From: Daniel Kahn Gillmor Date: Thu, 28 Oct 2021 10:18:00 -0400 Subject: Pull version information from debian/changelog (avoid git shenanigans) Forwarded: not-needed --- cmake/version.cmake | 93 +++++++---------------------------------------------- 1 file changed, 11 insertions(+), 82 deletions(-) diff --git a/cmake/version.cmake b/cmake/version.cmake index f74126e..ff100f4 100644 --- a/cmake/version.cmake +++ b/cmake/version.cmake @@ -67,93 +67,22 @@ function(extract_version_info version var_prefix) endfunction() function(determine_version source_dir var_prefix) - set(has_release_tag NO) - set(has_version_txt NO) - set(local_prefix "_determine_ver") - # find out base version via version.txt - set(base_version "0.0.0") - if (EXISTS "${source_dir}/version.txt") - set(has_version_txt YES) - file(STRINGS "${source_dir}/version.txt" version_file) - extract_version_info("${version_file}" "${local_prefix}") - set(base_version "${${local_prefix}_VERSION}") - message(STATUS "Found version.txt with ${version_file}") + # Debian-specific version information + if(DEFINED ENV{DEB_VERSION}) + set(version_full "$ENV{DEB_VERSION}") else() - message(STATUS "Found no version.txt.") + message(FATAL_ERROR "DEB_VERSION not defined") endif() - # for GIT_EXECUTABLE - find_package(Git) - # get a description of the version, something like: - # v1.9.1-0-g38ffe82 (a tagged release) - # v1.9.1-0-g38ffe82-dirty (a tagged release with local modifications) - # v1.9.0-3-g5b92266 (post-release snapshot) - # v1.9.0-3-g5b92266-dirty (post-release snapshot with local modifications) - _git(version describe --abbrev=${GIT_REV_LEN} --match "v[0-9]*" --long --dirty) - if (NOT _git_ec EQUAL 0) - # no annotated tags, fake one - message(STATUS "Found no annotated tags.") - _git(revision rev-parse --short=${GIT_REV_LEN} --verify HEAD) - if (_git_ec EQUAL 0) - set(version "v${base_version}-0-g${revision}") - # check if dirty (this won't detect untracked files, but should be ok) - _git(changes diff-index --quiet HEAD --) - if (NOT _git_ec EQUAL 0) - string(APPEND version "-dirty") - endif() - # append the commit timestamp of the most recent commit (only - # in non-release branches -- typically master) - _git(commit_timestamp show -s --format=%ct) - if (_git_ec EQUAL 0) - string(APPEND version "+${commit_timestamp}") - endif() - elseif(has_version_txt) - # Nothing to get from git - so use version.txt completely - set(version "${version_file}") - else() - # Sad case - no git, no version.txt - set(version "v${base_version}") - endif() + if(DEFINED ENV{SOURCE_DATE_EPOCH}) + set(commit_timestamp "$ENV{SOURCE_DATE_EPOCH}") else() - set(has_release_tag YES) - message(STATUS "Found annotated tag ${version}") + message(FATAL_ERROR "SOURCE_DATE_EPOCH not defined") endif() - extract_version_info("${version}" "${local_prefix}") - if ("${has_version_txt}" AND NOT ${base_version} STREQUAL ${local_prefix}_VERSION) - message(WARNING "Tagged version ${${local_prefix}_VERSION} doesn't match one from the version.txt: ${base_version}") - if (${base_version} VERSION_GREATER ${local_prefix}_VERSION) - set(${local_prefix}_VERSION ${base_version}) - endif() - endif() - foreach(suffix VERSION VERSION_NCOMMITS VERSION_GIT_REV VERSION_IS_DIRTY VERSION_COMMIT_TIMESTAMP) - if (NOT DEFINED ${local_prefix}_${suffix}) - message(FATAL_ERROR "Unable to determine version.") - endif() - set(${var_prefix}_${suffix} "${${local_prefix}_${suffix}}" PARENT_SCOPE) - message(STATUS "${var_prefix}_${suffix}: ${${local_prefix}_${suffix}}") - endforeach() - # Set VERSION_SUFFIX and VERSION_FULL. When making changes, be aware that - # this is used in packaging as well and will affect ordering. - # | state | version_full | - # |-----------------------------------------------------| - # | exact tag | 0.9.0 | - # | exact tag, dirty | 0.9.0+git20180604 | - # | after tag | 0.9.0+git20180604.1.085039f | - # | no tag, version.txt | 0.9.0+git20180604.2ee02af | - # | no tag, no version.txt| 0.0.0+git20180604.2ee02af | - string(TIMESTAMP date "%Y%m%d" UTC) - set(version_suffix "") - if (NOT ${local_prefix}_VERSION_NCOMMITS EQUAL 0) - # 0.9.0+git20150604.4.289818b - string(APPEND version_suffix "+git${date}.${${local_prefix}_VERSION_NCOMMITS}.${${local_prefix}_VERSION_GIT_REV}") - elseif ((NOT has_release_tag) AND ((NOT has_version_txt) OR ("${base_version}" STREQUAL "0.0.0") OR (NOT "${revision}" STREQUAL ""))) - # 0.9.0+git20150604.289818b - string(APPEND version_suffix "+git${date}.${${local_prefix}_VERSION_GIT_REV}") - elseif(${local_prefix}_VERSION_IS_DIRTY) - # 0.9.0+git20150604 - string(APPEND version_suffix "+git${date}") - endif() - set(version_full "${${local_prefix}_VERSION}${version_suffix}") + string(REGEX REPLACE "^.*-" "-" version_suffix "${version_full}") + string(REGEX REPLACE "-[^-]*$" "" version_upstream "${version_full}") # set the results + set(${var_prefix}_VERSION "${version_upstream}" PARENT_SCOPE) + set(${var_prefix}_VERSION_COMMIT_TIMESTAMP "${commit_timestamp}" PARENT_SCOPE) set(${var_prefix}_VERSION_SUFFIX "${version_suffix}" PARENT_SCOPE) set(${var_prefix}_VERSION_FULL "${version_full}" PARENT_SCOPE) # for informational purposes