Update send-pack pipeline documentation.

[git.git] / git-fetch.sh

diff --git a/git-fetch.sh b/git-fetch.sh
index ffbd44f0e1ab841e6f6a38295860220b01bb26ea..8bd11f8b60c0ffec8a67f59bc7e12e1f63adfc91 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -4,6 +4,8 @@
 USAGE='<fetch-options> <repository> <refspec>...'
 SUBDIRECTORY_OK=Yes
 . git-sh-setup
+set_reflog_action "fetch $*"
+
 TOP=$(git-rev-parse --show-cdup)
 if test ! -z "$TOP"
 then
@@ -17,7 +19,6 @@ LF='
 '
 IFS="$LF"
 
-rloga=fetch
 no_tags=
 tags=
 append=
@@ -27,6 +28,7 @@ update_head_ok=
 exec=
 upload_pack=
 keep=
+shallow_depth=
 while case "$#" in 0) break ;; esac
 do
        case "$1" in
@@ -59,8 +61,12 @@ do
        -k|--k|--ke|--kee|--keep)
                keep='-k -k'
                ;;
-       --reflog-action=*)
-               rloga=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+       --depth=*)
+               shallow_depth="--depth=`expr "z$1" : 'z-[^=]*=\(.*\)'`"
+               ;;
+       --depth)
+               shift
+               shallow_depth="--depth=$1"
                ;;
        -*)
                usage
@@ -86,9 +92,6 @@ refs=
 rref=
 rsync_slurped_objects=
 
-rloga="$rloga $remote_nick"
-test "$remote_nick" = "$remote" || rloga="$rloga $remote"
-
 if test "" = "$append"
 then
        : >"$GIT_DIR/FETCH_HEAD"
@@ -172,12 +175,12 @@ update_local_ref () {
                else
                        echo >&2 "* $1: updating with $3"
                        echo >&2 "  $label_: $newshort_"
-                       git-update-ref -m "$rloga: updating tag" "$1" "$2"
+                       git-update-ref -m "$GIT_REFLOG_ACTION: updating tag" "$1" "$2"
                fi
        else
                echo >&2 "* $1: storing $3"
                echo >&2 "  $label_: $newshort_"
-               git-update-ref -m "$rloga: storing tag" "$1" "$2"
+               git-update-ref -m "$GIT_REFLOG_ACTION: storing tag" "$1" "$2"
        fi
        ;;
 
@@ -200,7 +203,7 @@ update_local_ref () {
            *,$local)
                echo >&2 "* $1: fast forward to $3"
                echo >&2 "  old..new: $oldshort_..$newshort_"
-               git-update-ref -m "$rloga: fast-forward" "$1" "$2" "$local"
+               git-update-ref -m "$GIT_REFLOG_ACTION: fast-forward" "$1" "$2" "$local"
                ;;
            *)
                false
@@ -210,7 +213,7 @@ update_local_ref () {
                *,t,*)
                        echo >&2 "* $1: forcing update to non-fast forward $3"
                        echo >&2 "  old...new: $oldshort_...$newshort_"
-                       git-update-ref -m "$rloga: forced-update" "$1" "$2" "$local"
+                       git-update-ref -m "$GIT_REFLOG_ACTION: forced-update" "$1" "$2" "$local"
                        ;;
                *)
                        echo >&2 "* $1: not updating to non-fast forward $3"
@@ -222,7 +225,7 @@ update_local_ref () {
        else
            echo >&2 "* $1: storing $3"
            echo >&2 "  $label_: $newshort_"
-           git-update-ref -m "$rloga: storing head" "$1" "$2"
+           git-update-ref -m "$GIT_REFLOG_ACTION: storing head" "$1" "$2"
        fi
        ;;
     esac
@@ -305,6 +308,8 @@ fetch_main () {
       # There are transports that can fetch only one head at a time...
       case "$remote" in
       http://* | https://* | ftp://*)
+         test -n "$shallow_depth" &&
+               die "shallow clone with http not supported"
          proto=`expr "$remote" : '\([^:]*\):'`
          if [ -n "$GIT_SSL_NO_VERIFY" ]; then
              curl_extra_args="-k"
@@ -331,6 +336,8 @@ fetch_main () {
          git-http-fetch -v -a "$head" "$remote/" || exit
          ;;
       rsync://*)
+         test -n "$shallow_depth" &&
+               die "shallow clone with rsync not supported"
          TMP_HEAD="$GIT_DIR/TMP_HEAD"
          rsync -L -q "$remote/$remote_name" "$TMP_HEAD" || exit 1
          head=$(git-rev-parse --verify TMP_HEAD)
@@ -378,7 +385,7 @@ fetch_main () {
       pack_lockfile=
       IFS="    $LF"
       (
-         git-fetch-pack --thin $exec $keep "$remote" $rref || echo failed "$remote"
+         git-fetch-pack --thin $exec $keep $shallow_depth "$remote" $rref || echo failed "$remote"
       ) |
       while read sha1 remote_name
       do
@@ -451,6 +458,8 @@ case "$no_tags$tags" in
        case "$taglist" in
        '') ;;
        ?*)
+               # do not deepen a shallow tree when following tags
+               shallow_depth=
                fetch_main "$taglist" || exit ;;
        esac
 esac
@@ -465,7 +474,7 @@ case "$orig_head" in
        if test "$curr_head" != "$orig_head"
        then
            git-update-ref \
-                       -m "$rloga: Undoing incorrectly fetched HEAD." \
+                       -m "$GIT_REFLOG_ACTION: Undoing incorrectly fetched HEAD." \
                        HEAD "$orig_head"
                die "Cannot fetch into the current branch."
        fi