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system: Add 'create-home-directory?' field to <user-account>. 

* gnu/system/shadow.scm (<user-account>)[create-home-directory?]: New
field.
(user-account->gexp): Serialize it.
* gnu/build/activation.scm (activate-users+groups)[activate-user]:
Update 'match-lambda' pattern accordingly.  Pass #:create-home? to
'ensure-user'.
(add-user, modify-user, ensure-user): Add #:create-home? parameter and
honor it.
* doc/guix.texi (User Accounts): Document it.
This commit is contained in:
Ludovic Courtès 2016-08-28 12:53:20 +02:00
parent 3eb2fca612
commit eb56ee027b
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GPG Key ID: 090B11993D9AEBB5
3 changed files with 17 additions and 5 deletions
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4
doc/guix.texi
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@ -7223,6 +7223,10 @@ A comment about the account, such as the account owner's full name.
@item @code{home-directory} @item @code{home-directory}
This is the name of the home directory for the account. This is the name of the home directory for the account.
@item @code{create-home-directory?} (default: @code{#t})
Indicates whether the home directory of this account should be created
if it does not exist yet.
@item @code{shell} (default: Bash) @item @code{shell} (default: Bash)
This is a G-expression denoting the file name of a program to be used as This is a G-expression denoting the file name of a program to be used as
the shell (@pxref{G-Expressions}). the shell (@pxref{G-Expressions}).

15
gnu/build/activation.scm
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@ -110,7 +110,8 @@ owner-writable in HOME."
files))) files)))
(define* (add-user name group (define* (add-user name group
#:key uid comment home shell password system? #:key uid comment home create-home?
shell password system?
(supplementary-groups '()) (supplementary-groups '())
(log-port (current-error-port))) (log-port (current-error-port)))
"Create an account for user NAME part of GROUP, with the specified "Create an account for user NAME part of GROUP, with the specified
@ -139,7 +140,7 @@ properties. Return #t on success."
`("-G" ,(string-join supplementary-groups ",")) `("-G" ,(string-join supplementary-groups ","))
'()) '())
,@(if comment `("-c" ,comment) '()) ,@(if comment `("-c" ,comment) '())
,@(if home ,@(if (and home create-home?)
(if (file-exists? home) (if (file-exists? home)
`("-d" ,home) ; avoid warning from 'useradd' `("-d" ,home) ; avoid warning from 'useradd'
`("-d" ,home "--create-home")) `("-d" ,home "--create-home"))
@ -158,7 +159,8 @@ properties. Return #t on success."
#t))))) #t)))))
(define* (modify-user name group (define* (modify-user name group
#:key uid comment home shell password system? #:key uid comment home create-home?
shell password system?
(supplementary-groups '()) (supplementary-groups '())
(log-port (current-error-port))) (log-port (current-error-port)))
"Modify user account NAME to have all the given settings." "Modify user account NAME to have all the given settings."
@ -186,7 +188,8 @@ logged in."
(zero? (system* "groupdel" name))) (zero? (system* "groupdel" name)))
(define* (ensure-user name group (define* (ensure-user name group
#:key uid comment home shell password system? #:key uid comment home create-home?
shell password system?
(supplementary-groups '()) (supplementary-groups '())
(log-port (current-error-port)) (log-port (current-error-port))
#:rest rest) #:rest rest)
@ -207,7 +210,8 @@ numeric gid or #f."
(define activate-user (define activate-user
(match-lambda (match-lambda
((name uid group supplementary-groups comment home shell password system?) ((name uid group supplementary-groups comment home create-home?
shell password system?)
(let ((profile-dir (string-append "/var/guix/profiles/per-user/" (let ((profile-dir (string-append "/var/guix/profiles/per-user/"
name))) name)))
(ensure-user name group (ensure-user name group
@ -216,6 +220,7 @@ numeric gid or #f."
#:supplementary-groups supplementary-groups #:supplementary-groups supplementary-groups
#:comment comment #:comment comment
#:home home #:home home
#:create-home? create-home?
#:shell shell #:shell shell
#:password password) #:password password)

3
gnu/system/shadow.scm
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@ -78,6 +78,8 @@
(default '())) ; list of strings (default '())) ; list of strings
(comment user-account-comment (default "")) (comment user-account-comment (default ""))
(home-directory user-account-home-directory) (home-directory user-account-home-directory)
(create-home-directory? user-account-create-home-directory? ;Boolean
(default #t))
(shell user-account-shell ; gexp (shell user-account-shell ; gexp
(default #~(string-append #$bash "/bin/bash"))) (default #~(string-append #$bash "/bin/bash")))
(system? user-account-system? ; Boolean (system? user-account-system? ; Boolean
@ -255,6 +257,7 @@ of user '~a' is undeclared")
#$(user-account-supplementary-groups account) #$(user-account-supplementary-groups account)
#$(user-account-comment account) #$(user-account-comment account)
#$(user-account-home-directory account) #$(user-account-home-directory account)
#$(user-account-create-home-directory? account)
,#$(user-account-shell account) ; this one is a gexp ,#$(user-account-shell account) ; this one is a gexp
#$(user-account-password account) #$(user-account-password account)
#$(user-account-system? account))) #$(user-account-system? account)))