diff options
-rwxr-xr-x | scripts/setlocalversion | 79 |
1 files changed, 41 insertions, 38 deletions
diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 5cdf409204aa..b8e1018d611e 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -34,46 +34,49 @@ scm_version() 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 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", $(NF-1))}' - fi - - # Add -g and exactly 12 hex chars. - printf '%s%s' -g "$(echo $head | cut -c1-12)" - fi + if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then + return + fi + + if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then + return + fi + + # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it + # because this version is defined in the top level Makefile. + if [ -z "$(git describe --exact-match 2>/dev/null)" ]; then - # 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 + # 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", $(NF-1))}' + fi + + # Add -g and exactly 12 hex chars. + printf '%s%s' -g "$(echo $head | cut -c1-12)" + fi + + # 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 } |