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Do not use shell commands to extract version number

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Avoid using 'head', 'sed' or other POSIX commands to extract the version number when Emacs can do it. This allows installing just 'mu', without the extra unix tools in a Windows environment.
This commit is contained in:
Juan Jose Garcia-Ripoll
2020-12-04 16:45:09 +01:00
parent 4eed85187f
commit 03d5640cee
1 changed files with 3 additions and 3 deletions
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6
mu4e/mu4e-proc.el
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@ -243,9 +243,9 @@ backslashes and double-quotes."
"Cannot find mu, please set `mu4e-mu-binary' to the mu executable path")) "Cannot find mu, please set `mu4e-mu-binary' to the mu executable path"))
;; sanity-check 2 ;; sanity-check 2
(let ((version (shell-command-to-string (let ((version (let ((s (shell-command-to-string (concat mu4e-mu-binary " --version"))))
(format "%s --version | head -1 | sed 's/.*version //' | tr -d '\n'" (and (string-match "version \\([.0-9]+\\)" s)
mu4e-mu-binary)))) (match-string 1 s)))))
(unless (string= version mu4e-mu-version) (unless (string= version mu4e-mu-version)
(mu4e-error (mu4e-error
(concat (concat