailing newline, bumper does not ship with its own.
+echo
diff --git a/scripts/lib/common.sh b/scripts/lib/common.sh
index bbf3a25a..6cdb8fbe 100644
--- a/scripts/lib/common.sh
+++ b/scripts/lib/common.sh
@@ -11,6 +11,7 @@
 
 
 DIR=$( dirname $( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ))
+ROOT=$( dirname $DIR )
 DRY_RUN=false
 POSITION="none"
 SOURCES_TXT="$( dirname $DIR)/sources.txt"
@@ -23,7 +24,7 @@ readarray -t SOURCES < "$SOURCES_TXT"
 join () { local IFS="$1"; shift; echo "$*"; }
 
 versions_equal () {
-    local NUM=$(find . -name 'servant*.cabal' | xargs grep "^version:" | awk '{ print $2 }' | uniq -c | wc -l)
+    local NUM=$(cd "$ROOT" && find . -name 'servant*.cabal' | xargs grep "^version:" | awk '{ print $2 }' | uniq -c | wc -l)
     if [ 1 -eq $NUM ] ; then
         return 0
     else