It is remarkable that libgit.a did not sport this function yet... Let's
move it into a more prominent (and into an actually reusable) spot:
wt-status.[ch].
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
builtin/pull.c | 76 +---------------------------------------------------------
wt-status.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
wt-status.h | 3 +++
3 files changed, 79 insertions(+), 75 deletions(-)
diff --git a/builtin/pull.c b/builtin/pull.c
index a3ed054..14ef8b5 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -17,6 +17,7 @@
#include "revision.h"
#include "tempfile.h"
#include "lockfile.h"
+#include "wt-status.h"
enum rebase_type {
REBASE_INVALID = -1,
@@ -326,81 +327,6 @@ static int git_pull_config(const char *var, const char *value, void *cb)
}
/**
- * Returns 1 if there are unstaged changes, 0 otherwise.
- */
-static int has_unstaged_changes(void)
-{
- struct rev_info rev_info;
- int result;
-
- init_revisions(&rev_info, NULL);
- DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
- DIFF_OPT_SET(&rev_info.diffopt, QUICK);
- diff_setup_done(&rev_info.diffopt);
- result = run_diff_files(&rev_info, 0);
- return diff_result_code(&rev_info.diffopt, result);
-}
-
-/**
- * Returns 1 if there are uncommitted changes, 0 otherwise.
- */
-static int has_uncommitted_changes(void)
-{
- struct rev_info rev_info;
- int result;
-
- if (is_cache_unborn())
- return 0;
-
- init_revisions(&rev_info, NULL);
- DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
- DIFF_OPT_SET(&rev_info.diffopt, QUICK);
- add_head_to_pending(&rev_info);
- diff_setup_done(&rev_info.diffopt);
- result = run_diff_index(&rev_info, 1);
- return diff_result_code(&rev_info.diffopt, result);
-}
-
-/**
- * If the work tree has unstaged or uncommitted changes, dies with the
- * appropriate message.
- */
-static int require_clean_work_tree(const char *action, const char *hint,
- int gently)
-{
- struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
- int err = 0;
-
- hold_locked_index(lock_file, 0);
- refresh_cache(REFRESH_QUIET);
- update_index_if_able(&the_index, lock_file);
- rollback_lock_file(lock_file);
-
- if (has_unstaged_changes()) {
- error(_("Cannot %s: You have unstaged changes."), _(action));
- err = 1;
- }
-
- if (has_uncommitted_changes()) {
- if (err)
- error(_("Additionally, your index contains uncommitted changes."));
- else
- error(_("Cannot %s: Your index contains uncommitted changes."),
- _(action));
- err = 1;
- }
-
- if (err) {
- if (hint)
- error("%s", hint);
- if (!gently)
- exit(err);
- }
-
- return err;
-}
-
-/**
* Appends merge candidates from FETCH_HEAD that are not marked not-for-merge
* into merge_heads.
*/
diff --git a/wt-status.c b/wt-status.c
index 539aac1..9ab9adc 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -16,6 +16,7 @@
#include "strbuf.h"
#include "utf8.h"
#include "worktree.h"
+#include "lockfile.h"
static const char cut_line[] =
"------------------------ >8 ------------------------\n";
@@ -2209,3 +2210,77 @@ void wt_status_print(struct wt_status *s)
break;
}
}
+
+/**
+ * Returns 1 if there are unstaged changes, 0 otherwise.
+ */
+static int has_unstaged_changes(void)
+{
+ struct rev_info rev_info;
+ int result;
+
+ init_revisions(&rev_info, NULL);
+ DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
+ DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+ diff_setup_done(&rev_info.diffopt);
+ result = run_diff_files(&rev_info, 0);
+ return diff_result_code(&rev_info.diffopt, result);
+}
+
+/**
+ * Returns 1 if there are uncommitted changes, 0 otherwise.
+ */
+static int has_uncommitted_changes(void)
+{
+ struct rev_info rev_info;
+ int result;
+
+ if (is_cache_unborn())
+ return 0;
+
+ init_revisions(&rev_info, NULL);
+ DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
+ DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+ add_head_to_pending(&rev_info);
+ diff_setup_done(&rev_info.diffopt);
+ result = run_diff_index(&rev_info, 1);
+ return diff_result_code(&rev_info.diffopt, result);
+}
+
+/**
+ * If the work tree has unstaged or uncommitted changes, dies with the
+ * appropriate message.
+ */
+int require_clean_work_tree(const char *action, const char *hint, int gently)
+{
+ struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
+ int err = 0;
+
+ hold_locked_index(lock_file, 0);
+ refresh_cache(REFRESH_QUIET);
+ update_index_if_able(&the_index, lock_file);
+ rollback_lock_file(lock_file);
+
+ if (has_unstaged_changes()) {
+ error(_("Cannot %s: You have unstaged changes."), _(action));
+ err = 1;
+ }
+
+ if (has_uncommitted_changes()) {
+ if (err)
+ error(_("Additionally, your index contains uncommitted changes."));
+ else
+ error(_("Cannot %s: Your index contains uncommitted changes."),
+ _(action));
+ err = 1;
+ }
+
+ if (err) {
+ if (hint)
+ error("%s", hint);
+ if (!gently)
+ exit(err);
+ }
+
+ return err;
+}
diff --git a/wt-status.h b/wt-status.h
index e401837..03ecf53 100644
--- a/wt-status.h
+++ b/wt-status.h
@@ -128,4 +128,7 @@ void status_printf_ln(struct wt_status *s, const char *color, const char *fmt, .
__attribute__((format (printf, 3, 4)))
void status_printf(struct wt_status *s, const char *color, const char *fmt, ...);
+/* The following function expect that the caller took care of reading the index. */
+int require_clean_work_tree(const char *action, const char *hint, int gently);
+
#endif /* STATUS_H */
--
2.10.0.windows.1.10.g803177d