[ci] use wch1/r-debug image in Solaris tests (#4765)

* [ci] use wch1/r-debug image in Solaris tests

* no git in valgrind tests

Author: jameslamb

Diff for: .ci/test_r_package_solaris.sh

@@ -1,13 +1,13 @@
 #!/bin/bash
 
-sh build-cran-package.sh || exit -1
-
 apt-get install --no-install-recommends -y \
   libcurl4-openssl-dev \
   libxml2-dev \
   libssl-dev
 
-log_file="rhub_logs.txt"
 Rscript -e "install.packages('rhub', dependencies = c('Depends', 'Imports', 'LinkingTo'), repos = 'https://cran.r-project.org', Ncpus = parallel::detectCores())" || exit -1
 
+sh build-cran-package.sh || exit -1
+
+log_file="rhub_logs.txt"
 Rscript ./.ci/run_rhub_solaris_checks.R lightgbm_*.tar.gz $log_file || exit -1

Diff for: .github/workflows/r_solaris.yml

@@ -9,7 +9,7 @@ jobs:
     name: solaris-cran
     timeout-minutes: 120
     runs-on: ubuntu-latest
-    container: rocker/r-base
+    container: wch1/r-debug
     env:
       SECRETS_WORKFLOW: ${{ secrets.WORKFLOW }}
     steps:
@@ -19,7 +19,6 @@ jobs:
           apt-get update
           apt-get install --no-install-recommends -y \
             curl \
-            git \
             jq
       - name: Checkout repository
         uses: actions/[email protected]

Diff for: .github/workflows/r_valgrind.yml

@@ -19,7 +19,6 @@ jobs:
           apt-get update
           apt-get install --no-install-recommends -y \
             curl \
-            git \
             jq
       - name: Checkout repository
         uses: actions/[email protected]