Add clean.requireForce option, and add -f option to git-clean to override it
[gitweb.git] / git-fetch.sh
index b74dd9a309fedc27ebe53ff3c2106d0412a9f785..832b20cce629cb5753e849fb2a5b60ca707397a0 100755 (executable)
@@ -24,6 +24,9 @@ update_head_ok=
 exec=
 keep=
 shallow_depth=
+no_progress=
+test -t 1 || no_progress=--no-progress
+quiet=
 while case "$#" in 0) break ;; esac
 do
        case "$1" in
@@ -54,6 +57,9 @@ do
        --update-head-o|--update-head-ok)
                update_head_ok=t
                ;;
+       -q|--q|--qu|--qui|--quie|--quiet)
+               quiet=--quiet
+               ;;
        -v|--verbose)
                verbose=Yes
                ;;
@@ -108,18 +114,10 @@ ls_remote_result=$(git ls-remote $exec "$remote") ||
 
 append_fetch_head () {
        flags=
-       test -n "$verbose" && flags="$flags -v"
-       test -n "$force" && flags="$flags -f"
-       GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
-               git-fetch--tool append-fetch-head $flags "$@"
-}
-
-update_local_ref () {
-       flags=
-       test -n "$verbose" && flags="$flags -v"
-       test -n "$force" && flags="$flags -f"
+       test -n "$verbose" && flags="$flags$LF-v"
+       test -n "$force$single_force" && flags="$flags$LF-f"
        GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
-               git-fetch--tool update-local-ref $flags "$@"
+               git-fetch--tool $flags append-fetch-head "$@"
 }
 
 # updating the current HEAD with git-fetch in a bare
@@ -129,6 +127,15 @@ then
        orig_head=$(git-rev-parse --verify HEAD 2>/dev/null)
 fi
 
+# Allow --notags from remote.$1.tagopt
+case "$tags$no_tags" in
+'')
+       case "$(git-config --get "remote.$1.tagopt")" in
+       --no-tags)
+               no_tags=t ;;
+       esac
+esac
+
 # If --tags (and later --heads or --all) is specified, then we are
 # not talking about defaults stored in Pull: line of remotes or
 # branches file, and just fetch those and refspecs explicitly given.
@@ -154,56 +161,64 @@ then
        fi
 fi
 
-fetch_native () {
-  reflist="$1"
-  refs=
-  rref=
-
-  for ref in $reflist
-  do
-      refs="$refs$LF$ref"
-
-      # These are relative path from $GIT_DIR, typically starting at refs/
-      # but may be HEAD
-      if expr "z$ref" : 'z\.' >/dev/null
-      then
-         not_for_merge=t
-         ref=$(expr "z$ref" : 'z\.\(.*\)')
-      else
-         not_for_merge=
-      fi
-      if expr "z$ref" : 'z+' >/dev/null
-      then
-         single_force=t
-         ref=$(expr "z$ref" : 'z+\(.*\)')
-      else
-         single_force=
-      fi
-      remote_name=$(expr "z$ref" : 'z\([^:]*\):')
-      local_name=$(expr "z$ref" : 'z[^:]*:\(.*\)')
+fetch_all_at_once () {
 
-      rref="$rref$LF$remote_name"
-  done
+  eval=$(echo "$1" | git-fetch--tool parse-reflist "-")
+  eval "$eval"
 
     ( : subshell because we muck with IFS
       IFS="    $LF"
       (
-         git-fetch-pack --thin $exec $keep $shallow_depth "$remote" $rref ||
-         echo failed "$remote"
+       if test "$remote" = . ; then
+           git-show-ref $rref || echo failed "$remote"
+       elif test -f "$remote" ; then
+           test -n "$shallow_depth" &&
+               die "shallow clone with bundle is not supported"
+           git-bundle unbundle "$remote" $rref ||
+           echo failed "$remote"
+       else
+               if      test -d "$remote" &&
+
+                       # The remote might be our alternate.  With
+                       # this optimization we will bypass fetch-pack
+                       # altogether, which means we cannot be doing
+                       # the shallow stuff at all.
+                       test ! -f "$GIT_DIR/shallow" &&
+                       test -z "$shallow_depth" &&
+
+                       # See if all of what we are going to fetch are
+                       # connected to our repository's tips, in which
+                       # case we do not have to do any fetch.
+                       theirs=$(git-fetch--tool -s pick-rref \
+                                       "$rref" "$ls_remote_result") &&
+
+                       # This will barf when $theirs reach an object that
+                       # we do not have in our repository.  Otherwise,
+                       # we already have everything the fetch would bring in.
+                       git-rev-list --objects $theirs --not --all \
+                               >/dev/null 2>/dev/null
+               then
+                       git-fetch--tool pick-rref "$rref" "$ls_remote_result"
+               else
+                       git-fetch-pack --thin $exec $keep $shallow_depth \
+                               $quiet $no_progress "$remote" $rref ||
+                       echo failed "$remote"
+               fi
+       fi
       ) |
       (
        flags=
        test -n "$verbose" && flags="$flags -v"
        test -n "$force" && flags="$flags -f"
        GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
-               git-fetch--tool native-store \
-                       $flags "$remote" "$remote_nick" "$refs"
+               git-fetch--tool $flags native-store \
+                       "$remote" "$remote_nick" "$refs"
       )
     ) || exit
 
 }
 
-fetch_dumb () {
+fetch_per_ref () {
   reflist="$1"
   refs=
   rref=
@@ -248,20 +263,13 @@ fetch_dumb () {
          fi
 
          # Find $remote_name from ls-remote output.
-         head=$(
-               IFS='   '
-               echo "$ls_remote_result" |
-               while read sha1 name
-               do
-                       test "z$name" = "z$remote_name" || continue
-                       echo "$sha1"
-                       break
-               done
-         )
+         head=$(git-fetch--tool -s pick-rref \
+                       "$remote_name" "$ls_remote_result")
          expr "z$head" : "z$_x40\$" >/dev/null ||
                die "No such ref $remote_name at $remote"
          echo >&2 "Fetching $remote_name from $remote using $proto"
-         git-http-fetch -v -a "$head" "$remote/" || exit
+         case "$quiet" in '') v=-v ;; *) v= ;; esac
+         git-http-fetch $v -a "$head" "$remote" || exit
          ;;
       rsync://*)
          test -n "$shallow_depth" &&
@@ -270,8 +278,9 @@ fetch_dumb () {
          rsync -L -q "$remote/$remote_name" "$TMP_HEAD" || exit 1
          head=$(git-rev-parse --verify TMP_HEAD)
          rm -f "$TMP_HEAD"
+         case "$quiet" in '') v=-v ;; *) v= ;; esac
          test "$rsync_slurped_objects" || {
-             rsync -av --ignore-existing --exclude info \
+             rsync -a $v --ignore-existing --exclude info \
                  "$remote/objects/" "$GIT_OBJECT_DIRECTORY/" || exit
 
              # Look at objects/info/alternates for rsync -- http will
@@ -307,10 +316,10 @@ fetch_dumb () {
 fetch_main () {
        case "$remote" in
        http://* | https://* | ftp://* | rsync://* )
-               fetch_dumb "$@"
+               fetch_per_ref "$@"
                ;;
        *)
-               fetch_native "$@"
+               fetch_all_at_once "$@"
                ;;
        esac
 }