[PATCH v13 1/5] stash: add --label-ours, --label-theirs, --label-base for apply
- From
Harald Nordgren via GitGitGadget <gitgitgadget@gmail.com>
- Date
- Apr 15, 2026, 11:11 UTC
- Message-ID
- <43bfdf2136f648235773cd3917b6a9de968531bd.1776251517.git.gitgitgadget@gmail.com>
- In-Reply-To
- <pull.2234.v13.git.git.1776251517.gitgitgadget@gmail.com>
From: Harald Nordgren <haraldnordgren@gmail.com>
Allow callers of "git stash apply" to pass custom labels for conflict markers instead of the default "Updated upstream" and "Stashed changes". Document the new options and add a test.
Signed-off-by: Harald Nordgren <haraldnordgren@gmail.com> --- Documentation/git-stash.adoc | 11 ++++++++++- builtin/stash.c | 28 ++++++++++++++++++++-------- t/t3903-stash.sh | 25 +++++++++++++++++++++++++ xdiff/xmerge.c | 6 +++--- 4 files changed, 58 insertions(+), 12 deletions(-)
diff --git a/Documentation/git-stash.adoc b/Documentation/git-stash.adoc index b05c990ecd..50bb89f483 100644 --- a/Documentation/git-stash.adoc +++ b/Documentation/git-stash.adoc @@ -12,7 +12,7 @@ git stash list [<log-options>] git stash show [-u | --include-untracked | --only-untracked] [<diff-options>] [<stash>] git stash drop [-q | --quiet] [<stash>] git stash pop [--index] [-q | --quiet] [<stash>] -git stash apply [--index] [-q | --quiet] [<stash>] +git stash apply [--index] [-q | --quiet] [--label-ours=<label>] [--label-theirs=<label>] [--label-base=<label>] [<stash>] git stash branch <branchname> [<stash>] git stash [push] [-p | --patch] [-S | --staged] [-k | --[no-]keep-index] [-q | --quiet] [-u | --include-untracked] [-a | --all] [(-m | --message) <message>] @@ -195,6 +195,15 @@ the index's ones. However, this can fail, when you have conflicts (which are stored in the index, where you therefore can no longer apply the changes as they were originally). +`--label-ours=<label>`:: +`--label-theirs=<label>`:: +`--label-base=<label>`:: + These options are only valid for the `apply` command. ++ +Use the given labels in conflict markers instead of the default +"Updated upstream", "Stashed changes", and "Stash base". +`--label-base` only has an effect with merge.conflictStyle=diff3. + `-k`:: `--keep-index`:: `--no-keep-index`:: diff --git a/builtin/stash.c b/builtin/stash.c index 0d27b2fb1f..32dbc97b47 100644 --- a/builtin/stash.c +++ b/builtin/stash.c @@ -44,7 +44,7 @@ #define BUILTIN_STASH_POP_USAGE \ N_("git stash pop [--index] [-q | --quiet] [<stash>]") #define BUILTIN_STASH_APPLY_USAGE \ - N_("git stash apply [--index] [-q | --quiet] [<stash>]") + N_("git stash apply [--index] [-q | --quiet] [--label-ours=<label>] [--label-theirs=<label>] [--label-base=<label>] [<stash>]") #define BUILTIN_STASH_BRANCH_USAGE \ N_("git stash branch <branchname> [<stash>]") #define BUILTIN_STASH_STORE_USAGE \ @@ -591,7 +591,9 @@ static void unstage_changes_unless_new(struct object_id *orig_tree) } static int do_apply_stash(const char *prefix, struct stash_info *info, - int index, int quiet) + int index, int quiet, + const char *label_ours, const char *label_theirs, + const char *label_base) { int clean, ret; int has_index = index; @@ -643,9 +645,9 @@ static int do_apply_stash(const char *prefix, struct stash_info *info, init_ui_merge_options(&o, the_repository); - o.branch1 = "Updated upstream"; - o.branch2 = "Stashed changes"; - o.ancestor = "Stash base"; + o.branch1 = label_ours ? label_ours : "Updated upstream"; + o.branch2 = label_theirs ? label_theirs : "Stashed changes"; + o.ancestor = label_base ? label_base : "Stash base"; if (oideq(&info->b_tree, &c_tree)) o.branch1 = "Version stash was based on"; @@ -723,11 +725,18 @@ static int apply_stash(int argc, const char **argv, const char *prefix, int ret = -1; int quiet = 0; int index = use_index; + const char *label_ours = NULL, *label_theirs = NULL, *label_base = NULL; struct stash_info info = STASH_INFO_INIT; struct option options[] = { OPT__QUIET(&quiet, N_("be quiet, only report errors")), OPT_BOOL(0, "index", &index, N_("attempt to recreate the index")), + OPT_STRING(0, "label-ours", &label_ours, N_("label"), + N_("label for the upstream side in conflict markers")), + OPT_STRING(0, "label-theirs", &label_theirs, N_("label"), + N_("label for the stashed side in conflict markers")), + OPT_STRING(0, "label-base", &label_base, N_("label"), + N_("label for the base in diff3 conflict markers")), OPT_END() }; @@ -737,7 +746,8 @@ static int apply_stash(int argc, const char **argv, const char *prefix, if (get_stash_info(&info, argc, argv)) goto cleanup; - ret = do_apply_stash(prefix, &info, index, quiet); + ret = do_apply_stash(prefix, &info, index, quiet, + label_ours, label_theirs, label_base); cleanup: free_stash_info(&info); return ret; @@ -836,7 +846,8 @@ static int pop_stash(int argc, const char **argv, const char *prefix, if (get_stash_info_assert(&info, argc, argv)) goto cleanup; - if ((ret = do_apply_stash(prefix, &info, index, quiet))) + if ((ret = do_apply_stash(prefix, &info, index, quiet, + NULL, NULL, NULL))) printf_ln(_("The stash entry is kept in case " "you need it again.")); else @@ -877,7 +888,8 @@ static int branch_stash(int argc, const char **argv, const char *prefix, strvec_push(&cp.args, oid_to_hex(&info.b_commit)); ret = run_command(&cp); if (!ret) - ret = do_apply_stash(prefix, &info, 1, 0); + ret = do_apply_stash(prefix, &info, 1, 0, + NULL, NULL, NULL); if (!ret && info.is_stash_ref) ret = do_drop_stash(&info, 0); diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh index 70879941c2..340854bc0a 100755 --- a/t/t3903-stash.sh +++ b/t/t3903-stash.sh @@ -1666,6 +1666,31 @@ test_expect_success 'restore untracked files even when we hit conflicts' ' ) ' +test_expect_success 'apply with custom conflict labels' ' + test_when_finished "git reset --hard && git stash drop" && + git reset --hard && + test_commit label-base conflict-file base-content && + echo stashed >conflict-file && + git stash push -m "stashed" && + test_commit label-upstream conflict-file upstream-content && + test_must_fail git -c merge.conflictStyle=diff3 stash apply --label-ours=UP --label-theirs=STASH && + test_grep "^<<<<<<< UP" conflict-file && + test_grep "^||||||| Stash base" conflict-file && + test_grep "^>>>>>>> STASH" conflict-file +' + +test_expect_success 'apply with empty conflict labels' ' + test_when_finished "git reset --hard && git stash drop" && + git reset --hard && + test_commit empty-label-base conflict-file base-content && + echo stashed >conflict-file && + git stash push -m "stashed" && + test_commit empty-label-upstream conflict-file upstream-content && + test_must_fail git stash apply --label-ours= --label-theirs= && + test_grep "^<<<<<<<$" conflict-file && + test_grep "^>>>>>>>$" conflict-file +' + test_expect_success 'stash create reports a locked index' ' test_when_finished "rm -rf repo" && git init repo && diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c index 29dad98c49..659ad4ec97 100644 --- a/xdiff/xmerge.c +++ b/xdiff/xmerge.c @@ -199,9 +199,9 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1, int size, int i, int style, xdmerge_t *m, char *dest, int marker_size) { - int marker1_size = (name1 ? strlen(name1) + 1 : 0); - int marker2_size = (name2 ? strlen(name2) + 1 : 0); - int marker3_size = (name3 ? strlen(name3) + 1 : 0); + int marker1_size = (name1 && *name1 ? strlen(name1) + 1 : 0); + int marker2_size = (name2 && *name2 ? strlen(name2) + 1 : 0); + int marker3_size = (name3 && *name3 ? strlen(name3) + 1 : 0); int needs_cr = is_cr_needed(xe1, xe2, m); if (marker_size <= 0)
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