Log ref changes made by git-fetch and git-pull.

When git-fetch updates a reference record in the associated reflog
what type of update took place and who caused it (git-fetch or
git-pull, by invoking git-fetch).

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-fetch.sh b/git-fetch.sh
index f80299daaaf782064d8892c65e774e1a0917658d..c0d256c98b01a5a1ddfabc7e3e081588cbfa028f 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -11,6 +11,7 @@ LF='
 '
 IFS="$LF"
 
+rloga=fetch
 no_tags=
 tags=
 append=
@@ -51,6 +52,9 @@ do
        -k|--k|--ke|--kee|--keep)
                keep=--keep
                ;;
+       --reflog-action=*)
+               rloga=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+               ;;
        -*)
                usage
                ;;
@@ -75,6 +79,9 @@ refs=
 rref=
 rsync_slurped_objects=
 
+rloga="$rloga $remote_nick"
+test "$remote_nick" == "$remote" || rloga="$rloga $remote"
+
 if test "" = "$append"
 then
        : >"$GIT_DIR/FETCH_HEAD"
@@ -149,11 +156,12 @@ fast_forward_local () {
                        [ "$verbose" ] && echo >&2 "* $1: same as $3"
                else
                        echo >&2 "* $1: updating with $3"
+                       git-update-ref -m "$rloga: updating tag" "$1" "$2"
                fi
        else
                echo >&2 "* $1: storing $3"
+               git-update-ref -m "$rloga: storing tag" "$1" "$2"
        fi
-       git-update-ref "$1" "$2"
        ;;
 
     refs/heads/* | refs/remotes/*)
@@ -174,7 +182,7 @@ fast_forward_local () {
            *,$local)
                echo >&2 "* $1: fast forward to $3"
                echo >&2 "  from $local to $2"
-               git-update-ref "$1" "$2" "$local"
+               git-update-ref -m "$rloga: fast-forward" "$1" "$2" "$local"
                ;;
            *)
                false
@@ -184,7 +192,7 @@ fast_forward_local () {
                case ",$force,$single_force," in
                *,t,*)
                        echo >&2 "  forcing update."
-                       git-update-ref "$1" "$2" "$local"
+                       git-update-ref -m "$rloga: forced-update" "$1" "$2" "$local"
                        ;;
                *)
                        echo >&2 "  not updating."
@@ -194,7 +202,7 @@ fast_forward_local () {
            }
        else
            echo >&2 "* $1: storing $3"
-           git-update-ref "$1" "$2"
+           git-update-ref -m "$rloga: storing head" "$1" "$2"
        fi
        ;;
     esac
@@ -422,7 +430,9 @@ case ",$update_head_ok,$orig_head," in
        curr_head=$(git-rev-parse --verify HEAD 2>/dev/null)
        if test "$curr_head" != "$orig_head"
        then
-               git-update-ref HEAD "$orig_head"
+           git-update-ref \
+                       -m "$rloga: Undoing incorrectly fetched HEAD." \
+                       HEAD "$orig_head"
                die "Cannot fetch into the current branch."
        fi
        ;;

diff --git a/git-pull.sh b/git-pull.sh
index 076785c96b30b4fd8ab944324fd53db7c584567a..d337bf4da31c8a86eeaee7b34b910611100ccca8 100755 (executable)
--- a/git-pull.sh
+++ b/git-pull.sh
@@ -45,7 +45,7 @@ do
 done
 
 orig_head=$(git-rev-parse --verify HEAD) || die "Pulling into a black hole?"
-git-fetch --update-head-ok "$@" || exit 1
+git-fetch --update-head-ok --reflog-action=pull "$@" || exit 1
 
 curr_head=$(git-rev-parse --verify HEAD)
 if test "$curr_head" != "$orig_head"