t9300: factor out portable "head -c" replacement

diff --git a/path.c b/path.c
index bbaea5ab0bf73056dfa74063474f62685fda1d5e..259aeed846bd3dac8e10cde30a22ec1ad8697a63 100644 (file)
--- a/path.c
+++ b/path.c
@@ -5,6 +5,7 @@
 #include "strbuf.h"
 #include "string-list.h"
 #include "dir.h"
+#include "worktree.h"
 
 static int get_st_mode_bits(const char *path, int *mode)
 {
@@ -134,7 +135,7 @@ static struct common_dir common_list[] = {
  * definite
  * definition
  *
- * The trie would look look like:
+ * The trie would look like:
  * root: len = 0, children a and d non-NULL, value = NULL.
  *    a: len = 2, contents = bc, value = (data for "abc")
  *    d: len = 2, contents = ef, children i non-NULL, value = (data for "def")
@@ -383,10 +384,11 @@ static void adjust_git_path(struct strbuf *buf, int git_dir_len)
                update_common_dir(buf, git_dir_len, NULL);
 }
 
-static void do_git_path(struct strbuf *buf, const char *fmt, va_list args)
+static void do_git_path(const struct worktree *wt, struct strbuf *buf,
+                       const char *fmt, va_list args)
 {
        int gitdir_len;
-       strbuf_addstr(buf, get_git_dir());
+       strbuf_addstr(buf, get_worktree_git_dir(wt));
        if (buf->len && !is_dir_sep(buf->buf[buf->len - 1]))
                strbuf_addch(buf, '/');
        gitdir_len = buf->len;
@@ -400,7 +402,7 @@ char *git_path_buf(struct strbuf *buf, const char *fmt, ...)
        va_list args;
        strbuf_reset(buf);
        va_start(args, fmt);
-       do_git_path(buf, fmt, args);
+       do_git_path(NULL, buf, fmt, args);
        va_end(args);
        return buf->buf;
 }
@@ -409,7 +411,7 @@ void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
 {
        va_list args;
        va_start(args, fmt);
-       do_git_path(sb, fmt, args);
+       do_git_path(NULL, sb, fmt, args);
        va_end(args);
 }
 
@@ -418,7 +420,7 @@ const char *git_path(const char *fmt, ...)
        struct strbuf *pathname = get_pathname();
        va_list args;
        va_start(args, fmt);
-       do_git_path(pathname, fmt, args);
+       do_git_path(NULL, pathname, fmt, args);
        va_end(args);
        return pathname->buf;
 }
@@ -428,7 +430,7 @@ char *git_pathdup(const char *fmt, ...)
        struct strbuf path = STRBUF_INIT;
        va_list args;
        va_start(args, fmt);
-       do_git_path(&path, fmt, args);
+       do_git_path(NULL, &path, fmt, args);
        va_end(args);
        return strbuf_detach(&path, NULL);
 }
@@ -454,6 +456,16 @@ const char *mkpath(const char *fmt, ...)
        return cleanup_path(pathname->buf);
 }
 
+const char *worktree_git_path(const struct worktree *wt, const char *fmt, ...)
+{
+       struct strbuf *pathname = get_pathname();
+       va_list args;
+       va_start(args, fmt);
+       do_git_path(wt, pathname, fmt, args);
+       va_end(args);
+       return pathname->buf;
+}
+
 static void do_submodule_path(struct strbuf *buf, const char *path,
                              const char *fmt, va_list args)
 {
@@ -503,6 +515,35 @@ void strbuf_git_path_submodule(struct strbuf *buf, const char *path,
        va_end(args);
 }
 
+static void do_git_common_path(struct strbuf *buf,
+                              const char *fmt,
+                              va_list args)
+{
+       strbuf_addstr(buf, get_git_common_dir());
+       if (buf->len && !is_dir_sep(buf->buf[buf->len - 1]))
+               strbuf_addch(buf, '/');
+       strbuf_vaddf(buf, fmt, args);
+       strbuf_cleanup_path(buf);
+}
+
+const char *git_common_path(const char *fmt, ...)
+{
+       struct strbuf *pathname = get_pathname();
+       va_list args;
+       va_start(args, fmt);
+       do_git_common_path(pathname, fmt, args);
+       va_end(args);
+       return pathname->buf;
+}
+
+void strbuf_git_common_path(struct strbuf *sb, const char *fmt, ...)
+{
+       va_list args;
+       va_start(args, fmt);
+       do_git_common_path(sb, fmt, args);
+       va_end(args);
+}
+
 int validate_headref(const char *path)
 {
        struct stat st;