1 files changed, 64 insertions, 0 deletions
diff --git a/pigeonhole/update-version.sh b/pigeonhole/update-version.sh
new file mode 100644
index 0000000..ec47deb
--- /dev/null
+++ b/pigeonhole/update-version.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+SRCDIR="${1:-`pwd`}"
+BUILDDIR="${2:-`pwd`}"
+VERSION_H="pigeonhole-version.h"
+VERSION_HT="pigeonhole-version.h.tmp"
+
+abspath()
+{ #$1 the path
+  #$2 1 -> SRCDIR || 2 -> BUILDDIR
+	old=`pwd`
+	cd "${1}"
+	if [ ${2} -eq 1 ]; then
+		SRCDIR=`pwd`
+	else
+		BUILDDIR=`pwd`
+	fi
+	cd "$old"
+}
+
+abspath "${SRCDIR}" 1
+abspath "${BUILDDIR}" 2
+
+# when using a different BUILDDIR just copy from SRCDIR, if there is no .git
+if [ "${BUILDDIR}" != "${SRCDIR}" ]; then
+	if [ ! -d "${SRCDIR}/.git" ]  && [ -f "${SRCDIR}/${VERSION_H}" ]; then
+		cmp -s "${SRCDIR}/${VERSION_H}" "${BUILDDIR}/${VERSION_H}"
+		if [ $? -ne 0 ]; then
+			cp "${SRCDIR}/${VERSION_H}" "${BUILDDIR}/${VERSION_H}"
+			exit 0
+		fi
+	fi
+fi
+
+# Don't generate dovecot-version.h if the source tree has no .git dir but
+# a dovecot-version.h. This may be the result of a release/nightly tarball.
+[ ! -d "${SRCDIR}/.git" ] && [ -f "${BUILDDIR}/${VERSION_H}" ] && exit 0
+
+# Lets generate the dovecot-version.h
+[ -f "${BUILDDIR}/${VERSION_HT}" ] && rm -f "${BUILDDIR}/${VERSION_HT}"
+if true; then
+	GITID=`git --git-dir ${SRCDIR}/.git rev-parse --short HEAD`
+	cat > "${BUILDDIR}/${VERSION_HT}" <<EOF
+#ifndef PIGEONHOLE_VERSION_H
+#define PIGEONHOLE_VERSION_H
+
+#define PIGEONHOLE_VERSION_FULL PIGEONHOLE_VERSION" (${GITID})"
+
+#endif /* PIGEONHOLE_VERSION_H */
+EOF
+else
+	cat > "${BUILDDIR}/${VERSION_HT}" <<EOF
+#ifndef PIGEONHOLE_VERSION_H
+#define PIGEONHOLE_VERSION_H
+
+#define PIGEONHOLE_VERSION_FULL PIGEONHOLE_VERSION
+
+#endif /* PIGEONHOLE_VERSION_H */
+EOF
+fi
+
+cmp -s "${BUILDDIR}/${VERSION_H}" "${BUILDDIR}/${VERSION_HT}" && \
+	rm -f "${BUILDDIR}/${VERSION_HT}" || \
+	mv -f "${BUILDDIR}/${VERSION_HT}" "${BUILDDIR}/${VERSION_H}"