#3880: update/drop revision check after git switch ------------------------+--------------------------------- Reporter: hellik | Owner: grass-dev@… Type: defect | Status: reopened Priority: blocker | Milestone: 7.8.3 Component: Compiling | Version: svn-releasebranch76 Resolution: | Keywords: svn, git, revision CPU: All | Platform: All ------------------------+---------------------------------
Comment (by mmetz): Regarding version and date check as in [https://github.com/OSGeo/grass/blob/master/lib/gis/gisinit.c#L52 lib/gis G__gisinit()], [https://github.com/OSGeo/grass/blob/master/lib/gis/gisinit.c#L86 lib/gis G__no_gisinit()] and [https://github.com/OSGeo/grass/blob/master/general/g.version/main.c#L142 g.version], the hash and date of the last git commit can be easily obtained for any file/directory and used to define [https://github.com/OSGeo/grass/blob/master/include/gis.h#L42 GIS_H_VERSION] and [https://github.com/OSGeo/grass/blob/master/include/gis.h#L43 GIS_H_DATE]. The hash and date of the latest commit to the `include` folder can be obtained with e.g. {{{ git log -1 --pretty=format:"%H|%cd" -- include }}} catching any changes in the GRASS header files. This git commit hash and date can be stored in a file and then used by `configure` to update `include/version.h` after this header has been generated (also by configure). Obviously, `configure` must also work if git is not available or if the source code is not a git clone. The challenge is to automatically update the file with the hash and date of the latest git commit to the `include` folder. Updating and uploading this file will require another commit. We could provide a script to update the file with the hash and date of the latest git commit to the `include` folder and add a [https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks git hook] to make sure this hash+date file has been updated if any changes have been made to the `include` folder. The challenge is to create an appropriate [https://git-scm.com/book/en/v2 /Customizing-Git-Git-Hooks git hook]. -- Ticket URL: <https://trac.osgeo.org/grass/ticket/3880#comment:17> GRASS GIS <https://grass.osgeo.org>
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