[PATCH v2 5/5] branch -d: refuse deleting a branch which is currently checked out
From: Kazuki Yamaguchi <hidden>
Date: 2016-06-15 23:08:58
Subsystem:
the rest · Maintainer:
Linus Torvalds
When a branch is checked out by current working tree, deleting the branch is forbidden. However when the branch is checked out only by other working trees, deleting is allowed. Use find_shared_symref() to check if the branch is in use, not just comparing with the current working tree's HEAD. Signed-off-by: Kazuki Yamaguchi <redacted> --- builtin/branch.c | 12 +++++++----- t/t3200-branch.sh | 6 ++++++ 2 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/builtin/branch.c b/builtin/branch.c
index 31eb473d3e6a..e64aa68cf722 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c@@ -20,6 +20,7 @@ #include "utf8.h" #include "wt-status.h" #include "ref-filter.h" +#include "worktree.h" static const char * const builtin_branch_usage[] = { N_("git branch [<options>] [-r | -a] [--merged | --no-merged]"),
@@ -215,16 +216,17 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, int flags = 0; strbuf_branchname(&bname, argv[i]); - if (kinds == FILTER_REFS_BRANCHES && !strcmp(head, bname.buf)) { + free(name); + name = mkpathdup(fmt, bname.buf); + + if (kinds == FILTER_REFS_BRANCHES && + find_shared_symref("HEAD", name)) { error(_("Cannot delete the branch '%s' " - "which you are currently on."), bname.buf); + "which is currently checked out."), bname.buf); ret = 1; continue; } - free(name); - - name = mkpathdup(fmt, bname.buf); target = resolve_ref_unsafe(name, RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE
diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index f7d438bd7d1d..f3e3b6cf2eab 100755
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh@@ -424,6 +424,12 @@ test_expect_success 'test deleting branch without config' ' test_i18ncmp expect actual ' +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_expect_success 'test --track without .fetch entries' ' git branch --track my8 && test "$(git config branch.my8.remote)" &&
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2.8.0.rc4.21.g05df949