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Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[mirror_ubuntu-bionic-kernel.git] / scripts / setlocalversion
1 #!/bin/sh
2 #
3 # This scripts adds local version information from the version
4 # control systems git, mercurial (hg) and subversion (svn).
5 #
6 # If something goes wrong, send a mail the kernel build mailinglist
7 # (see MAINTAINERS) and CC Nico Schottelius
8 # <nico-linuxsetlocalversion -at- schottelius.org>.
9 #
10 #
11
12 usage() {
13 echo "Usage: $0 [srctree]" >&2
14 exit 1
15 }
16
17 cd "${1:-.}" || usage
18
19 # Check for git and a git repo.
20 if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
21
22 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it,
23 # because this version is defined in the top level Makefile.
24 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
25
26 # If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"),
27 # we pretty print it.
28 if atag="`git describe 2>/dev/null`"; then
29 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
30
31 # If we don't have a tag at all we print -g{commitish}.
32 else
33 printf '%s%s' -g $head
34 fi
35 fi
36
37 # Is this git on svn?
38 if git config --get svn-remote.svn.url >/dev/null; then
39 printf -- '-svn%s' "`git svn find-rev $head`"
40 fi
41
42 # Update index only on r/w media
43 [ -w . ] && git update-index --refresh --unmerged > /dev/null
44
45 # Check for uncommitted changes
46 if git diff-index --name-only HEAD | grep -v "^scripts/package" \
47 | read dummy; then
48 printf '%s' -dirty
49 fi
50
51 # All done with git
52 exit
53 fi
54
55 # Check for mercurial and a mercurial repo.
56 if hgid=`hg id 2>/dev/null`; then
57 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
58
59 # Do we have an untagged version?
60 if [ -z "$tag" -o "$tag" = tip ]; then
61 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
62 printf '%s%s' -hg "$id"
63 fi
64
65 # Are there uncommitted changes?
66 # These are represented by + after the changeset id.
67 case "$hgid" in
68 *+|*+\ *) printf '%s' -dirty ;;
69 esac
70
71 # All done with mercurial
72 exit
73 fi
74
75 # Check for svn and a svn repo.
76 if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
77 rev=`echo $rev | awk '{print $NF}'`
78 printf -- '-svn%s' "$rev"
79
80 # All done with svn
81 exit
82 fi