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[Emacs-diffs] master d3a0dde: Improve C and Elisp Git diff hunk headers
From: |
Basil L. Contovounesios |
Subject: |
[Emacs-diffs] master d3a0dde: Improve C and Elisp Git diff hunk headers |
Date: |
Mon, 20 May 2019 11:02:51 -0400 (EDT) |
branch: master
commit d3a0ddedba53b9e2c99274c8ec125d53f991da5d
Author: Basil L. Contovounesios <address@hidden>
Commit: Basil L. Contovounesios <address@hidden>
Improve C and Elisp Git diff hunk headers
For discussion, see the following threads:
https://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00457.html
https://lists.gnu.org/archive/html/emacs-devel/2019-05/msg00369.html
* autogen.sh: Extend the built-in Git xfuncname pattern 'cpp' to
match preprocessor and DEFUN macros, and the 'elisp' pattern to
match cl-lib and other top-level defuns.
---
autogen.sh | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/autogen.sh b/autogen.sh
index f390b1a..d0f60dc 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -315,8 +315,16 @@ git_config transfer.fsckObjects true
# Configure 'git diff' hunk header format.
+# This xfuncname is based on Git's built-in 'cpp' pattern.
+# The first line rejects jump targets and access declarations.
+# The second line matches top-level functions and methods.
+# The third line matches preprocessor and DEFUN macros.
+git_config diff.cpp.xfuncname \
+'!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])
+^((::[[:space:]]*)?[A-Za-z_][A-Za-z_0-9]*[[:space:]]*\(.*)$
+^((#define[[:space:]]|DEFUN).*)$'
git_config diff.elisp.xfuncname \
- '^\(def[^[:space:]]+[[:space:]]+([^()[:space:]]+)'
+ '^\([^[:space:]]*def[^[:space:]]+[[:space:]]+([^()[:space:]]+)'
git_config 'diff.m4.xfuncname' '^((m4_)?define|A._DEFUN(_ONCE)?)\([^),]*'
git_config 'diff.make.xfuncname' \
'^([$.[:alnum:]_].*:|[[:alnum:]_]+[[:space:]]*([*:+]?[:?]?|!?)=|define .*)'
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