Updated git completion. Fixes #299.

completion/available/git.completion.bash

@@ -16,11 +16,17 @@
 #
 # To use these routines:
 #
-#    1) Copy this file to somewhere (e.g. ~/.git-completion.sh).
+#    1) Copy this file to somewhere (e.g. ~/.git-completion.bash).
 #    2) Add the following line to your .bashrc/.zshrc:
-#        source ~/.git-completion.sh
+#        source ~/.git-completion.bash
 #    3) Consider changing your PS1 to also show the current branch,
 #       see git-prompt.sh for details.
+#
+# If you use complex aliases of form '!f() { ... }; f', you can use the null
+# command ':' as the first command in the function body to declare the desired
+# completion style.  For example '!f() { : git commit ; ... }; f' will
+# tell the completion to use commit completion.  This also works with aliases
+# of form "!sh -c '...'".  For example, "!sh -c ': git commit ; ... '".
 
 case "$COMP_WORDBREAKS" in
 *:*) : great ;;
@@ -180,7 +186,7 @@ fi
 
 __gitcompappend ()
 {
-	local i=${#COMPREPLY[@]}
+	local x i=${#COMPREPLY[@]}
 	for x in $1; do
 		if [[ "$x" == "$3"* ]]; then
 			COMPREPLY[i++]="$2$x$4"
@@ -275,16 +281,12 @@ __gitcomp_file ()
 # argument, and using the options specified in the second argument.
 __git_ls_files_helper ()
 {
-	(
-		test -n "${CDPATH+set}" && unset CDPATH
-		cd "$1"
 	if [ "$2" == "--committable" ]; then
-			git diff-index --name-only --relative HEAD
+		git -C "$1" diff-index --name-only --relative HEAD
 	else
 		# NOTE: $2 is not quoted in order to support multiple options
-			git ls-files --exclude-standard $2
+		git -C "$1" ls-files --exclude-standard $2
-		fi
+	fi 2>/dev/null
-	) 2>/dev/null
 }
 
 
@@ -382,7 +384,8 @@ __git_refs ()
 		;;
 	*)
 		echo "HEAD"
-		git for-each-ref --format="%(refname:short)" -- "refs/remotes/$dir/" | sed -e "s#^$dir/##"
+		git for-each-ref --format="%(refname:short)" -- \
+			"refs/remotes/$dir/" 2>/dev/null | sed -e "s#^$dir/##"
 		;;
 	esac
 }
@@ -408,12 +411,9 @@ __git_refs_remotes ()
 
 __git_remotes ()
 {
-	local i IFS=$'\n' d="$(__gitdir)"
+	local d="$(__gitdir)"
 	test -d "$d/remotes" && ls -1 "$d/remotes"
-	for i in $(git --git-dir="$d" config --get-regexp 'remote\..*\.url' 2>/dev/null); do
+	git --git-dir="$d" remote
-		i="${i#remote.}"
-		echo "${i/.url*/}"
-	done
 }
 
 __git_list_merge_strategies ()
@@ -516,7 +516,7 @@ __git_complete_index_file ()
 		;;
 	esac
 
-	__gitcomp_file "$(__git_index_files "$1" "$pfx")" "$pfx" "$cur_"
+	__gitcomp_file "$(__git_index_files "$1" ${pfx:+"$pfx"})" "$pfx" "$cur_"
 }
 
 __git_complete_file ()
@@ -781,6 +781,10 @@ __git_aliased_command ()
 		-*)	: option ;;
 		*=*)	: setting env ;;
 		git)	: git itself ;;
+		\(\))   : skip parens of shell function definition ;;
+		{)	: skip start of shell helper function ;;
+		:)	: skip null command ;;
+		\'*)	: skip opening quote after sh -c ;;
 		*)
 			echo "$word"
 			return
@@ -973,7 +977,7 @@ _git_branch ()
 
 	case "$cur" in
 	--set-upstream-to=*)
-		__gitcomp "$(__git_refs)" "" "${cur##--set-upstream-to=}"
+		__gitcomp_nl "$(__git_refs)" "" "${cur##--set-upstream-to=}"
 		;;
 	--*)
 		__gitcomp "
@@ -1041,7 +1045,7 @@ _git_checkout ()
 
 _git_cherry ()
 {
-	__gitcomp "$(__git_refs)"
+	__gitcomp_nl "$(__git_refs)"
 }
 
 _git_cherry_pick ()
@@ -1165,8 +1169,8 @@ __git_diff_common_options="--stat --numstat --shortstat --summary
 			--full-index --binary --abbrev --diff-filter=
 			--find-copies-harder
 			--text --ignore-space-at-eol --ignore-space-change
-			--ignore-all-space --exit-code --quiet --ext-diff
+			--ignore-all-space --ignore-blank-lines --exit-code
-			--no-ext-diff
+			--quiet --ext-diff --no-ext-diff
 			--no-prefix --src-prefix= --dst-prefix=
 			--inter-hunk-context=
 			--patience --histogram --minimal
@@ -1197,7 +1201,7 @@ _git_diff ()
 }
 
 __git_mergetools_common="diffuse diffmerge ecmerge emerge kdiff3 meld opendiff
-			tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc3 codecompare
+			tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc codecompare
 "
 
 _git_difftool ()
@@ -1298,7 +1302,7 @@ _git_gitk ()
 }
 
 __git_match_ctag() {
-	awk "/^${1////\\/}/ { print \$1 }" "$2"
+	awk "/^${1//\//\\/}/ { print \$1 }" "$2"
 }
 
 _git_grep ()
@@ -1418,7 +1422,7 @@ __git_log_gitk_options="
 # Options that go well for log and shortlog (not gitk)
 __git_log_shortlog_options="
 	--author= --committer= --grep=
-	--all-match
+	--all-match --invert-grep
 "
 
 __git_log_pretty_formats="oneline short medium full fuller email raw format:"
@@ -1457,6 +1461,7 @@ _git_log ()
 			--abbrev-commit --abbrev=
 			--relative-date --date=
 			--pretty= --format= --oneline
+			--show-signature
 			--cherry-pick
 			--graph
 			--decorate --decorate=
@@ -1611,12 +1616,33 @@ _git_pull ()
 
 __git_push_recurse_submodules="check on-demand"
 
+__git_complete_force_with_lease ()
+{
+	local cur_=$1
+
+	case "$cur_" in
+	--*=)
+		;;
+	*:*)
+		__gitcomp_nl "$(__git_refs)" "" "${cur_#*:}"
+		;;
+	*)
+		__gitcomp_nl "$(__git_refs)" "" "$cur_"
+		;;
+	esac
+}
+
 _git_push ()
 {
 	case "$prev" in
 	--repo)
 		__gitcomp_nl "$(__git_remotes)"
 		return
+		;;
+	--recurse-submodules)
+		__gitcomp "$__git_push_recurse_submodules"
+		return
+		;;
 	esac
 	case "$cur" in
 	--repo=*)
@@ -1627,11 +1653,16 @@ _git_push ()
 		__gitcomp "$__git_push_recurse_submodules" "" "${cur##--recurse-submodules=}"
 		return
 		;;
+	--force-with-lease=*)
+		__git_complete_force_with_lease "${cur##--force-with-lease=}"
+		return
+		;;
 	--*)
 		__gitcomp "
-			--all --mirror --tags --dry-run --force
+			--all --mirror --tags --dry-run --force --verbose
-			--force-with-lease --verbose --receive-pack= --repo=
+			--quiet --prune --delete --follow-tags
-			--set-upstream --recurse-submodules=
+			--receive-pack= --repo= --set-upstream
+			--force-with-lease --force-with-lease= --recurse-submodules=
 		"
 		return
 		;;
@@ -1659,6 +1690,7 @@ _git_rebase ()
 			--committer-date-is-author-date --ignore-date
 			--ignore-whitespace --whitespace=
 			--autosquash --fork-point --no-fork-point
+			--autostash
 			"
 
 		return
@@ -1841,6 +1873,10 @@ _git_config ()
 		__gitcomp "$__git_send_email_suppresscc_options"
 		return
 		;;
+	sendemail.transferencoding)
+		__gitcomp "7bit 8bit quoted-printable base64"
+		return
+		;;
 	--get|--get-all|--unset|--unset-all)
 		__gitcomp_nl "$(__git_config_get_set_variables)"
 		return
@@ -1975,6 +2011,7 @@ _git_config ()
 		color.status.changed
 		color.status.header
 		color.status.nobranch
+		color.status.unmerged
 		color.status.untracked
 		color.status.updated
 		color.ui
@@ -2149,6 +2186,7 @@ _git_config ()
 		pull.octopus
 		pull.twohead
 		push.default
+		push.followTags
 		rebase.autosquash
 		rebase.stat
 		receive.autogc
@@ -2308,6 +2346,7 @@ _git_show ()
 		;;
 	--*)
 		__gitcomp "--pretty= --format= --abbrev-commit --oneline
+			--show-signature
 			$__git_diff_common_options
 			"
 		return
@@ -2513,6 +2552,16 @@ _git_tag ()
 		__gitcomp_nl "$(__git_refs)"
 		;;
 	esac
+
+	case "$cur" in
+	--*)
+		__gitcomp "
+			--list --delete --verify --annotate --message --file
+			--sign --cleanup --local-user --force --column --sort
+			--contains --points-at
+			"
+		;;
+	esac
 }
 
 _git_whatchanged ()