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-rwxr-xr-xsupport/scripts/setlocalversion40
1 files changed, 25 insertions, 15 deletions
diff --git a/support/scripts/setlocalversion b/support/scripts/setlocalversion
index a6edd7194c..adeeb781e7 100755
--- a/support/scripts/setlocalversion
+++ b/support/scripts/setlocalversion
@@ -1,5 +1,13 @@
#!/bin/sh
-# Print additional version information for non-release trees.
+#
+# This scripts adds local version information from the version
+# control systems git, mercurial (hg) and subversion (svn).
+#
+# If something goes wrong, send a mail the kernel build mailinglist
+# (see MAINTAINERS) and CC Nico Schottelius
+# <nico-linuxsetlocalversion -at- schottelius.org>.
+#
+#
usage() {
echo "Usage: $0 [srctree]" >&2
@@ -10,10 +18,17 @@ cd "${1:-.}" || usage
# Check for git and a git repo.
if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
- # Do we have an untagged version?
- if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
- if tag=`git describe 2>/dev/null`; then
- echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+
+ # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it,
+ # because this version is defined in the top level Makefile.
+ if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
+
+ # If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"),
+ # we pretty print it.
+ if atag="`git describe 2>/dev/null`"; then
+ echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+
+ # If we don't have a tag at all we print -g{commitish}.
else
printf '%s%s' -g $head
fi
@@ -24,8 +39,10 @@ if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
printf -- '-svn%s' "`git svn find-rev $head`"
fi
- # Are there uncommitted changes?
- git update-index --refresh --unmerged > /dev/null
+ # Update index only on r/w media
+ [ -w . ] && git update-index --refresh --unmerged > /dev/null
+
+ # Check for uncommitted changes
if git diff-index --name-only HEAD | grep -v "^scripts/package" \
| read dummy; then
printf '%s' -dirty
@@ -58,14 +75,7 @@ fi
# Check for svn and a svn repo.
if rev=`LC_ALL=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then
rev=`echo $rev | awk '{print $NF}'`
- changes=`LC_ALL=C svn status 2>/dev/null | grep '^[AMD]' | wc -l`
-
- # Are there uncommitted changes?
- if [ $changes != 0 ]; then
- printf -- '-svn%s%s' "$rev" -dirty
- else
- printf -- '-svn%s' "$rev"
- fi
+ printf -- '-svn%s' "$rev"
# All done with svn
exit