gitlab-ci, build: Logs do not need to be compressed

This reverts 1fcdb724 and 8e6da721, which are inoffensive but inconsistent.
They are added while Jehan's final fix did not landed. Back then, we were
experimenting XZ and other things that we don't use in other parts of the .sh.

So, let's go back to just single tar, since logs are not that big after all.

.gitlab-ci.yml

@@ -49,7 +49,7 @@ workflow:
 ## - Building quality tests (static code analysis)
 ## - Execution tests (dynamic code analysis)
 ## - Source tarball
-## - Developer documentation 
+## - Developer documentation
 .pipeline_commit: &CI_COMMIT
   if: '$CI_PIPELINE_SOURCE == "push" && $CI_OPEN_MERGE_REQUESTS == null && $CI_COMMIT_TAG == null'
   interruptible: true
@@ -59,7 +59,7 @@ workflow:
 ## - Source tarball
 ## - Developer documentation
 ## - Linux .appimage
-## - Inno Windows installer 
+## - Inno Windows installer
 ## - MS Store .msixupload
 .pipeline_release: &CI_RELEASE
   if: '$CI_COMMIT_TAG != null'
@@ -344,7 +344,7 @@ deps-debian:
     PKGCONF_RELOCATABLE_OPTION: '-Dpkgconfig.relocatable=true'
   script:
     - !reference [deps-debian-nonreloc, script]
-  artifacts: !reference [deps-debian-nonreloc, artifacts] 
+  artifacts: !reference [deps-debian-nonreloc, artifacts]
 
 gimp-debian:
   extends: .debian
@@ -412,9 +412,9 @@ deps-flatpak:
   artifacts:
     paths:
       - flatpak-builder-$RUNNER
-      - flatpak-builder.log*
-      - babl-meson-log.xz
-      - gegl-meson-log.xz
+      - flatpak-builder.log
+      - babl-meson-log.tar
+      - gegl-meson-log.tar
     expire_in: 2 hours
 
 gimp-flatpak:
@@ -563,7 +563,7 @@ gimp-snap:
   before_script:
     - $GIMP_PREFIX = "$PWD\_install-$(if (-not $env:MSYSTEM_PREFIX) { $(((Get-WmiObject Win32_ComputerSystem).SystemType).Split('-')[0].Trim().ToLower()) } else { $env:MSYSTEM_PREFIX })"
     - if ("$VARIANT" -eq '-msvc') { if (-not (Test-Path $env:VCPKG_ROOT)) { git clone --depth 1 https://github.com/microsoft/vcpkg; .\vcpkg\bootstrap-vcpkg.bat }; pip install meson }
-    - if ("$VARIANT" -eq '-msvc') { $VSINSTALLDIR = $(vswhere -products * -latest -property installationPath); Import-Module "$VSINSTALLDIR\Common7\Tools\Microsoft.VisualStudio.DevShell.dll"; Enter-VsDevShell -VsInstallPath "$VSINSTALLDIR" -SkipAutomaticLocation -DevCmdArguments "-arch=$(((Get-WmiObject Win32_ComputerSystem).SystemType).Split('-')[0].Trim().ToLower())" }   
+    - if ("$VARIANT" -eq '-msvc') { $VSINSTALLDIR = $(vswhere -products * -latest -property installationPath); Import-Module "$VSINSTALLDIR\Common7\Tools\Microsoft.VisualStudio.DevShell.dll"; Enter-VsDevShell -VsInstallPath "$VSINSTALLDIR" -SkipAutomaticLocation -DevCmdArguments "-arch=$(((Get-WmiObject Win32_ComputerSystem).SystemType).Split('-')[0].Trim().ToLower())" }
   timeout: 120m
 
 .win_environ: &WIN_ENVIRON

build/linux/flatpak/1_build-deps-flatpakbuilder.sh

@@ -57,7 +57,7 @@ if [ "$CI_PIPELINE_SOURCE" = 'schedule' ]; then
     printf "\033[31m(ERROR)\033[0m: Some dependencies sources are outdated. Please, update them on the manifest.\n"
     exit 1
   else
-    printf "(INFO): All dependencies sources are up to date. Building them...\n" 
+    printf "(INFO): All dependencies sources are up to date. Building them...\n"
   fi
 fi
 if [ "$GITLAB_CI" ]; then
@@ -65,13 +65,8 @@ if [ "$GITLAB_CI" ]; then
   oras pull $built_deps_image && oras logout quay.io || true
   tar --zstd --xattrs -xf _build-$RUNNER.tar.zst || true
 fi
-
 eval $FLATPAK_BUILDER --force-clean --disable-rofiles-fuse --keep-build-dirs --build-only --stop-at=babl \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json > flatpak-builder.log 2>&1
-if [ "$GITLAB_CI" ]; then
-  xz flatpak-builder.log
-fi
-
 if [ "$GITLAB_CI" ] && [ "$CI_COMMIT_BRANCH" = "$CI_DEFAULT_BRANCH" ]; then
   tar --zstd --xattrs --exclude=.flatpak-builder/build/ -cf _build-$RUNNER.tar.zst .flatpak-builder/
   cat $NIGHTLY_CACHE_ORAS_TOKEN_FILE | oras login -u "${NIGHTLY_CACHE_ORAS_USER}" --password-stdin quay.io || true
@@ -84,7 +79,7 @@ printf "\e[0Ksection_start:`date +%s`:babl_build[collapsed=true]\r\e[0KBuilding
 eval $FLATPAK_BUILDER --force-clean --disable-rofiles-fuse --keep-build-dirs --build-only --stop-at=gegl \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json
 if [ "$GITLAB_CI" ]; then
-  xz --keep --stdout .flatpak-builder/build/babl-1/_flatpak_build/meson-logs/meson-log.txt > babl-meson-log.xz
+  tar cf babl-meson-log.tar .flatpak-builder/build/babl-1/_flatpak_build/meson-logs/meson-log.txt
 fi
 printf "\e[0Ksection_end:`date +%s`:babl_build\r\e[0K\n"
 
@@ -92,7 +87,7 @@ printf "\e[0Ksection_start:`date +%s`:gegl_build[collapsed=true]\r\e[0KBuilding
 eval $FLATPAK_BUILDER --force-clean --disable-rofiles-fuse --keep-build-dirs --build-only --stop-at=gimp \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json
 if [ "$GITLAB_CI" ]; then
-  xz --keep --stdout .flatpak-builder/build/gegl-1/_flatpak_build/meson-logs/meson-log.txt > gegl-meson-log.xz
+  tar cf gegl-meson-log.tar .flatpak-builder/build/gegl-1/_flatpak_build/meson-logs/meson-log.txt
   # Only keep the build directories long enough to keep a copy of meson
   # logs for babl and GEGL.
   rm -fr .flatpak-builder/build/*