btrfs-progs: prop: also allow "none" to disable compression

[platform/upstream/btrfs-progs.git] / version.sh

diff --git a/version.sh b/version.sh
old mode 100644 (file)
new mode 100755 (executable)
index fd9b53d..884c9e2
--- a/version.sh
+++ b/version.sh
@@ -5,39 +5,33 @@
 # Copyright 2008, Aron Griffis <agriffis@n01se.net>
 # Copyright 2008, Oracle
 # Released under the GNU GPLv2
- 
-v="Btrfs v0.15"
 
-which hg > /dev/null
-if [ $? == 0 ]; then
-       last=$(hg tags | grep -m1 -o '^v[0-9.]\+')
-        
-       # now check if the repo has commits since then...
-       if [[ $(hg id -t) == $last || \
-           $(hg di -r "$last:." | awk '/^diff/{print $NF}' | sort -u) == .hgtags ]]
-       then
-           # check if it's dirty
-           if [[ $(hg id | cut -d' ' -f1) == *+ ]]; then
-               v=$last+
-           else
-               v=$last
-           fi
-       else
-           # includes dirty flag
-           v=$last+$(hg id -i)
-       fi
-fi
- 
-echo "#ifndef __BUILD_VERSION" > .build-version.h
-echo "#define __BUILD_VERSION" >> .build-version.h
-echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h
-echo "#endif" >> .build-version.h
+v="v4.13.3"
+
+opt=$1
 
-diff -q version.h .build-version.h >& /dev/null
+which git &> /dev/null
+if [ $? == 0 -a -d .git ]; then
+    if head=`git rev-parse --verify HEAD 2>/dev/null`; then
+        if tag=`git describe --tags 2>/dev/null`; then
+            v="$tag"
+        fi
 
-if [ $? == 0 ]; then
-    rm .build-version.h
-    exit 0
+        # Are there uncommitted changes?
+        git update-index --refresh --unmerged > /dev/null
+        if git diff-index --name-only HEAD | grep -v "^scripts/package" \
+            | read dummy; then
+            v="$v"-dirty
+        fi
+    fi
 fi
 
-mv .build-version.h version.h
+if [ "$opt" = "--configure" ]; then
+       # Omit the trailing newline, so that m4_esyscmd can use the result directly.
+       echo -n "$v"
+else
+       echo "$v"
+fi
+
+exit 0
+