sha1_file: add repository argument to open_sha1_file

diff --git a/contrib/git-jump/git-jump b/contrib/git-jump/git-jump
index 427f206a45b326f2ee80af0fae7080d5f794c14a..80ab0590bc92221e2b2f8f35b76f5a0cbb970f8b 100755 (executable)
--- a/contrib/git-jump/git-jump
+++ b/contrib/git-jump/git-jump
@@ -11,7 +11,8 @@ diff: elements are diff hunks. Arguments are given to diff.
 
 merge: elements are merge conflicts. Arguments are ignored.
 
-grep: elements are grep hits. Arguments are given to grep.
+grep: elements are grep hits. Arguments are given to git grep or, if
+      configured, to the command in `jump.grepCmd`.
 
 ws: elements are whitespace errors. Arguments are given to diff --check.
 EOF
@@ -50,7 +51,9 @@ mode_merge() {
 # but let's clean up extra whitespace, so they look better if the
 # editor shows them to us in the status bar.
 mode_grep() {
-       git grep -n "$@" |
+       cmd=$(git config jump.grepCmd)
+       test -n "$cmd" || cmd="git grep -n"
+       $cmd "$@" |
        perl -pe '
        s/[ \t]+/ /g;
        s/^ *//;