(defcustom git-committer-name nil
"User name to use for commits.
-The default is to fall back to `add-log-full-name' and then `user-full-name'."
+The default is to fall back to the repository config, then to `add-log-full-name' and then to `user-full-name'."
:group 'git
:type '(choice (const :tag "Default" nil)
(string :tag "Name")))
(defcustom git-committer-email nil
"Email address to use for commits.
-The default is to fall back to `add-log-mailing-address' and then `user-mail-address'."
+The default is to fall back to the git repository config, then to `add-log-mailing-address' and then to `user-mail-address'."
:group 'git
:type '(choice (const :tag "Default" nil)
(string :tag "Email")))
(append (git-get-env-strings env) (list "git") args))
(apply #'call-process "git" nil buffer nil args)))
+(defun git-call-process-env-string (env &rest args)
+ "Wrapper for call-process that sets environment strings, and returns the process output as a string."
+ (with-temp-buffer
+ (and (eq 0 (apply #' git-call-process-env t env args))
+ (buffer-string))))
+
(defun git-run-process-region (buffer start end program args)
"Run a git process with a buffer region as input."
(let ((output-buffer (current-buffer))
(defun git-get-string-sha1 (string)
"Read a SHA1 from the specified string."
- (let ((pos (string-match "[0-9a-f]\\{40\\}" string)))
- (and pos (substring string pos (match-end 0)))))
+ (and string
+ (string-match "[0-9a-f]\\{40\\}" string)
+ (match-string 0 string)))
(defun git-get-committer-name ()
"Return the name to use as GIT_COMMITTER_NAME."
; copied from log-edit
(or git-committer-name
+ (git-repo-config "user.name")
(and (boundp 'add-log-full-name) add-log-full-name)
(and (fboundp 'user-full-name) (user-full-name))
(and (boundp 'user-full-name) user-full-name)))
"Return the email address to use as GIT_COMMITTER_EMAIL."
; copied from log-edit
(or git-committer-email
+ (git-repo-config "user.email")
(and (boundp 'add-log-mailing-address) add-log-mailing-address)
(and (fboundp 'user-mail-address) (user-mail-address))
(and (boundp 'user-mail-address) user-mail-address)))
(defun git-rev-parse (rev)
"Parse a revision name and return its SHA1."
(git-get-string-sha1
- (with-output-to-string
- (with-current-buffer standard-output
- (git-call-process-env t nil "rev-parse" rev)))))
+ (git-call-process-env-string nil "rev-parse" rev)))
+
+(defun git-repo-config (key)
+ "Retrieve the value associated to KEY in the git repository config file."
+ (let ((str (git-call-process-env-string nil "repo-config" key)))
+ (and str (car (split-string str "\n")))))
(defun git-symbolic-ref (ref)
"Wrapper for the git-symbolic-ref command."
- (car
- (split-string
- (with-output-to-string
- (with-current-buffer standard-output
- (git-call-process-env t nil "symbolic-ref" ref)))
- "\n")))
+ (let ((str (git-call-process-env-string nil "symbolic-ref" ref)))
+ (and str (car (split-string str "\n")))))
(defun git-update-ref (ref val &optional oldval)
"Update a reference by calling git-update-ref."
(defun git-write-tree (&optional index-file)
"Call git-write-tree and return the resulting tree SHA1 as a string."
(git-get-string-sha1
- (with-output-to-string
- (with-current-buffer standard-output
- (git-call-process-env t
- (if index-file `(("GIT_INDEX_FILE" . ,index-file)) nil)
- "write-tree")))))
+ (git-call-process-env-string (and index-file `(("GIT_INDEX_FILE" . ,index-file))) "write-tree")))
(defun git-commit-tree (buffer tree head)
"Call git-commit-tree with buffer as input and return the resulting commit SHA1."
(git-setup-diff-buffer
(apply #'git-run-command-buffer "*git-diff*" "diff-index" "-p" "-M" "HEAD" "--" (git-get-filenames files)))))
+(defun git-diff-file-merge-head (arg)
+ "Diff the marked file(s) against the first merge head (or the nth one with a numeric prefix)."
+ (interactive "p")
+ (let ((files (git-marked-files))
+ (merge-heads (git-get-merge-heads)))
+ (unless merge-heads (error "No merge in progress"))
+ (git-setup-diff-buffer
+ (apply #'git-run-command-buffer "*git-diff*" "diff-index" "-p" "-M"
+ (or (nth (1- arg) merge-heads) "HEAD") "--" (git-get-filenames files)))))
+
(defun git-diff-unmerged-file (stage)
"Diff the marked unmerged file(s) against the specified stage."
(let ((files (git-marked-files)))
(define-key diff-map "=" 'git-diff-file)
(define-key diff-map "e" 'git-diff-file-idiff)
(define-key diff-map "E" 'git-find-file-imerge)
+ (define-key diff-map "h" 'git-diff-file-merge-head)
(define-key diff-map "m" 'git-diff-file-mine)
(define-key diff-map "o" 'git-diff-file-other)
(setq git-status-mode-map map)))