Remove more sed invocations from within bash completion.

This change removes between 1 and 4 sed invocations per
completion
entered by the user.  In the case of cat-file the 4
invocations per
completion can take a while on Cygwin; running these
replacements
directly within bash saves some time for the end user.

Signed-off-by: Shawn O. Pearce <spearcespearce.org>
---
 contrib/completion/git-completion.bash |   14
+++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/contrib/completion/git-completion.bash
b/contrib/completion/git-completion.bash
index 74be651..f3be132 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
 -83,15
+83,15  __git_remotes ()
 
 __git_complete_file ()
 {
-	local cur="${COMP_WORDS[COMP_CWORD]}"
+	local pfx ls ref cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	?*)
-		local pfx ls ref="$(echo "$cur" | sed
's,:.*$,,')"
-		cur="$(echo "$cur" | sed 's,^.*:,,')"
+		ref="${cur%%}"
+		cur="${cur#*:}"
 		case "$cur" in
 		?*/*)
-			pfx="$(echo "$cur" | sed
's,/[^/]*$,,')"
-			cur="$(echo "$cur" | sed
's,^.*/,,')"
+			pfx="${cur%/*}"
+			cur="${cur##*/}"
 			ls="$ref:$pfx"
 			pfx="$pfx/"
 			;;
 -193,7
+193,7  _git_fetch ()
 	*)
 		case "$cur" in
 		*)
-	        cur=$(echo "$cur" | sed 's/^.*://')
+			cur="${cur#*:}"
 			COMPREPLY=($(compgen -W "$(__git_refs)" --
"$cur"))
 			;;
 		*)
 -287,7
+287,7  _git_push ()
 			git-push)  remote="${COMP_WORDS[1]}" ;;
 			git)       remote="${COMP_WORDS[2]}" ;;
 			esac
-	        cur=$(echo "$cur" | sed 's/^.*://')
+			cur="${cur#*:}"
 			COMPREPLY=($(compgen -W "$(__git_refs
"$remote")" -- "$cur"))
 			;;
 		*)
-- 
1.4.3.3.g9621
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