Merge branch 'jn/scripts-updates'
[gitweb.git] / git-pull.sh
index f0df41c841644208c89230516677db162498be26..97716b885f8d52be465552458374698c4c78a51b 100755 (executable)
@@ -4,7 +4,7 @@
 #
 # Fetch one or more remote refs and merge it/them into the current HEAD.
 
-USAGE='[-n | --no-stat] [--[no-]commit] [--[no-]squash] [--[no-]ff] [-s strategy]... [<fetch-options>] <repo> <head>...'
+USAGE='[-n | --no-stat] [--[no-]commit] [--[no-]squash] [--[no-]ff] [--[no-]rebase|--rebase=preserve] [-s strategy]... [<fetch-options>] <repo> <head>...'
 LONG_USAGE='Fetch one or more remote refs and integrate it/them with the current HEAD.'
 SUBDIRECTORY_OK=Yes
 OPTIONS_SPEC=
@@ -38,15 +38,19 @@ Please, commit your changes before you can merge.")"
 test -z "$(git ls-files -u)" || die_conflict
 test -f "$GIT_DIR/MERGE_HEAD" && die_merge
 
+bool_or_string_config () {
+       git config --bool "$1" 2>/dev/null || git config "$1"
+}
+
 strategy_args= diffstat= no_commit= squash= no_ff= ff_only=
 log_arg= verbosity= progress= recurse_submodules= verify_signatures=
-merge_args= edit=
+merge_args= edit= rebase_args=
 curr_branch=$(git symbolic-ref -q HEAD)
 curr_branch_short="${curr_branch#refs/heads/}"
-rebase=$(git config --bool branch.$curr_branch_short.rebase)
+rebase=$(bool_or_string_config branch.$curr_branch_short.rebase)
 if test -z "$rebase"
 then
-       rebase=$(git config --bool pull.rebase)
+       rebase=$(bool_or_string_config pull.rebase)
 fi
 dry_run=
 while :
@@ -110,6 +114,9 @@ do
                esac
                merge_args="$merge_args$xx "
                ;;
+       -r=*|--r=*|--re=*|--reb=*|--reba=*|--rebas=*|--rebase=*)
+               rebase="${1#*=}"
+               ;;
        -r|--r|--re|--reb|--reba|--rebas|--rebase)
                rebase=true
                ;;
@@ -145,13 +152,27 @@ do
        shift
 done
 
+case "$rebase" in
+preserve)
+       rebase=true
+       rebase_args=--preserve-merges
+       ;;
+true|false|'')
+       ;;
+*)
+       echo "Invalid value for --rebase, should be true, false, or preserve"
+       usage
+       exit 1
+       ;;
+esac
+
 error_on_no_merge_candidates () {
        exec >&2
        for opt
        do
                case "$opt" in
                -t|--t|--ta|--tag|--tags)
-                       echo "Fetching tags only, you probably meant:"
+                       echo "It doesn't make sense to pull all tags; you probably meant:"
                        echo "  git fetch --tags"
                        exit 1
                esac
@@ -166,9 +187,8 @@ error_on_no_merge_candidates () {
                op_prep=with
        fi
 
-       curr_branch=${curr_branch#refs/heads/}
-       upstream=$(git config "branch.$curr_branch.merge")
-       remote=$(git config "branch.$curr_branch.remote")
+       upstream=$(git config "branch.$curr_branch_short.merge")
+       remote=$(git config "branch.$curr_branch_short.remote")
 
        if [ $# -gt 1 ]; then
                if [ "$rebase" = true ]; then
@@ -292,7 +312,7 @@ fi
 merge_name=$(git fmt-merge-msg $log_arg <"$GIT_DIR/FETCH_HEAD") || exit
 case "$rebase" in
 true)
-       eval="git-rebase $diffstat $strategy_args $merge_args $verbosity"
+       eval="git-rebase $diffstat $strategy_args $merge_args $rebase_args $verbosity"
        eval="$eval --onto $merge_head ${oldremoteref:-$merge_head}"
        ;;
 *)