Merge branch 'maint'

[thirdparty/git.git] / git-pull.sh

diff --git a/git-pull.sh b/git-pull.sh
index 246a3a4b373dba87877204c90c9f808dfa93c45c..f6b7b8404896c15487044bcfaa64f758faeeef06 100755 (executable)
--- a/git-pull.sh
+++ b/git-pull.sh
@@ -38,11 +38,12 @@ test -z "$(git ls-files -u)" || die_conflict
 test -f "$GIT_DIR/MERGE_HEAD" && die_merge
 
 strategy_args= diffstat= no_commit= squash= no_ff= ff_only=
-log_arg= verbosity=
+log_arg= verbosity= progress= recurse_submodules=
 merge_args=
 curr_branch=$(git symbolic-ref -q HEAD)
 curr_branch_short="${curr_branch#refs/heads/}"
 rebase=$(git config --bool branch.$curr_branch_short.rebase)
+dry_run=
 while :
 do
        case "$1" in
@@ -50,6 +51,8 @@ do
                verbosity="$verbosity -q" ;;
        -v|--verbose)
                verbosity="$verbosity -v" ;;
+       --progress)
+               progress=--progress ;;
        -n|--no-stat|--no-summary)
                diffstat=--no-stat ;;
        --stat|--summary)
@@ -102,7 +105,16 @@ do
        --no-r|--no-re|--no-reb|--no-reba|--no-rebas|--no-rebase)
                rebase=false
                ;;
-       -h|--h|--he|--hel|--help)
+       --recurse-submodules)
+               recurse_submodules=--recurse-submodules
+               ;;
+       --no-recurse-submodules)
+               recurse_submodules=--no-recurse-submodules
+               ;;
+       --d|--dr|--dry|--dry-|--dry-r|--dry-ru|--dry-run)
+               dry_run=--dry-run
+               ;;
+       -h|--h|--he|--hel|--help|--help-|--help-a|--help-al|--help-all)
                usage
                ;;
        *)
@@ -195,10 +207,7 @@ test true = "$rebase" && {
                        die "updating an unborn branch with changes added to the index"
                fi
        else
-               git update-index --ignore-submodules --refresh &&
-               git diff-files --ignore-submodules --quiet &&
-               git diff-index --ignore-submodules --cached --quiet HEAD -- ||
-               die "refusing to pull with rebase: your working tree is not up-to-date"
+               require_clean_work_tree "pull with rebase" "Please commit or stash them."
        fi
        oldremoteref= &&
        . git-parse-remote &&
@@ -214,7 +223,8 @@ test true = "$rebase" && {
        done
 }
 orig_head=$(git rev-parse -q --verify HEAD)
-git fetch $verbosity --update-head-ok "$@" || exit 1
+git fetch $verbosity $progress $dry_run $recurse_submodules --update-head-ok "$@" || exit 1
+test -z "$dry_run" || exit 0
 
 curr_head=$(git rev-parse -q --verify HEAD)
 if test -n "$orig_head" && test "$curr_head" != "$orig_head"
@@ -266,6 +276,15 @@ then
        exit
 fi
 
+if test true = "$rebase"
+then
+       o=$(git show-branch --merge-base $curr_branch $merge_head $oldremoteref)
+       if test "$oldremoteref" = "$o"
+       then
+               unset oldremoteref
+       fi
+fi
+
 merge_name=$(git fmt-merge-msg $log_arg <"$GIT_DIR/FETCH_HEAD") || exit
 case "$rebase" in
 true)