build: remove gst-indent as a subproject

gst-indent is now installable with pip. Remove it as
a subproject and update the documentation.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8402>

.gitlab-image-tags.yml

@@ -9,7 +9,7 @@ variables:
 
   DEBIAN_TAG:  '2025-01-11.0'
 
-  CHECKS_TAG: '2025-01-22.0'
+  CHECKS_TAG: '2025-02-04.0'
 
   ABI_CHECK_TAG: '2025-01-29.0'
 

ci/docker/checks/prepare.sh

@@ -18,45 +18,12 @@ apt install -y dotnet-sdk-7.0
 dotnet tool install --global dotnet-format
 ln -s ~/.dotnet/tools/dotnet-format /usr/local/bin/dotnet-format
 
-# Build and install gst-indent-1.0
+# Install build dependencies
 echo "deb-src http://deb.debian.org/debian/ bookworm main" >> /etc/apt/sources.list
 apt update
 
 apt-get install --assume-yes devscripts build-essential dpkg-dev wget  meson ninja-build pkg-config libssl-dev
 
-apt-get build-dep --assume-yes indent
-
-git clone https://gitlab.freedesktop.org/gstreamer/gst-indent.git
-cd gst-indent
-
-meson setup --prefix=/usr _build
-meson install -C _build
-
-# Try it
-wget -O gstbayer2rgb.c "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/raw/main/subprojects/gst-plugins-bad/gst/bayer/gstbayer2rgb.c?inline=false"
-
-for i in 1 2; do
-gst-indent-1.0 \
-  --braces-on-if-line \
-  --case-brace-indentation0 \
-  --case-indentation2 \
-  --braces-after-struct-decl-line \
-  --line-length80 \
-  --no-tabs \
-  --cuddle-else \
-  --dont-line-up-parentheses \
-  --continuation-indentation4 \
-  --honour-newlines \
-  --tab-size8 \
-  --indent-level2 \
-  --leave-preprocessor-space \
-  gstbayer2rgb.c
-done;
-
-# Clean up gst-indent
-cd ..
-rm -rf gst-indent
-
 export PIP_BREAK_SYSTEM_PACKAGES=1
 # Install pre-commit
 python3 -m pip install --upgrade pip

gst-env.py

@@ -322,14 +322,6 @@ def get_subprocess_env(options, gst_version):
     prepend_env_var(env, "PKG_CONFIG_PATH", os.path.join(PREFIX_DIR, 'lib', 'pkgconfig'),
                     options.sysroot)
 
-    # gst-indent-1.0
-    prepend_env_var(env, "PATH", os.path.join(options.builddir, 'subprojects',
-                    'gst-indent', 'src'),
-                    options.sysroot)
-    # gst-indent (FIXME: remove or move into gst-indent module)
-    prepend_env_var(env, "PATH", os.path.join(SCRIPTDIR, 'scripts'),
-                    options.sysroot)
-
     # tools: gst-launch-1.0, gst-inspect-1.0
     prepend_env_var(env, "PATH", os.path.join(options.builddir, 'subprojects',
                                               'gstreamer', 'tools'),

meson.build

@@ -686,8 +686,6 @@ if dotnet_format.found()
     )
 endif
 
-indent = find_program('gst-indent-1.0', native: true, required: get_option('gst-indent').allowed())
-
 summary({
   'gstreamer-full library': building_full,
   'gstreamer-full target type': get_option('gst-full-target-type'),

meson_options.txt

@@ -45,7 +45,6 @@ option('gst-full-target-type', type : 'combo', value : 'shared_library', choices
 option('orc-source', type: 'combo', choices: ['system', 'subproject', 'auto'], value: 'subproject')
 option('build-tools-source', type: 'combo', choices: ['system', 'subproject'], value: 'subproject')
 option('virtme_kernel_image', type: 'string', value: '', description: 'Path to a Linux kernel image to be used for virtme testing')
-option('gst-indent', type: 'feature', value: 'auto', description: 'Whether to build the gst-indent tool')
 
 # License-related feature options
 option('gpl', type: 'feature', value: 'disabled',

subprojects/gst-docs/markdown/contribute/index.md

@@ -427,8 +427,8 @@ In the simplest case, you might be able to get away with just doing a `git pull
 #### Coding Style
 
 Try to stick to the GStreamer indentation and coding style. There is an
-application called [`gst-indent-1.0`][gst-indent] which should be available
+application called [`gst-indent-1.0`][gst-indent] that can be installed
-in a GStreamer development environment and which you can run over your `.c` or
+with `pip install gst-indent`. You can run it over your `.c` or
 `.cpp` files if you want your code auto-indented before making the patch.
 
 Please do _not_ run `gst-indent-1.0` on header files, our header file
@@ -439,13 +439,6 @@ checks if your commit conforms to the required style. You can bypass that local
 indentation check hook by using `git commit -n`, but it will still be checked
 again later on the CI when you submit your changes through GitLab for merging.
 
-If `gst-indent-1.0` is not found on your system at setup time, it will be
-supplied from the Meson wrap in the main project; you must build GStreamer
-once, and that will make `gst-indent-1.0` available to the developer
-environment.
-
-We are working on making this less hasslesome.
-
 Compiler requirements:
  - we are targetting the C99 compiler and preprocesser feature subset
    supported by gcc 5.4, clang and vs2017. Newer features can be

subprojects/gst-docs/markdown/frequently-asked-questions/developing.md

@@ -120,9 +120,9 @@ Rust source files (.rs files) are indented with the standard `rustfmt`.
 
 One way to make sure you are following our coding style is to run your code
 (remember, only the `*.c` files, not the headers) through the `gst-indent-1.0`
-tool, which should be available in the uninstalled GStreamer development
+tool, which can be installed with `pip install gst-indent`.
-environment from version 1.23.1 onwards. Alternatively you can also get the
+Alternatively you can also get the tool from the
-tool from the [gst-indent repository](https://gitlab.freedesktop.org/gstreamer/gst-indent/)
+[gst-indent repository](https://gitlab.freedesktop.org/gstreamer/gst-indent/)
 and build it yourself.
 
 The easiest way to get the indenting right is probably to develop against a git

subprojects/gst-indent.wrap

@@ -1,8 +0,0 @@
-[wrap-git]
-directory=gst-indent
-url=https://gitlab.freedesktop.org/gstreamer/gst-indent.git
-push-url=git@gitlab.freedesktop.org:gstreamer/gst-indent.git
-revision=main
-
-[provide]
-program_names = gst-indent-1.0