build/windows: Remove a bit of actually dead code in msys2 scripts

This commit is mostly a little cleanup:
- Reduce redundancy in Local compatibility layer regarding build commands,
  which partily reverts !1171 regarding buggy "ninja && ninja install"
- Reduce redundancy of some variables (MSYS_PREFIX and GIMP_DISTRIB)
- Remove manual QOI install since MSYS2 granted a exception in the win32 drop

This commit also reverts 7cca69cd, a fix from the autotools era that isn't
actually needed according to my tests in CI.

build/windows/gitlab-ci/1_build-deps-msys2.sh

@@ -2,7 +2,7 @@
 
 set -e
 
-# $MSYSTEM_CARCH, $MSYSTEM_PREFIX and $MINGW_PACKAGE_PREFIX are defined by MSYS2.
+# $MSYSTEM_CARCH and $MINGW_PACKAGE_PREFIX are defined by MSYS2.
 # https://github.com/msys2/MSYS2-packages/blob/master/filesystem/msystem
 if [[ "$MSYSTEM_CARCH" == "aarch64" ]]; then
   export ARTIFACTS_SUFFIX="-a64"
@@ -17,13 +17,12 @@ if [[ -z "$GITLAB_CI" ]]; then
   if [[ "$0" != "build/windows/gitlab-ci/1_build-deps-msys2.sh" ]]; then
     echo "To run this script locally, please do it from to the gimp git folder"
     exit 1
-  else
-    GIMP_DIR=$(echo "${PWD##*/}/")
-    DEPS_DIR=$(dirname $PWD)
-    cd $DEPS_DIR
   fi
   export GIT_DEPTH=1
   pacman --noconfirm -Suy
+  GIMP_DIR=$(echo "${PWD##*/}/")
+  DEPS_DIR=$(dirname $PWD)
+  cd $DEPS_DIR
 fi
 
 
@@ -96,18 +95,15 @@ configure_or_build ()
 {
   if [ ! -f "_${1}/_build/build.ninja" ]; then
     mkdir -p _${1}/_build${ARTIFACTS_SUFFIX} && cd _${1}/_build${ARTIFACTS_SUFFIX}
-    (meson setup .. -Dprefix="${GIMP_PREFIX}" $2 && \
-     ninja && ninja install) || exit 1
-    cd ../..
+    meson setup .. -Dprefix="${GIMP_PREFIX}" $2
   else
     cd _${1}/_build${ARTIFACTS_SUFFIX}
-    (ninja && ninja install) || exit 1
-    cd ../..
   fi
+  ninja
+  ninja install
+  ccache --show-stats
+  cd ../..
 }
 
 configure_or_build babl "-Dwith-docs=false"
-
 configure_or_build gegl "-Ddocs=false -Dworkshop=true"
-
-ccache --show-stats

build/windows/gitlab-ci/2_build-gimp-msys2.sh

@@ -6,24 +6,13 @@ set -e
 # https://github.com/msys2/MSYS2-packages/blob/master/filesystem/msystem
 if [[ "$MSYSTEM_CARCH" == "aarch64" ]]; then
   export ARTIFACTS_SUFFIX="-a64"
-  export MSYS2_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
 elif [[ "$MSYSTEM_CARCH" == "x86_64" ]]; then
   export ARTIFACTS_SUFFIX="-x64"
-  export MSYS2_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
 else # [[ "$MSYSTEM_CARCH" == "i686" ]];
   export ARTIFACTS_SUFFIX="-x86"
-  export MSYS2_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
 fi
 
-if [[ "$GITLAB_CI" ]]; then
-  # XXX We've got a weird error when the prefix is in the current dir.
-  # Until we figure it out, this trick seems to work, even though it's
-  # completely ridiculous.
-  rm -fr ~/_install${ARTIFACTS_SUFFIX}
-  mv "_install${ARTIFACTS_SUFFIX}" ~
-
-  export MESON_OPTIONS=""
-else
+if [[ -z "$GITLAB_CI" ]]; then
   # Make the script work locally
   if [[ "$0" != "build/windows/gitlab-ci/2_build-gimp-msys2.sh" ]]; then
     echo "To run this script locally, please do it from to the gimp git folder"
@@ -42,13 +31,9 @@ DEPS_CODE=$(cat build/windows/gitlab-ci/1_build-deps-msys2.sh)
 DEPS_CODE=$(sed -n '/# Install the/,/# End of install/p' <<< $DEPS_CODE)
 echo "$DEPS_CODE" | bash
 
-# Install QOI header manually
-# mingw32 package of qoi was removed from MSYS2, we have download it by ourselves
-wget -O "${MSYS2_PREFIX}/include/qoi.h" https://raw.githubusercontent.com/phoboslab/qoi/master/qoi.h
-
 
 # Build GIMP
-export GIMP_PREFIX="`realpath ~/_install`${ARTIFACTS_SUFFIX}"
+export GIMP_PREFIX="`realpath ./_install`${ARTIFACTS_SUFFIX}"
 ## Universal variables from .gitlab-ci.yml
 OLD_IFS=$IFS
 IFS=$'\n' VAR_ARRAY=($(cat .gitlab-ci.yml | sed -n '/export PATH=/,/GI_TYPELIB_PATH}\"/p' | sed 's/    - //'))
@@ -71,20 +56,18 @@ if [ ! -f "_build${ARTIFACTS_SUFFIX}/build.ninja" ]; then
                  -Dwindows-installer=true            \
                  -Dms-store=true                     \
                  -Dbuild-id=org.gimp.GIMP_official $MESON_OPTIONS
-  ninja
-  ninja install
 else
   cd "_build${ARTIFACTS_SUFFIX}"
+fi
 ninja
 ninja install
-fi
-
 ccache --show-stats
 
 
 # XXX Functional fix to the problem of non-configured interpreters
 make_cmd ()
 {
+  MSYS2_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
   GIMP_APP_VERSION=$(grep GIMP_APP_VERSION config.h | head -1 | sed 's/^.*"\([^"]*\)"$/\1/')
   echo "@echo off
         echo This is a $1 native build of GIMP.
@@ -127,11 +110,6 @@ make_cmd ()
 
 if [[ "$GITLAB_CI" ]]; then
   make_cmd CI %cd%
-
-  cd ..
-
-  # XXX Moving back the prefix to be used as artifacts.
-  mv "${GIMP_PREFIX}" .
 else
   make_cmd local $MSYS2_PREFIX
 fi

build/windows/gitlab-ci/3_bundle-gimp-uni_base.sh

@@ -2,20 +2,14 @@
 
 set -e
 
-# $MSYSTEM_CARCH, $MSYSTEM_PREFIX and $MINGW_PACKAGE_PREFIX are defined by MSYS2.
+# $MSYSTEM_CARCH and $MSYSTEM_PREFIX are defined by MSYS2.
 # https://github.com/msys2/MSYS2-packages/blob/master/filesystem/msystem
 if [[ "$MSYSTEM_CARCH" == "aarch64" ]]; then
   export ARTIFACTS_SUFFIX="-a64"
-  export MSYS_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
-  export GIMP_DISTRIB=`realpath ./gimp-a64`
 elif [[ "$CI_JOB_NAME" == "gimp-win-x64-cross" ]] || [[ "$MSYSTEM_CARCH" == "x86_64" ]]; then
   export ARTIFACTS_SUFFIX="-x64"
-  export MSYS_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
-  export GIMP_DISTRIB=`realpath ./gimp-x64`
 else # [[ "$MSYSTEM_CARCH" == "i686" ]];
   export ARTIFACTS_SUFFIX="-x86"
-  export MSYS_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
-  export GIMP_DISTRIB=`realpath ./gimp-x86`
 fi
 
 
@@ -31,12 +25,14 @@ fi
 
 
 # Bundle deps and GIMP files
-export GIMP_PREFIX="`realpath ./_install`${ARTIFACTS_SUFFIX}"
 if [[ "$CI_JOB_NAME" =~ "cross" ]]; then
   export GIMP_PREFIX="`realpath ./_install`${ARTIFACTS_SUFFIX}-cross"
   export MSYS_PREFIX="$GIMP_PREFIX"
+else
+  export GIMP_PREFIX="`realpath ./_install`${ARTIFACTS_SUFFIX}"
+  export MSYS_PREFIX="c:/msys64${MSYSTEM_PREFIX}"
 fi
-export PATH="$GIMP_PREFIX/bin:$PATH"
+export GIMP_DISTRIB="`realpath ./gimp`${ARTIFACTS_SUFFIX}"
 
 ## Copy a previously built wrapper at tree root, less messy than
 ## having to look inside bin/, in the middle of all the DLLs.