V4L/DVB (9482): Documentation, especially regarding audio and informational links
[linux-2.6] / scripts / setlocalversion
1 #!/bin/sh
2 # Print additional version information for non-release trees.
3
4 usage() {
5         echo "Usage: $0 [srctree]" >&2
6         exit 1
7 }
8
9 cd "${1:-.}" || usage
10
11 # Check for git and a git repo.
12 if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
13         # Do we have an untagged version?
14         if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
15                 if tag=`git describe 2>/dev/null`; then
16                         echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
17                 else
18                         printf '%s%s' -g $head
19                 fi
20         fi
21
22         # Are there uncommitted changes?
23         git update-index --refresh --unmerged > /dev/null
24         if git diff-index --name-only HEAD | grep -v "^scripts/package" \
25             | read dummy; then
26                 printf '%s' -dirty
27         fi
28
29         # All done with git
30         exit
31 fi
32
33 # Check for mercurial and a mercurial repo.
34 if hgid=`hg id 2>/dev/null`; then
35         tag=`printf '%s' "$hgid" | cut -d' ' -f2`
36
37         # Do we have an untagged version?
38         if [ -z "$tag" -o "$tag" = tip ]; then
39                 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
40                 printf '%s%s' -hg "$id"
41         fi
42
43         # Are there uncommitted changes?
44         # These are represented by + after the changeset id.
45         case "$hgid" in
46                 *+|*+\ *) printf '%s' -dirty ;;
47         esac
48
49         # All done with mercurial
50         exit
51 fi
52
53 # Check for svn and a svn repo.
54 if rev=`svn info 2>/dev/null | grep '^Revision'`; then
55         rev=`echo $rev | awk '{print $NF}'`
56         changes=`svn status 2>/dev/null | grep '^[AMD]' | wc -l`
57
58         # Are there uncommitted changes?
59         if [ $changes != 0 ]; then
60                 printf -- '-svn%s%s' "$rev" -dirty
61         else
62                 printf -- '-svn%s' "$rev"
63         fi
64
65         # All done with svn
66         exit
67 fi