diff options
| -rw-r--r-- | Documentation/git-submodule.txt | 6 | ||||
| -rwxr-xr-x | git-submodule.sh | 14 | ||||
| -rwxr-xr-x | t/t7406-submodule-update.sh | 23 |
3 files changed, 36 insertions, 7 deletions
diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt index 1a16ff6044..5e7a4130ee 100644 --- a/Documentation/git-submodule.txt +++ b/Documentation/git-submodule.txt @@ -186,8 +186,10 @@ OPTIONS -f:: --force:: - This option is only valid for the add command. - Allow adding an otherwise ignored submodule path. + This option is only valid for add and update commands. + When running add, allow adding an otherwise ignored submodule path. + When running update, throw away local changes in submodules when + switching to a different commit. --cached:: This option is only valid for status and summary commands. These diff --git a/git-submodule.sh b/git-submodule.sh index b010a67309..bf110e9cb7 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -8,7 +8,7 @@ dashless=$(basename "$0" | sed -e 's/-/ /') USAGE="[--quiet] add [-b branch] [-f|--force] [--reference <repository>] [--] <repository> [<path>] or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...] or: $dashless [--quiet] init [--] [<path>...] - or: $dashless [--quiet] update [--init] [-N|--no-fetch] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...] + or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...] or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...] or: $dashless [--quiet] foreach [--recursive] <command> or: $dashless [--quiet] sync [--] [<path>...]" @@ -402,6 +402,9 @@ cmd_update() -N|--no-fetch) nofetch=1 ;; + -f|--force) + force=$1 + ;; -r|--rebase) update="rebase" ;; @@ -480,10 +483,11 @@ cmd_update() if test "$subsha1" != "$sha1" then - force= - if test -z "$subsha1" + subforce=$force + # If we don't already have a -f flag and the submodule has never been checked out + if test -z "$subsha1" -a -z "$force" then - force="-f" + subforce="-f" fi if test -z "$nofetch" @@ -515,7 +519,7 @@ cmd_update() msg="merged in" ;; *) - command="git checkout $force -q" + command="git checkout $subforce -q" action="checkout" msg="checked out" ;; diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh index bf7c788735..4f16fcce2b 100755 --- a/t/t7406-submodule-update.sh +++ b/t/t7406-submodule-update.sh @@ -94,6 +94,29 @@ test_expect_success 'submodule update does not fetch already present commits' ' ! test -s actual.err ' +test_expect_success 'submodule update should fail due to local changes' ' + (cd super/submodule && + git reset --hard HEAD~1 && + echo "local change" > file + ) && + (cd super && + (cd submodule && + compare_head + ) && + test_must_fail git submodule update submodule + ) +' +test_expect_success 'submodule update should throw away changes with --force ' ' + (cd super && + (cd submodule && + compare_head + ) && + git submodule update --force submodule && + cd submodule && + ! compare_head + ) +' + test_expect_success 'submodule update --rebase staying on master' ' (cd super/submodule && git checkout master |