Use a --login shell everywhere in CI instead of being inconsistent

PiperOrigin-RevId: 997313810
Change-Id: Ibbb125e769059e9bfa5ba3baa0ffdf438b26859d

ci/cmake_install_test.sh

diff --git a/ci/cmake_install_test.sh b/ci/cmake_install_test.sh
index 5e3e07b..d3bc5d0 100755
--- a/ci/cmake_install_test.sh
+++ b/ci/cmake_install_test.sh
@@ -44,7 +44,7 @@
     --rm \
     ${DOCKER_EXTRA_ARGS:-} \
     ${DOCKER_CONTAINER} \
-    /bin/bash -c "cmake /abseil-cpp-ro && make -j$(nproc) && make install"
+    /bin/sh -c "cmake /abseil-cpp-ro && make -j$(nproc) && make install"
 
 # Verify that a more complicated project works.
 for link_type in ${LINK_TYPE}; do
@@ -60,5 +60,5 @@
     --rm \
     ${DOCKER_EXTRA_ARGS:-} \
     ${DOCKER_CONTAINER} \
-    /bin/bash -c "cp -r /abseil-cpp-ro/* . && CMake/install_test_project/test.sh"
+    /bin/sh -c "cp -r /abseil-cpp-ro/* . && CMake/install_test_project/test.sh"
 done

ci/linux_arm_clang-latest_libcxx_bazel.sh

diff --git a/ci/linux_arm_clang-latest_libcxx_bazel.sh b/ci/linux_arm_clang-latest_libcxx_bazel.sh
index a900373..01c5610 100755
--- a/ci/linux_arm_clang-latest_libcxx_bazel.sh
+++ b/ci/linux_arm_clang-latest_libcxx_bazel.sh
@@ -81,7 +81,7 @@
         --rm \
         ${DOCKER_EXTRA_ARGS:-} \
         ${DOCKER_CONTAINER} \
-        /bin/bash --login -c "
+        /bin/sh -c "
           cp -r /abseil-cpp-ro/* /abseil-cpp/
           if [ -n \"${ALTERNATE_OPTIONS:-}\" ]; then
             cp ${ALTERNATE_OPTIONS:-} absl/base/options.h || exit 1

ci/linux_clang-latest_libcxx_asan_bazel.sh

diff --git a/ci/linux_clang-latest_libcxx_asan_bazel.sh b/ci/linux_clang-latest_libcxx_asan_bazel.sh
index 5683d81..d31f608 100755
--- a/ci/linux_clang-latest_libcxx_asan_bazel.sh
+++ b/ci/linux_clang-latest_libcxx_asan_bazel.sh
@@ -83,7 +83,7 @@
         --rm \
         ${DOCKER_EXTRA_ARGS:-} \
         ${DOCKER_CONTAINER} \
-        /bin/bash --login -c "
+        /bin/sh -c "
         /usr/local/bin/bazel test ... \
           --compilation_mode=\"${compilation_mode}\" \
           --copt=\"${exceptions_mode}\" \

ci/linux_clang-latest_libcxx_bazel.sh

diff --git a/ci/linux_clang-latest_libcxx_bazel.sh b/ci/linux_clang-latest_libcxx_bazel.sh
index 0679e83..830dd14 100755
--- a/ci/linux_clang-latest_libcxx_bazel.sh
+++ b/ci/linux_clang-latest_libcxx_bazel.sh
@@ -81,7 +81,7 @@
         --rm \
         ${DOCKER_EXTRA_ARGS:-} \
         ${DOCKER_CONTAINER} \
-        /bin/bash --login -c "
+        /bin/sh -c "
           cp -r /abseil-cpp-ro/* /abseil-cpp/
           if [ -n \"${ALTERNATE_OPTIONS:-}\" ]; then
             cp ${ALTERNATE_OPTIONS:-} absl/base/options.h || exit 1

ci/linux_clang-latest_libcxx_tsan_bazel.sh

diff --git a/ci/linux_clang-latest_libcxx_tsan_bazel.sh b/ci/linux_clang-latest_libcxx_tsan_bazel.sh
index f62714a..240dbea 100755
--- a/ci/linux_clang-latest_libcxx_tsan_bazel.sh
+++ b/ci/linux_clang-latest_libcxx_tsan_bazel.sh
@@ -80,7 +80,7 @@
         --rm \
         ${DOCKER_EXTRA_ARGS:-} \
         ${DOCKER_CONTAINER} \
-        /bin/bash --login -c "
+        /bin/sh -c "
         /usr/local/bin/bazel test ... \
           --build_tag_filters=\"-notsan\" \
           --compilation_mode=\"${compilation_mode}\" \

ci/linux_clang-latest_libstdcxx_bazel.sh

diff --git a/ci/linux_clang-latest_libstdcxx_bazel.sh b/ci/linux_clang-latest_libstdcxx_bazel.sh
index 483449a..fe15f84 100755
--- a/ci/linux_clang-latest_libstdcxx_bazel.sh
+++ b/ci/linux_clang-latest_libstdcxx_bazel.sh
@@ -79,7 +79,7 @@
         --rm \
         ${DOCKER_EXTRA_ARGS:-} \
         ${DOCKER_CONTAINER} \
-        /bin/bash --login -c "
+        /bin/sh -c "
         /usr/local/bin/bazel test ... \
           --compilation_mode=\"${compilation_mode}\" \
           --copt=\"--gcc-toolchain=/usr/local\" \

ci/linux_gcc-floor_libstdcxx_bazel.sh

diff --git a/ci/linux_gcc-floor_libstdcxx_bazel.sh b/ci/linux_gcc-floor_libstdcxx_bazel.sh
index 3239e7e..f6f59cb 100755
--- a/ci/linux_gcc-floor_libstdcxx_bazel.sh
+++ b/ci/linux_gcc-floor_libstdcxx_bazel.sh
@@ -79,7 +79,7 @@
         --rm \
         ${DOCKER_EXTRA_ARGS:-} \
         ${DOCKER_CONTAINER} \
-        /bin/bash --login -c "
+        /bin/sh -c "
         /usr/local/bin/bazel test ... \
           --compilation_mode=\"${compilation_mode}\" \
           --copt=\"${exceptions_mode}\" \

ci/linux_gcc-latest_libstdcxx_bazel.sh

diff --git a/ci/linux_gcc-latest_libstdcxx_bazel.sh b/ci/linux_gcc-latest_libstdcxx_bazel.sh
index 51fb51f..51d3c9c 100755
--- a/ci/linux_gcc-latest_libstdcxx_bazel.sh
+++ b/ci/linux_gcc-latest_libstdcxx_bazel.sh
@@ -79,7 +79,7 @@
         --rm \
         ${DOCKER_EXTRA_ARGS:-} \
         ${DOCKER_CONTAINER} \
-        /bin/bash --login -c "
+        /bin/sh -c "
           cp -r /abseil-cpp-ro/* /abseil-cpp/
           if [ -n \"${ALTERNATE_OPTIONS:-}\" ]; then
             cp ${ALTERNATE_OPTIONS:-} absl/base/options.h || exit 1

ci/linux_gcc-latest_libstdcxx_cmake.sh

diff --git a/ci/linux_gcc-latest_libstdcxx_cmake.sh b/ci/linux_gcc-latest_libstdcxx_cmake.sh
index 40321c6..4463882 100755
--- a/ci/linux_gcc-latest_libstdcxx_cmake.sh
+++ b/ci/linux_gcc-latest_libstdcxx_cmake.sh
@@ -67,7 +67,7 @@
           -e CXXFLAGS="-Werror" \
           ${DOCKER_EXTRA_ARGS:-} \
           "${DOCKER_CONTAINER}" \
-          /bin/bash -c "
+          /bin/sh -c "
             cmake /abseil-cpp \
               -DABSL_GOOGLETEST_DOWNLOAD_URL=\"${ABSL_GOOGLETEST_DOWNLOAD_URL}\" \
               -DBUILD_SHARED_LIBS=\"${build_shared}\" \