formatting: step 5 - add formatter check to the CI

Signed-off-by: Yury V. Zaytsev <yury@shurup.com>

Author: zyv

.github/workflows/ci-fedora.yml

@@ -15,7 +15,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          dnf install -y autoconf automake gcc gettext-devel groff libtool make pkgconfig
+          dnf install -y autoconf automake clang-tools-extra gcc gettext-devel groff libtool make pkgconfig
           dnf install -y aspell-devel check-devel gpm-devel libX11-devel "pkgconfig(ext2fs)" "pkgconfig(glib-2.0)" "pkgconfig(gmodule-2.0)" "pkgconfig(libssh2)" "pkgconfig(slang)"
 
           # For tests
@@ -41,6 +41,9 @@ jobs:
               --enable-werror \
               && \
             \
+            make indent && \
+            git diff --exit-code && \
+            \
             make -j$(nproc) && \
             make check && \
             make install \

.github/workflows/ci-macos.yml

@@ -19,7 +19,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          brew install autoconf automake gettext check gnu-indent libtool pkg-config
+          brew install autoconf automake gettext check libtool pkg-config
           brew install aspell e2fsprogs glib libssh2 openssl s-lang
 
           # unzip is part of the base system

.github/workflows/ci-ubuntu.yml

@@ -13,7 +13,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          sudo apt-get install -y autoconf autopoint check gettext indent libtool pkg-config
+          sudo apt-get install -y autoconf autopoint check gettext libtool pkg-config
           sudo apt-get install -y e2fslibs-dev libaspell-dev libglib2.0-dev libgpm-dev libncurses5-dev libpcre2-dev libslang2-dev libssh2-1-dev libx11-dev unzip
 
       - name: Bootstrap build system
@@ -39,10 +39,6 @@ jobs:
               --enable-vfs-undelfs \
               --enable-werror
 
-          make indent
-          # TODO: exit 1
-          git ls-files --modified
-
           make -j$(nproc)
           make check
           make install