From: Heba Waly <heba.waly@xxxxxxxxx> Display a hint to the user when attempting to delete a checked out branch. Currently the user gets an error message saying: "error: Cannot delete branch <branch> checked out at <path>". The hint will be displayed after the error message. Signed-off-by: Heba Waly <heba.waly@xxxxxxxxx> --- advice.c | 4 +++- advice.h | 1 + builtin/branch.c | 14 ++++++++++++++ t/t3200-branch.sh | 6 ++++-- 4 files changed, 22 insertions(+), 3 deletions(-) diff --git a/advice.c b/advice.c index 249c60dcf3..0a8fd2f68e 100644 --- a/advice.c +++ b/advice.c @@ -31,6 +31,7 @@ int advice_graft_file_deprecated = 1; int advice_checkout_ambiguous_remote_branch_name = 1; int advice_nested_tag = 1; int advice_submodule_alternate_error_strategy_die = 1; +int advice_delete_checkedout_branch = 1; static int advice_use_color = -1; static char advice_colors[][COLOR_MAXLEN] = { @@ -91,7 +92,8 @@ static struct { { "checkoutAmbiguousRemoteBranchName", &advice_checkout_ambiguous_remote_branch_name }, { "nestedTag", &advice_nested_tag }, { "submoduleAlternateErrorStrategyDie", &advice_submodule_alternate_error_strategy_die }, - + { "deleteCheckedoutBranch", &advice_delete_checkedout_branch }, + /* make this an alias for backward compatibility */ { "pushNonFastForward", &advice_push_update_rejected } }; diff --git a/advice.h b/advice.h index b706780614..e75c5ee33c 100644 --- a/advice.h +++ b/advice.h @@ -31,6 +31,7 @@ extern int advice_graft_file_deprecated; extern int advice_checkout_ambiguous_remote_branch_name; extern int advice_nested_tag; extern int advice_submodule_alternate_error_strategy_die; +extern int advice_delete_checkedout_branch; int git_default_advice_config(const char *var, const char *value); __attribute__((format (printf, 1, 2))) diff --git a/builtin/branch.c b/builtin/branch.c index d8297f80ff..d1a9443e36 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -240,6 +240,20 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, error(_("Cannot delete branch '%s' " "checked out at '%s'"), bname.buf, wt->path); + if (advice_delete_checkedout_branch) { + if (wt->is_current) { + advise(_("The branch you are trying to delete is already " + "checked out, run the following command to " + "checkout a different branch then try again:\n" + "git switch <branch>")); + } + else { + advise(_("The branch you are trying to delete is checked " + "out on another worktree, run the following command " + "to checkout a different branch then try again:\n" + "git -C %s switch <branch>"), wt->path); + } + } ret = 1; continue; } diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh index 411a70b0ce..edb01bee45 100755 --- a/t/t3200-branch.sh +++ b/t/t3200-branch.sh @@ -807,8 +807,10 @@ test_expect_success 'test deleting branch without config' ' test_expect_success 'deleting currently checked out branch fails' ' git worktree add -b my7 my7 && - test_must_fail git -C my7 branch -d my7 && - test_must_fail git branch -d my7 && + test_must_fail git -C my7 branch -d my7 2>output1.err && + test_must_fail git branch -d my7 2>output2.err && + test_i18ngrep "hint: The branch you are trying to delete is already checked out" output1.err && + test_i18ngrep "hint: The branch you are trying to delete is checked out on another worktree" output2.err && rm -r my7 && git worktree prune ' -- gitgitgadget