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utils: Set $0 to basename of command in `wrap-program'.

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* guix/build/utils.scm (wrap-program): Set the value of the -a option of
`exec' in the wrapper to ${0##*/} instead of $0, to use its base name instead
of the complete file name.

Fixes: https://issues.guix.gnu.org/73405
Change-Id: Iec5984d4d934c8df88a90ff653947f7d07413ae4
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Maxim Cournoyer 2024-09-22 15:06:18 +09:00 • committed by Andreas Enge
parent 84a7b73515
commit df94888eca
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1 changed files with 2 additions and 2 deletions
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guix/build/utils.scm
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@ -1355,7 +1355,7 @@ contents:
#!location/of/bin/bash
export PATH=\"/gnu/.../bar/bin\"
export CERT_PATH=\"$CERT_PATH${CERT_PATH:+:}/gnu/.../baz/certs:/qux/certs\"
exec -a $0 location/of/.foo-real \"$@\"
exec -a \"${0##*/}\" location/of/.foo-real \"$@\"
This is useful for scripts that expect particular programs to be in $PATH, for
programs that expect particular shared libraries to be in $LD_LIBRARY_PATH, or
@ -1432,7 +1432,7 @@ with definitions for VARS. If it is not, SH will be used as interpreter."
(call-with-output-file prog-tmp
(lambda (port)
(format port
"#!~a~%~a~%exec -a \"$0\" \"~a\" \"$@\"~%"
"#!~a~%~a~%exec -a \"${0##*/}\" \"~a\" \"$@\"~%"
sh
(string-join (map export-variable vars/filtered) "\n")
(canonicalize-path wrapped-file))))