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-rw-r--r--contrib/coccinelle/strbuf.cocci6
-rw-r--r--setup.c2
-rw-r--r--strbuf.c11
-rw-r--r--strbuf.h14
4 files changed, 32 insertions, 1 deletions
diff --git a/contrib/coccinelle/strbuf.cocci b/contrib/coccinelle/strbuf.cocci
index 63995f2..1d580e4 100644
--- a/contrib/coccinelle/strbuf.cocci
+++ b/contrib/coccinelle/strbuf.cocci
@@ -38,3 +38,9 @@ expression E1, E2, E3;
@@
- strbuf_addstr(E1, find_unique_abbrev(E2, E3));
+ strbuf_add_unique_abbrev(E1, E2, E3);
+
+@@
+expression E1, E2;
+@@
+- strbuf_addstr(E1, real_path(E2));
++ strbuf_add_real_path(E1, E2);
diff --git a/setup.c b/setup.c
index fe572b8..5af64ad 100644
--- a/setup.c
+++ b/setup.c
@@ -254,7 +254,7 @@ int get_common_dir_noenv(struct strbuf *sb, const char *gitdir)
if (!is_absolute_path(data.buf))
strbuf_addf(&path, "%s/", gitdir);
strbuf_addbuf(&path, &data);
- strbuf_addstr(sb, real_path(path.buf));
+ strbuf_add_real_path(sb, path.buf);
ret = 1;
} else
strbuf_addstr(sb, gitdir);
diff --git a/strbuf.c b/strbuf.c
index 8fec657..ace58e7 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -707,6 +707,17 @@ void strbuf_add_absolute_path(struct strbuf *sb, const char *path)
strbuf_addstr(sb, path);
}
+void strbuf_add_real_path(struct strbuf *sb, const char *path)
+{
+ if (sb->len) {
+ struct strbuf resolved = STRBUF_INIT;
+ strbuf_realpath(&resolved, path, 1);
+ strbuf_addbuf(sb, &resolved);
+ strbuf_release(&resolved);
+ } else
+ strbuf_realpath(sb, path, 1);
+}
+
int printf_ln(const char *fmt, ...)
{
int ret;
diff --git a/strbuf.h b/strbuf.h
index 2262b12..ab12d39 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -443,6 +443,20 @@ extern int strbuf_getcwd(struct strbuf *sb);
*/
extern void strbuf_add_absolute_path(struct strbuf *sb, const char *path);
+/**
+ * Canonize `path` (make it absolute, resolve symlinks, remove extra
+ * slashes) and append it to `sb`. Die with an informative error
+ * message if there is a problem.
+ *
+ * The directory part of `path` (i.e., everything up to the last
+ * dir_sep) must denote a valid, existing directory, but the last
+ * component need not exist.
+ *
+ * Callers that don't mind links should use the more lightweight
+ * strbuf_add_absolute_path() instead.
+ */
+extern void strbuf_add_real_path(struct strbuf *sb, const char *path);
+
/**
* Normalize in-place the path contained in the strbuf. See