1FLATPAK BUILD(1)                 flatpak build                FLATPAK BUILD(1)
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NAME

6       flatpak-build - Build in a directory
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SYNOPSIS

9       flatpak build [OPTION...] DIRECTORY [COMMAND [ARG...]]
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DESCRIPTION

12       Runs a build command in a directory.  DIRECTORY must have been
13       initialized with flatpak build-init.
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15       The sdk that is specified in the metadata file in the directory is
16       mounted at /usr and the files and var subdirectories are mounted at
17       /app and /var, respectively. They are writable, and their contents are
18       preserved between build commands, to allow accumulating build artifacts
19       there.
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OPTIONS

22       The following options are understood:
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24       -h, --help
25           Show help options and exit.
26
27       -v, --verbose
28           Print debug information during command processing.
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30       --ostree-verbose
31           Print OSTree debug information during command processing.
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33       -r, --runtime
34           Use the non-devel runtime that is specified in the application
35           metadata instead of the devel runtime.
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37       -p, --die-with-parent
38           Kill the build process and all children when the launching process
39           dies.
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41       --bind-mount=DEST=SOURCE
42           Add a custom bind mount in the build namespace. Can be specified
43           multiple times.
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45       --build-dir=PATH
46           Start the build in this directory (default is in the current
47           directory).
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49       --share=SUBSYSTEM
50           Share a subsystem with the host session. This overrides the Context
51           section from the application metadata.  SUBSYSTEM must be one of:
52           network, ipc. This option can be used multiple times.
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54       --unshare=SUBSYSTEM
55           Don't share a subsystem with the host session. This overrides the
56           Context section from the application metadata.  SUBSYSTEM must be
57           one of: network, ipc. This option can be used multiple times.
58
59       --socket=SOCKET
60           Expose a well-known socket to the application. This overrides to
61           the Context section from the application metadata.  SOCKET must be
62           one of: x11, wayland, fallback-x11, pulseaudio, system-bus,
63           session-bus, ssh-auth, pcsc, cups. This option can be used multiple
64           times.
65
66       --nosocket=SOCKET
67           Don't expose a well-known socket to the application. This overrides
68           to the Context section from the application metadata.  SOCKET must
69           be one of: x11, wayland, fallback-x11, pulseaudio, system-bus,
70           session-bus, ssh-auth, pcsc, cups. This option can be used multiple
71           times.
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73       --device=DEVICE
74           Expose a device to the application. This overrides to the Context
75           section from the application metadata.  DEVICE must be one of: dri,
76           kvm, shm, all. This option can be used multiple times.
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78       --nodevice=DEVICE
79           Don't expose a device to the application. This overrides to the
80           Context section from the application metadata.  DEVICE must be one
81           of: dri, kvm, shm, all. This option can be used multiple times.
82
83       --allow=FEATURE
84           Allow access to a specific feature. This updates the [Context]
85           group in the metadata.  FEATURE must be one of: devel, multiarch,
86           bluetooth, canbus. This option can be used multiple times.
87
88           See flatpak-build-finish(1) for the meaning of the various
89           features.
90
91       --disallow=FEATURE
92           Disallow access to a specific feature. This updates the [Context]
93           group in the metadata.  FEATURE must be one of: devel, multiarch,
94           bluetooth, canbus. This option can be used multiple times.
95
96       --filesystem=FILESYSTEM[:ro|:create]
97           Allow the application access to a subset of the filesystem. This
98           overrides to the Context section from the application metadata.
99           FILESYSTEM can be one of: home, host, host-os, host-etc,
100           xdg-desktop, xdg-documents, xdg-download, xdg-music, xdg-pictures,
101           xdg-public-share, xdg-templates, xdg-videos, xdg-run, xdg-config,
102           xdg-cache, xdg-data, an absolute path, or a homedir-relative path
103           like ~/dir or paths relative to the xdg dirs, like
104           xdg-download/subdir. The optional :ro suffix indicates that the
105           location will be read-only. The optional :create suffix indicates
106           that the location will be read-write and created if it doesn't
107           exist. This option can be used multiple times. See the "[Context]
108           filesystems" list in flatpak-metadata(5) for details of the
109           meanings of these filesystems.
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111       --nofilesystem=FILESYSTEM
112           Remove access to the specified subset of the filesystem from the
113           application. This overrides to the Context section from the
114           application metadata.  FILESYSTEM can be one of: home, host,
115           host-os, host-etc, xdg-desktop, xdg-documents, xdg-download,
116           xdg-music, xdg-pictures, xdg-public-share, xdg-templates,
117           xdg-videos, an absolute path, or a homedir-relative path like
118           ~/dir. This option can be used multiple times.
119
120       --with-appdir
121           Expose and configure access to the per-app storage directory in
122           $HOME/.var/app. This is not normally useful when building, but
123           helps when testing built apps.
124
125       --add-policy=SUBSYSTEM.KEY=VALUE
126           Add generic policy option. For example,
127           "--add-policy=subsystem.key=v1 --add-policy=subsystem.key=v2" would
128           map to this metadata:
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130               [Policy subsystem]
131               key=v1;v2;
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133
134           This option can be used multiple times.
135
136       --remove-policy=SUBSYSTEM.KEY=VALUE
137           Remove generic policy option. This option can be used multiple
138           times.
139
140       --env=VAR=VALUE
141           Set an environment variable in the application. This overrides to
142           the Context section from the application metadata. This option can
143           be used multiple times.
144
145       --unset-env=VAR
146           Unset an environment variable in the application. This overrides
147           the unset-environment entry in the [Context] group of the metadata,
148           and the [Environment] group. This option can be used multiple
149           times.
150
151       --env-fd=FD
152           Read environment variables from the file descriptor FD, and set
153           them as if via --env. This can be used to avoid environment
154           variables and their values becoming visible to other users.
155
156           Each environment variable is in the form VAR=VALUE followed by a
157           zero byte. This is the same format used by env -0 and
158           /proc/*/environ.
159
160       --own-name=NAME
161           Allow the application to own the well-known name NAME on the
162           session bus. This overrides to the Context section from the
163           application metadata. This option can be used multiple times.
164
165       --talk-name=NAME
166           Allow the application to talk to the well-known name NAME on the
167           session bus. This overrides to the Context section from the
168           application metadata. This option can be used multiple times.
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170       --system-own-name=NAME
171           Allow the application to own the well-known name NAME on the system
172           bus. This overrides to the Context section from the application
173           metadata. This option can be used multiple times.
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175       --system-talk-name=NAME
176           Allow the application to talk to the well-known name NAME on the
177           system bus. This overrides to the Context section from the
178           application metadata. This option can be used multiple times.
179
180       --persist=FILENAME
181           If the application doesn't have access to the real homedir, make
182           the (homedir-relative) path FILENAME a bind mount to the
183           corresponding path in the per-application directory, allowing that
184           location to be used for persistent data. This overrides to the
185           Context section from the application metadata. This option can be
186           used multiple times.
187
188       --sdk-dir=DIR
189           Normally if there is a usr directory in the build dir, this is used
190           for the runtime files (this can be created by --writable-sdk or
191           --type=runtime arguments to build-init). If you specify --sdk-dir,
192           this directory will be used instead. Use this if you passed
193           --sdk-dir to build-init.
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195       --readonly
196           Mount the normally writable destination directories read-only. This
197           can be useful if you want to run something in the sandbox but
198           guarantee that it doesn't affect the build results. For example
199           tests.
200
201       --metadata=FILE
202           Use the specified filename as metadata in the exported app instead
203           of the default file (called metadata). This is useful if you build
204           multiple things from a single build tree (such as both a platform
205           and a sdk).
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207       --log-session-bus
208           Log session bus traffic. This can be useful to see what access you
209           need to allow in your D-Bus policy.
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211       --log-system-bus
212           Log system bus traffic. This can be useful to see what access you
213           need to allow in your D-Bus policy.
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EXAMPLES

216       $ flatpak build /build/my-app rpmbuild my-app.src.rpm
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SEE ALSO

219       flatpak(1), flatpak-build-init(1), flatpak-build-finish(1), flatpak-
220       build-export(1)
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224flatpak                                                       FLATPAK BUILD(1)
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