| #!/bin/sh |
| # |
| # 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 [--save-scmversion] [srctree]" >&2 |
| exit 1 |
| } |
| |
| scm_only=false |
| srctree=. |
| if test "$1" = "--save-scmversion"; then |
| scm_only=true |
| shift |
| fi |
| if test $# -gt 0; then |
| srctree=$1 |
| shift |
| fi |
| if test $# -gt 0 -o ! -d "$srctree"; then |
| usage |
| fi |
| |
| scm_version() |
| { |
| local short |
| short=false |
| |
| cd "$srctree" |
| if test -e .scmversion; then |
| cat .scmversion |
| return |
| fi |
| if test "$1" = "--short"; then |
| short=true |
| fi |
| |
| # Check for git and a git repo. |
| if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then |
| |
| # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore |
| # it, because this version is defined in the top level Makefile. |
| if atag="`git describe --exact-match --abbrev=0 2>/dev/null`"; then |
| # Make sure we're at the tag that matches the Makefile. |
| # If not place the hash of the tag as well for |
| # v2.6.30-rc5-g314aef |
| if [ "x$atag" != "x$VERSION" ]; then |
| # If only the short version is requested, |
| # don't bother running further git commands |
| if $short; then |
| echo "+" |
| return |
| fi |
| printf '%s%s' -g "`git show-ref -s --abbrev --tags $atag 2>/dev/null`" |
| fi |
| else |
| |
| # If only the short version is requested, don't bother |
| # running further git commands |
| if $short; then |
| echo "+" |
| return |
| fi |
| # If we are past a tagged commit (like |
| # "v2.6.30-rc5-302-g72357d5"), we pretty print it and |
| # include the hash of any new tag on top. |
| if atag="`git describe 2>/dev/null`"; then |
| tag="`git describe --abbrev=0 2>/dev/null`" |
| commit="`echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'`" |
| printf '%s%s%s' -g "`git show-ref -s --abbrev --tags $tag 2>/dev/null`" $commit |
| # If we don't have a tag at all we print -g{commitish}. |
| else |
| printf '%s%s' -g $head |
| fi |
| fi |
| |
| # Is this git on svn? |
| if git config --get svn-remote.svn.url >/dev/null; then |
| printf -- '-svn%s' "`git svn find-rev $head`" |
| fi |
| |
| # Update index only on r/w media |
| [ -w . ] && git update-index --refresh --unmerged > /dev/null |
| |
| # Check for uncommitted changes |
| if git diff-index --name-only HEAD | grep -v "^scripts/package" \ |
| | read dummy; then |
| printf '%s' -dirty |
| fi |
| |
| # All done with git |
| return |
| fi |
| |
| # Check for mercurial and a mercurial repo. |
| if test -d .hg && hgid=`hg id 2>/dev/null`; then |
| # Do we have an tagged version? If so, latesttagdistance == 1 |
| if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then |
| id=`hg log -r . --template '{latesttag}'` |
| printf '%s%s' -hg "$id" |
| else |
| tag=`printf '%s' "$hgid" | cut -d' ' -f2` |
| if [ -z "$tag" -o "$tag" = tip ]; then |
| id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` |
| printf '%s%s' -hg "$id" |
| fi |
| fi |
| |
| # Are there uncommitted changes? |
| # These are represented by + after the changeset id. |
| case "$hgid" in |
| *+|*+\ *) printf '%s' -dirty ;; |
| esac |
| |
| # All done with mercurial |
| return |
| fi |
| |
| # Check for svn and a svn repo. |
| if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then |
| rev=`echo $rev | awk '{print $NF}'` |
| printf -- '-svn%s' "$rev" |
| |
| # All done with svn |
| return |
| fi |
| } |
| |
| collect_files() |
| { |
| local file res |
| |
| for file; do |
| case "$file" in |
| *\~*) |
| continue |
| ;; |
| esac |
| if test -e "$file"; then |
| res="$res$(cat "$file")" |
| fi |
| done |
| echo "$res" |
| } |
| |
| if $scm_only; then |
| if test ! -e .scmversion; then |
| res=$(scm_version) |
| echo "$res" >.scmversion |
| fi |
| exit |
| fi |
| |
| if test -e include/config/auto.conf; then |
| . include/config/auto.conf |
| else |
| echo "Error: kernelrelease not valid - run 'make prepare' to update it" |
| exit 1 |
| fi |
| |
| # localversion* files in the build and source directory |
| res="$(collect_files localversion*)" |
| if test ! "$srctree" -ef .; then |
| res="$res$(collect_files "$srctree"/localversion*)" |
| fi |
| |
| # CONFIG_LOCALVERSION and LOCALVERSION (if set) |
| res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" |
| |
| # scm version string if not at a tagged commit |
| if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then |
| # full scm version string |
| res="$res$(scm_version)" |
| else |
| # append a plus sign if the repository is not in a clean |
| # annotated or signed tagged state (as git describe only |
| # looks at signed or annotated tags - git tag -a/-s) and |
| # LOCALVERSION= is not specified |
| if test "${LOCALVERSION+set}" != "set"; then |
| scm=$(scm_version --short) |
| res="$res${scm:++}" |
| fi |
| fi |
| |
| echo "$res" |