| 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 |