1 files changed, 67 insertions, 0 deletions
diff --git a/scripts/repo-info.sh b/scripts/repo-info.sh
new file mode 100755
index 000000000..72d974d04
--- /dev/null
+++ b/scripts/repo-info.sh
@@ -0,0 +1,67 @@
+#! /bin/bash
+#
+# Retrieves git repository info for directory ${1} using command ${2}
+
+# Args
+REPO_DIR='.'
+if [[ ${1} ]]; then
+    REPO_DIR=${1}
+fi
+GIT_EXE='git'
+if [[ ${2} ]]; then
+    GIT_EXE=${2}
+fi
+
+# Switch to working directory
+if ! cd ${REPO_DIR} 2>/dev/null; then
+    echo "Invalid directory ${REPO_DIR}." 1>&2
+    exit 1
+fi
+
+# Check whether we have git
+if ! hash ${GIT_EXE} 2>/dev/null; then
+    echo "Command '${GIT_EXE}' not found." 1>&2
+    exit 1
+fi
+
+# Check if there is a valid git repo here
+HASH=$(${GIT_EXE} rev-parse HEAD)
+ERR=$?
+if [[ ${ERR} -ne 0 ]]; then
+    echo "Not a valid repository." 1>&2
+    exit ${ERR}
+elif [[ -z ${HASH} ]]; then
+    echo "Not a valid repository." 1>&2
+    exit 1
+fi
+
+# Retrieve info
+URL=$(${GIT_EXE} config remote.origin.url)
+TAG=$(${GIT_EXE} describe --abbrev=0)
+if [[ ${TAG} ]]; then
+    REV=$(${GIT_EXE} rev-list ${TAG}.. --count)
+else
+    TAG=$(${GIT_EXE} describe $(${GIT_EXE} rev-list --tags --max-count=1))
+    if [[ ${TAG} ]]; then
+        REV=$(${GIT_EXE} rev-list $(${GIT_EXE} merge-base 0.10.2 HEAD).. --count)
+    else
+        REV=$(${GIT_EXE} rev-list HEAD --count)
+    fi
+fi
+BRANCH=$(${GIT_EXE} symbolic-ref -q --short HEAD)
+REMOTE="${URL}"
+UPSTREAM=$(${GIT_EXE} config branch.${BRANCH}.remote)
+if [[ ${UPSTREAM} ]]; then
+    REMOTE="${UPSTREAM}"
+fi
+DATE=$(${GIT_EXE} log -1 --format="format:%ai")
+
+# Output
+# Only write tag and rev if they exist. A fresh clone currently has no tags.
+echo "URL=${URL}"
+echo "HASH=${HASH}"
+if [[ ${TAG} ]]; then echo "TAG=${TAG}"; fi
+if [[ ${REV} ]]; then echo "REV=${REV}"; fi
+echo "BRANCH=${BRANCH}"
+echo "REMOTE=${REMOTE}"
+echo "DATE=${DATE}"