str7x: Fix byte order bug
[openocd.git] / guess-rev.sh
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 # Copied from Linux 2.6.32 scripts/setlocalversion and modified
7 # slightly to work better for OpenOCD.
8 #
9
10 usage() {
11 echo "Usage: $0 [srctree]" >&2
12 exit 1
13 }
14
15 cd "${1:-.}" || usage
16
17 # Check for git and a git repo.
18 if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
19
20 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it,
21 # because this version is defined in the top level Makefile.
22 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
23
24 # If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"),
25 # we pretty print it.
26 if atag="`git describe 2>/dev/null`"; then
27 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
28
29 # If we don't have a tag at all we print -g{commitish}.
30 else
31 printf '%s%s' -g $head
32 fi
33 fi
34
35 # Is this git on svn?
36 if git config --get svn-remote.svn.url >/dev/null; then
37 printf -- '-svn%s' "`git svn find-rev $head`"
38 fi
39
40 # Update index only on r/w media
41 [ -w . ] && git update-index --refresh --unmerged > /dev/null
42
43 # Check for uncommitted changes
44 if git diff-index --name-only HEAD | grep -v "^scripts/package" \
45 | read dummy; then
46 printf '%s' -dirty
47 fi
48
49 # All done with git
50 exit
51 fi
52
53 # Check for mercurial and a mercurial repo.
54 if hgid=`hg id 2>/dev/null`; then
55 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
56
57 # Do we have an untagged version?
58 if [ -z "$tag" -o "$tag" = tip ]; then
59 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
60 printf '%s%s' -hg "$id"
61 fi
62
63 # Are there uncommitted changes?
64 # These are represented by + after the changeset id.
65 case "$hgid" in
66 *+|*+\ *) printf '%s' -dirty ;;
67 esac
68
69 # All done with mercurial
70 exit
71 fi
72
73 # Check for svn and a svn repo.
74 if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
75 rev=`echo $rev | awk '{print $NF}'`
76 printf -- '-svn%s' "$rev"
77
78 # All done with svn
79 exit
80 fi
81
82 # There's no reecognized repository; we must be a snapshot.
83 printf -- '-snapshot'