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Add function to parse line from run-process.

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It is very common to find a regex match after running a process, so
make a function for this.
This commit is contained in:
Donald Curtis 2012-04-30 15:59:33 -05:00
parent 34c09152d3
commit 2bebebbcd6
1 changed files with 15 additions and 25 deletions
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40
package-build.el
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@ -109,6 +109,15 @@ Output is written to the current buffer."
(error "Program '%s' with args '%s' exited with non-zero status %d"
prog args exit-code)))))
(defun pb/run-process-match (regex dir prog &rest args)
"In DIR (or `default-directory' if unset) run command PROG with
ARGS and find the output that matches REGEX"
(with-temp-buffer
(apply 'pb/run-process dir prog args)
(goto-char (point-min))
(re-search-forward regex)
(match-string-no-properties 1)))
(defun pb/checkout (name config cwd)
"Check out source for package NAME with CONFIG under working dir CWD.
@ -175,11 +184,7 @@ rate limiting."
(defun pb/darcs-repo (dir)
"Get the current darcs repo for DIR."
(with-temp-buffer
(pb/run-process dir "darcs" "show" "repo")
(goto-char (point-min))
(re-search-forward "Default Remote: \\(.*\\)")
(match-string-no-properties 1)))
(pb/run-process-match "Default Remote: \\(.*\\)" dir "darcs" "show" "repo"))
(defun pb/checkout-darcs (name config dir)
"Check package NAME with config CONFIG out of darcs into DIR."
@ -202,11 +207,7 @@ rate limiting."
(defun pb/svn-repo (dir)
"Get the current svn repo for DIR."
(with-temp-buffer
(pb/run-process dir "svn" "info")
(goto-char (point-min))
(re-search-forward "URL: \\(.*\\)")
(match-string-no-properties 1)))
(pb/run-process-match "URL: \\(.*\\)" dir "svn" "info"))
(defun pb/trim (str &optional chr)
(unless chr (setq chr ? ))
@ -241,11 +242,8 @@ rate limiting."
(defun pb/git-repo (dir)
"Get the current git repo for DIR."
(with-temp-buffer
(pb/run-process dir "git" "remote" "show" "-n" "origin")
(goto-char (point-min))
(re-search-forward "Fetch URL: \\(.*\\)")
(match-string-no-properties 1)))
(pb/run-process-match
"Fetch URL: \\(.*\\)" dir "git" "remote" "show" "-n" "origin"))
(defun pb/checkout-git (name config dir)
"Check package NAME with config CONFIG out of git into DIR."
@ -278,11 +276,7 @@ rate limiting."
(defun pb/bzr-repo (dir)
"Get the current bzr repo for DIR."
(with-temp-buffer
(pb/run-process dir "bzr" "info")
(goto-char (point-min))
(re-search-forward "parent branch: \\(.*\\)")
(match-string-no-properties 1)))
(pb/run-process-match "parent branch: \\(.*\\)" dir "bzr" "info"))
(defun pb/checkout-bzr (name config dir)
"Check package NAME with config CONFIG out of bzr into DIR."
@ -306,11 +300,7 @@ rate limiting."
(defun pb/hg-repo (dir)
"Get the current hg repo for DIR."
(with-temp-buffer
(pb/run-process dir "hg" "paths")
(goto-char (point-min))
(re-search-forward "default = \\(.*\\)")
(match-string-no-properties 1)))
(pb/run-process-match "default = \\(.*\\)" dir "hg" "paths"))
(defun pb/checkout-hg (name config dir)
"Check package NAME with config CONFIG out of hg into DIR."