147 lines
6.2 KiB
Plaintext
147 lines
6.2 KiB
Plaintext
# SPDX-FileCopyrightText: no
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# SPDX-License-Identifier: CC0-1.0
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#
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# Configuration for the shell process job.
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#
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# Executes a list of commands found under the key *script*.
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# If the top-level key *dontChroot* is true, then the commands
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# are executed in the context of the live system, otherwise
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# in the context of the target system. In all of the commands,
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# the following variable expansions will take place:
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# - `ROOT` is replaced by the root mount point of the **target**
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# system from the point of view of the command (when run in the target
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# system, e.g. when *dontChroot* is false, that will be `/`).
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# - `USER` is replaced by the username, set on the user page.
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# - `LANG` is replaced by the language chosen for the user-interface
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# of Calamares, set on the welcome page. This may not reflect the
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# chosen system language from the locale page.
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#
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# As a special case, variables of the form `gs[key]` where `key` is
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# a dotted-keys string and `gs` is literally the letters `g` and `s`,
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# use **any** value from Global Storage. For example,
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#
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# gs[branding.bootloader]
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#
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# This variable refers to the GS value stored in `bootloader` in the
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# `branding` map. Examine the Debug window for information about the
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# keys stored in GS. Only strings and integers are exposed this way,
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# lists and other data types do not set any variable this way.
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#
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# Variables are written as `${var}`, e.g. `${ROOT}`.
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# Write `$$` to get a shell-escaped `\$` in the shell command.
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# It is not possible to get an un-escaped `$` in the shell command
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# (either the command will fail because of undefined variables, or
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# you get a shell-escaped `\$`).
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#
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# The (global) timeout for the command list can be set with
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# the *timeout* key. The value is a time in seconds, default
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# is 30 seconds if not set. The timeout **must** be tuned, either
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# globally or per-command (see below in the description of *script*),
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# to the load or expected running-time of the command.
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#
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# - Setting a timeout of 30 for a `touch` command is probably exessive
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# - Setting a timeout of 1 for a `touch` command might be low,
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# on a slow disk where touch needs to be loaded from CDROM
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# - Setting a timeout of 30 for a 1GB download is definitely low
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# - Setting a timeout of 3600 for a 1GB download is going to leave
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# the user in uncertainty for a loooong time.
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#
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# The (global) verbosity of a command can be set to `true` or `false`.
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# When set to `true`, command output is logged one line at a time.
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# Otherwise the output is logged when the command completes.
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# Line-at-a-time logging is appropriate for commands that take
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# a long time to complete and produce their own (progress) output.
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#
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# If a command starts with "-" (a single minus sign), then the
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# return value of the command following the - is ignored; otherwise,
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# a failing command will abort the installation. This is much like
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# make's use of - in a command.
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#
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# The value of *script* may be:
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# - a single string; this is one command that is executed.
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# - a single object (see below).
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# - a list of items; these are executed one at a time, by
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# separate shells (/bin/sh -c is invoked for each command).
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# Each list item may be:
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# - a single string; this is one command that is executed.
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# - a single object, specifying a key *command* and (optionally)
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# a key *timeout* to set the timeout for this specific
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# command differently from the global setting. An optional
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# key *environment* is a list of strings to put into the
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# environment of the command. An optional key *verbose*
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# overrides the global *verbose* setting in this file.
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#
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# Using a single object is not generally useful because the same effect
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# can be obtained with a single string and a global timeout, except
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# when the command needs environment-settings. When there are
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# multiple commands to execute, one of them might have
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# a different timeout than the others.
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#
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# The environment strings should all be "KEY='some value'" strings,
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# as if they can be typed into the shell. Quoting the environment
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# strings with "" in YAML is recommended. Adding the '' quotes ensures
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# that the value will not be interpreted by the shell. Writing
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# environment strings is the same as placing `export KEY='some value' ;`
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# in front of the *command*.
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#
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# Calamares variable expansion is **also** done on the environment strings.
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# Write `$$` to get a literal `$` in the shell command.
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#
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# To change the description of the job, set the *name* entries in *i18n*.
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---
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# Set to true to run in host, rather than target system
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dontChroot: false
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# Tune this for the commands you're actually running, or
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# use the list-of-items form of commands to tune the timeout
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# for each command individually.
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timeout: 10
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# This will copy the output from the command into the Calamares
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# log file. No processing is done beyond log-each-line-separately,
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# so this can introduce weirdness in the log if the script
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# outputs e.g. escape codes.
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#
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# The default is `false`. This can also be set for each
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# command individually.
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verbose: false
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# Script may be a single string (because false returns an error exit
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# code, this will trigger a failure in the installation):
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#
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# script: "/usr/bin/false"
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# Script may be a list of strings (because false returns an error exit
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# code, **but** the command starts with a "-", the error exit is
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# ignored and installation continues):
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#
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# script:
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# - "-/usr/bin/false"
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# - "/bin/ls"
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# - "/usr/bin/true"
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# Script may be a list of items
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# - if the touch command fails, it is ignored
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# - there is nothing special about the invocation of true
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# - the slowloris command has a different timeout from the other commands
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# - the echo command logs its output line-by-line
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script:
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- "-touch ${ROOT}/tmp/thingy"
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- "/usr/bin/true"
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- command: "/usr/local/bin/slowloris"
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timeout: 3600
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- command: "echo -e '\e[33;2mred\e[33;0m' ; echo second line"
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verbose: true
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# You can change the description of the job (as it is displayed in the
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# progress bar during installation) by defining an *i18n* key, which
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# has a *name* field and optionally, translations as *name[lang]*.
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#
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# Without a translation here, the default name from the source code
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# is used, "Shell Processes Job".
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#
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# i18n:
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# name: "Shell process"
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# name[nl]: "Schelpenpad"
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# name[en_GB]: "Just a moment"
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