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Use "gtar" for "tar" if available.

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BSD tar on OS X doesn't handle certain packages properly,
e.g. "@". Homebrew on OS X installs gnu-tar as "gtar", so we use that
command in preference to "tar" if available.

See #1732
This commit is contained in:
Steve Purcell 2014-07-06 17:55:06 +01:00
parent f6ab31b937
commit 3ba3477384
1 changed files with 9 additions and 1 deletions
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10
package-build.el
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@ -87,6 +87,14 @@ This must be a version which supports the \"-k\" option."
:group 'package-build
:type '(file :must-match t))
(defcustom package-build-tar-executable
(or (executable-find "gtar")
(executable-find "tar"))
"Path to a (preferably GNU) tar command.
Certain package names (e.g. \"@\") may not work properly with a BSD tar."
:group 'package-build
:type '(file :must-match t))
;;; Internal Variables
(defvar pb/recipe-alist nil
@ -555,7 +563,7 @@ Optionally PRETTY-PRINT the data."
(defun pb/create-tar (file dir &optional files)
"Create a tar FILE containing the contents of DIR, or just FILES if non-nil."
(apply 'process-file
"tar" nil
package-build-tar-executable nil
(get-buffer-create "*package-build-checkout*")
nil "-cvf"
file