mergetool: check return value from read

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index d6ddf81d694abd0ec5c16c20e9a90acfbcb753f2..5a8309076dc633f431797c4bd59876490b0d7408 100755 (executable)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1441,8 +1441,9 @@ _git_grep ()
                __gitcomp "
                        --cached
                        --text --ignore-case --word-regexp --invert-match
-                       --full-name
+                       --full-name --line-number
                        --extended-regexp --basic-regexp --fixed-strings
+                       --perl-regexp
                        --files-with-matches --name-only
                        --files-without-match
                        --max-depth
@@ -1534,7 +1535,7 @@ __git_log_common_options="
 __git_log_gitk_options="
        --dense --sparse --full-history
        --simplify-merges --simplify-by-decoration
-       --left-right
+       --left-right --notes --no-notes
 "
 # Options that go well for log and shortlog (not gitk)
 __git_log_shortlog_options="
@@ -2057,7 +2058,7 @@ _git_config ()
                color.ui
                commit.status
                commit.template
-               core.abbrevguard
+               core.abbrev
                core.askpass
                core.attributesfile
                core.autocrlf