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environment: Rename '--inherit' to '--preserve'.

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Suggested by Eric Bavier and Ricardo Wurmus.

* guix/scripts/environment.scm (show-help, %options): Emit a deprecation
warning for "--inherit" and add -E/--preserve.
* tests/guix-environment.sh: Adjust accordingly.
* doc/guix.texi (Invoking guix environment): Update accordingly.
This commit is contained in:
Ludovic Courtès 2019-03-04 14:19:55 +01:00
parent bab9cc4aff
commit dca5821958
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GPG key ID: 090B11993D9AEBB5
3 changed files with 16 additions and 8 deletions
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9
doc/guix.texi
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@ -4456,17 +4456,18 @@ that will be added to the environment directly.
@item --pure @item --pure
Unset existing environment variables when building the new environment, except Unset existing environment variables when building the new environment, except
those specified with @option{--inherit} (see below.) This has the effect of those specified with @option{--preserve} (see below.) This has the effect of
creating an environment in which search paths only contain package inputs. creating an environment in which search paths only contain package inputs.
@item --inherit=@var{regexp} @item --preserve=@var{regexp}
When used alongside @option{--pure}, inherit all the environment variables @itemx -E @var{regexp}
When used alongside @option{--pure}, preserve the environment variables
matching @var{regexp}---in other words, put them on a ``white list'' of matching @var{regexp}---in other words, put them on a ``white list'' of
environment variables that must be preserved. This option can be repeated environment variables that must be preserved. This option can be repeated
several times. several times.
@example @example
guix environment --pure --inherit=^SLURM --ad-hoc openmpi @dots{} \ guix environment --pure --preserve=^SLURM --ad-hoc openmpi @dots{} \
-- mpirun @dots{} -- mpirun @dots{}
@end example @end example

11
guix/scripts/environment.scm
View file

@ -141,7 +141,7 @@ (define (show-help)
(display (G_ " (display (G_ "
--pure unset existing environment variables")) --pure unset existing environment variables"))
(display (G_ " (display (G_ "
--inherit=REGEXP inherit environment variables that match REGEXP")) -E, --preserve=REGEXP preserve environment variables that match REGEXP"))
(display (G_ " (display (G_ "
--search-paths display needed environment variable definitions")) --search-paths display needed environment variable definitions"))
(display (G_ " (display (G_ "
@ -215,11 +215,18 @@ (define %options
(option '("pure") #f #f (option '("pure") #f #f
(lambda (opt name arg result) (lambda (opt name arg result)
(alist-cons 'pure #t result))) (alist-cons 'pure #t result)))
(option '("inherit") #t #f (option '(#\E "preserve") #t #f
(lambda (opt name arg result) (lambda (opt name arg result)
(alist-cons 'inherit-regexp (alist-cons 'inherit-regexp
(make-regexp* arg) (make-regexp* arg)
result))) result)))
(option '("inherit") #t #f ;deprecated
(lambda (opt name arg result)
(warning (G_ "'--inherit' is deprecated, \
use '--preserve' instead~%"))
(alist-cons 'inherit-regexp
(make-regexp* arg)
result)))
(option '("search-paths") #f #f (option '("search-paths") #f #f
(lambda (opt name arg result) (lambda (opt name arg result)
(alist-cons 'search-paths #t result))) (alist-cons 'search-paths #t result)))

4
tests/guix-environment.sh
View file

@ -49,13 +49,13 @@ test -x `sed -r 's/^export PATH="(.*)"/\1/' "$tmpdir/a"`/guile
cmp "$tmpdir/a" "$tmpdir/b" cmp "$tmpdir/a" "$tmpdir/b"
# Check '--inherit'. # Check '--preserve'.
GUIX_TEST_ABC=1 GUIX_TEST_ABC=1
GUIX_TEST_DEF=2 GUIX_TEST_DEF=2
GUIX_TEST_XYZ=3 GUIX_TEST_XYZ=3
export GUIX_TEST_ABC GUIX_TEST_DEF GUIX_TEST_XYZ export GUIX_TEST_ABC GUIX_TEST_DEF GUIX_TEST_XYZ
guix environment --bootstrap --ad-hoc guile-bootstrap --pure \ guix environment --bootstrap --ad-hoc guile-bootstrap --pure \
--inherit='^GUIX_TEST_A' --inherit='^GUIX_TEST_D' \ --preserve='^GUIX_TEST_A' --preserve='^GUIX_TEST_D' \
-- "$SHELL" -c set > "$tmpdir/a" -- "$SHELL" -c set > "$tmpdir/a"
grep '^PATH=' "$tmpdir/a" grep '^PATH=' "$tmpdir/a"
grep '^GUIX_TEST_ABC=' "$tmpdir/a" grep '^GUIX_TEST_ABC=' "$tmpdir/a"