diff options
Diffstat (limited to 'scripts/setlocalversion')
| -rwxr-xr-x | scripts/setlocalversion | 223 |
1 files changed, 113 insertions, 110 deletions
diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 365b3c2b8f43..38b96c6797f4 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -2,7 +2,7 @@ # SPDX-License-Identifier: GPL-2.0 # # This scripts adds local version information from the version -# control systems git, mercurial (hg) and subversion (svn). +# control system git. # # If something goes wrong, send a mail the kernel build mailinglist # (see MAINTAINERS) and CC Nico Schottelius @@ -11,16 +11,17 @@ # usage() { - echo "Usage: $0 [--save-scmversion] [srctree]" >&2 + echo "Usage: $0 [--no-local] [srctree]" >&2 exit 1 } -scm_only=false -srctree=. -if test "$1" = "--save-scmversion"; then - scm_only=true +no_local=false +if test "$1" = "--no-local"; then + no_local=true shift fi + +srctree=. if test $# -gt 0; then srctree=$1 shift @@ -31,102 +32,104 @@ fi scm_version() { - local short - short=false + local short=false + local no_dirty=false + local tag + + while [ $# -gt 0 ]; + do + case "$1" in + --short) + short=true;; + --no-dirty) + no_dirty=true;; + esac + shift + done cd "$srctree" - if test -e .scmversion; then - cat .scmversion + + if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then return fi - if test "$1" = "--short"; then - short=true - fi - # Check for git and a git repo. - if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && - 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 [ -z "`git describe --exact-match 2>/dev/null`" ]; then - - # If only the short version is requested, don't bother - # running further git commands - if $short; then - echo "+" - return - fi - # If we are past a tagged commit (like - # "v2.6.30-rc5-302-g72357d5"), we pretty print it. - if atag="`git describe 2>/dev/null`"; then - echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' - - # If we don't have a tag at all we print -g{commitish}. - else - printf '%s%s' -g $head - fi - fi + if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then + return + fi - # Is this git on svn? - if git config --get svn-remote.svn.url >/dev/null; then - printf -- '-svn%s' "`git svn find-rev $head`" - fi + # mainline kernel: 6.2.0-rc5 -> v6.2-rc5 + # stable kernel: 6.1.7 -> v6.1.7 + version_tag=v$(echo "${KERNELVERSION}" | sed -E 's/^([0-9]+\.[0-9]+)\.0(.*)$/\1\2/') + + # If a localversion* file exists, and the corresponding + # annotated tag exists and is an ancestor of HEAD, use + # it. This is the case in linux-next. + tag=${file_localversion#-} + desc= + if [ -n "${tag}" ]; then + desc=$(git describe --match=$tag 2>/dev/null) + fi - # Check for uncommitted changes. - # First, with git-status, but --no-optional-locks is only - # supported in git >= 2.14, so fall back to git-diff-index if - # it fails. Note that git-diff-index does not refresh the - # index, so it may give misleading results. See - # git-update-index(1), git-diff-index(1), and git-status(1). - if { - git --no-optional-locks status -uno --porcelain 2>/dev/null || - git diff-index --name-only HEAD - } | grep -qvE '^(.. )?scripts/package'; then - printf '%s' -dirty - fi + # Otherwise, if a localversion* file exists, and the tag + # obtained by appending it to the tag derived from + # KERNELVERSION exists and is an ancestor of HEAD, use + # it. This is e.g. the case in linux-rt. + if [ -z "${desc}" ] && [ -n "${file_localversion}" ]; then + tag="${version_tag}${file_localversion}" + desc=$(git describe --match=$tag 2>/dev/null) + fi - # All done with git - return + # Otherwise, default to the annotated tag derived from KERNELVERSION. + if [ -z "${desc}" ]; then + tag="${version_tag}" + desc=$(git describe --match=$tag 2>/dev/null) 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 + # If we are at the tagged commit, we ignore it because the version is + # well-defined. + if [ "${tag}" != "${desc}" ]; then + + # If only the short version is requested, don't bother + # running further git commands + if $short; then + echo "+" + return + fi + # If we are past the tagged commit, we pretty print it. + # (like 6.1.0-14595-g292a089d78d3) + if [ -n "${desc}" ]; then + echo "${desc}" | awk -F- '{printf("-%05d", $(NF-1))}' fi - # Are there uncommitted changes? - # These are represented by + after the changeset id. - case "$hgid" in - *+|*+\ *) printf '%s' -dirty ;; - esac + # Add -g and exactly 12 hex chars. + printf '%s%s' -g "$(echo $head | cut -c1-12)" + fi - # All done with mercurial + if ${no_dirty}; then return fi - # Check for svn and a svn repo. - if rev=`LANG= LC_ALL= LC_MESSAGES=C 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 + # Check for uncommitted changes. + # This script must avoid any write attempt to the source tree, which + # might be read-only. + # You cannot use 'git describe --dirty' because it tries to create + # .git/index.lock . + # First, with git-status, but --no-optional-locks is only supported in + # git >= 2.14, so fall back to git-diff-index if it fails. Note that + # git-diff-index does not refresh the index, so it may give misleading + # results. + # See git-update-index(1), git-diff-index(1), and git-status(1). + if { + git --no-optional-locks status -uno --porcelain 2>/dev/null || + git diff-index --name-only HEAD + } | read dummy; then + printf '%s' -dirty fi } collect_files() { - local file res + local file res= for file; do case "$file" in @@ -141,43 +144,43 @@ collect_files() echo "$res" } -if $scm_only; then - if test ! -e .scmversion; then - res=$(scm_version) - echo "$res" >.scmversion - fi - exit -fi - -if test -e include/config/auto.conf; then - . include/config/auto.conf -else - echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 +if [ -z "${KERNELVERSION}" ]; then + echo "KERNELVERSION is not set" >&2 exit 1 fi # localversion* files in the build and source directory -res="$(collect_files localversion*)" +file_localversion="$(collect_files localversion*)" if test ! "$srctree" -ef .; then - res="$res$(collect_files "$srctree"/localversion*)" + file_localversion="${file_localversion}$(collect_files "$srctree"/localversion*)" +fi + +if ${no_local}; then + echo "${KERNELVERSION}$(scm_version --no-dirty)" + exit 0 +fi + +if ! test -e include/config/auto.conf; then + echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 + exit 1 fi -# CONFIG_LOCALVERSION and LOCALVERSION (if set) -res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" +# version string from CONFIG_LOCALVERSION +config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf) -# scm version string if not at a tagged commit -if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then +# scm version string if not at the kernel version tag or at the file_localversion +if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then # full scm version string - res="$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${scm:++}" - fi + scm_version="$(scm_version)" +elif [ "${LOCALVERSION+set}" != "set" ]; then + # If the variable LOCALVERSION is not set, append a plus + # sign if the repository is not in a clean annotated or + # signed tagged state (as git describe only looks at signed + # or annotated tags - git tag -a/-s). + # + # If the variable LOCALVERSION is set (including being set + # to an empty string), we don't want to append a plus sign. + scm_version="$(scm_version --short)" fi -echo "$res" +echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}" |