From 24b5a6bdda8f09593dd908c3fc69315ebb3754e1 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 22 Dec 2017 11:40:43 +0100
Subject: Add version information and --version

---
 .gitignore  |  3 +++
 Makefile    | 13 +++++++------
 gen-version | 40 ++++++++++++++++++++++++++++++++++++++++
 ldadp.c     |  7 +++++++
 version.in  | 13 +++++++++++++
 5 files changed, 70 insertions(+), 6 deletions(-)
 create mode 100755 gen-version
 create mode 100644 version.in

diff --git a/.gitignore b/.gitignore
index a7b0622..1647974 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@ config.test
 *.o
 *.a
 /ldadp
+/version.in.h
+/.localversion
+
diff --git a/Makefile b/Makefile
index 4af6135..3c835aa 100644
--- a/Makefile
+++ b/Makefile
@@ -41,16 +41,17 @@ LIBS+=-g -lowfat -lssl -lcrypto
 %: %.c
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) ${LIBS}
 
-ldadp: tmpbuffer.o ini.o client.o server.o helper.o proxy.o epoll.o openssl.o ldap.a asn1.a
+ldadp: version.in.h tmpbuffer.o ini.o client.o server.o helper.o proxy.o epoll.o openssl.o ldap.a asn1.a
+
+version.in.h:
+	./gen-version
 
 qndtest: ldap.a asn1.a
 
-.PHONY: clean tar
-clean:
-	rm -f *.[ao] ldadp qndtest
+.PHONY: clean version.in.h
 
-tar: clean
-	cd ..; tar cvvf ldadp.tar.bz2 ldadp --use=bzip2 --exclude capture --exclude .git
+clean:
+	rm -f -- *.[ao] ldadp qndtest version.in.h
 
 bindrequest.o: bindrequest.c ldap.h
 
diff --git a/gen-version b/gen-version
new file mode 100755
index 0000000..eccc47c
--- /dev/null
+++ b/gen-version
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+export LANG=C
+
+# Always create version string for repository this script lies in,
+# not the cwd... Makes usage easier in cmake/out of source builds
+ARG0="$0"
+SELF="$(readlink -f "${ARG0}")"
+if [ -n "$SELF" ]; then
+	ROOT_DIR="$(dirname "${SELF}")"
+	cd "$ROOT_DIR"
+fi
+
+MODDED=
+[ -n "$(git diff)" ] && MODDED='+LOCALMOD'
+
+VERSION=$(git describe || git rev-parse --short HEAD)
+
+BUILDTIME=$(date -R)
+
+COMMIT=$(git rev-parse HEAD)
+
+COMMITTIME=$(git log -1 --date=short --pretty=format:%cD)
+
+if [ -s ".localversion" ]; then
+	. .localversion
+fi
+
+VERSION="$VERSION$MODDED"
+
+# replace
+ssed() {
+	local fnd rep
+	fnd="%${1}%"
+	eval rep='"'\$$1'"'
+	sed "s/$fnd/$(echo "$rep" | sed 's,\\,\\\\,g;s,/,\\/,g')/g"
+}
+
+< "version.in" ssed "VERSION" | ssed "BUILDTIME" | ssed "COMMIT" | ssed "COMMITTIME" > "version.in.h"
+
diff --git a/ldadp.c b/ldadp.c
index bd9d6e0..bc5cdf9 100644
--- a/ldadp.c
+++ b/ldadp.c
@@ -12,6 +12,7 @@
 #include "helper.h"
 #include "openssl.h"
 #include "helper.h"
+#include "version.in.h"
 #include <stdio.h>
 #include <socket.h>
 #include <io.h>
@@ -29,6 +30,12 @@ static char *certFile = NULL, *keyFile = NULL;
 int main(int argc, char **argv)
 {
 	BOOL isdaemon = TRUE;
+	printf("Starting up ldadp %s\n", LDADP_VERSION);
+	printf("Commit:      %s\n", LDADP_COMMIT);
+	printf("Commit time: %s\n", LDADP_COMMITTIME);
+	printf("Build time:  %s\n", LDADP_BUILDTIME);
+	if (argc > 1 && strcmp(argv[1], "--version") == 0)
+		exit(0);
 	if (argc < 2) {
 		printf("Nö\n");
 		exit(1);
diff --git a/version.in b/version.in
new file mode 100644
index 0000000..88f2458
--- /dev/null
+++ b/version.in
@@ -0,0 +1,13 @@
+#ifndef _VERSION_IN_
+#define _VERSION_IN_
+
+#define LDADP_VERSION "%VERSION%"
+
+#define LDADP_COMMIT "%COMMIT%"
+
+#define LDADP_COMMITTIME "%COMMITTIME%"
+
+#define LDADP_BUILDTIME "%BUILDTIME%"
+
+#endif
+
-- 
cgit v1.2.3-55-g7522