git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/wt-status.c b/wt-status.c
index c0c247243b562a7579ff780b80dffef4774b60a9..701d13da7c7b2d3de7ca67fbd663d6e9da813151 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -7,9 +7,10 @@
 #include "diff.h"
 #include "revision.h"
 #include "diffcore.h"
+#include "quote.h"
 
 int wt_status_relative_paths = 1;
-int wt_status_use_color = 0;
+int wt_status_use_color = -1;
 static char wt_status_colors[][COLOR_MAXLEN] = {
        "",         /* WT_STATUS_HEADER: normal */
        "\033[32m", /* WT_STATUS_UPDATED: green */
@@ -40,7 +41,7 @@ static int parse_status_slot(const char *var, int offset)
 
 static const char* color(int slot)
 {
-       return wt_status_use_color ? wt_status_colors[slot] : "";
+       return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
 }
 
 void wt_status_prepare(struct wt_status *s)
@@ -60,7 +61,7 @@ static void wt_status_print_cached_header(struct wt_status *s)
 {
        const char *c = color(WT_STATUS_HEADER);
        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
-       if (s->reference) {
+       if (!s->is_initial) {
                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
        } else {
                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
@@ -82,51 +83,7 @@ static void wt_status_print_trailer(struct wt_status *s)
        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 }
 
-static char *quote_path(const char *in, int len,
-                       struct strbuf *out, const char *prefix)
-{
-       if (len < 0)
-               len = strlen(in);
-
-       strbuf_grow(out, len);
-       strbuf_setlen(out, 0);
-       if (prefix) {
-               int off = 0;
-               while (prefix[off] && off < len && prefix[off] == in[off])
-                       if (prefix[off] == '/') {
-                               prefix += off + 1;
-                               in += off + 1;
-                               len -= off + 1;
-                               off = 0;
-                       } else
-                               off++;
-
-               for (; *prefix; prefix++)
-                       if (*prefix == '/')
-                               strbuf_addstr(out, "../");
-       }
-
-       for ( ; len > 0; in++, len--) {
-               int ch = *in;
-
-               switch (ch) {
-               case '\n':
-                       strbuf_addstr(out, "\\n");
-                       break;
-               case '\r':
-                       strbuf_addstr(out, "\\r");
-                       break;
-               default:
-                       strbuf_addch(out, ch);
-                       continue;
-               }
-       }
-
-       if (!out->len)
-               strbuf_addstr(out, "./");
-
-       return out->buf;
-}
+#define quote_path quote_path_relative
 
 static void wt_status_print_filepair(struct wt_status *s,
                                     int t, struct diff_filepair *p)
@@ -217,19 +174,12 @@ static void wt_status_print_changed_cb(struct diff_queue_struct *q,
                wt_status_print_trailer(s);
 }
 
-static void wt_read_cache(struct wt_status *s)
-{
-       discard_cache();
-       read_cache_from(s->index_file);
-}
-
 static void wt_status_print_initial(struct wt_status *s)
 {
        int i;
        struct strbuf buf;
 
        strbuf_init(&buf, 0);
-       wt_read_cache(s);
        if (active_nr) {
                s->commitable = 1;
                wt_status_print_cached_header(s);
@@ -256,7 +206,6 @@ static void wt_status_print_updated(struct wt_status *s)
        rev.diffopt.detect_rename = 1;
        rev.diffopt.rename_limit = 100;
        rev.diffopt.break_opt = 0;
-       wt_read_cache(s);
        run_diff_index(&rev, 1);
 }
 
@@ -268,7 +217,6 @@ static void wt_status_print_changed(struct wt_status *s)
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = wt_status_print_changed_cb;
        rev.diffopt.format_callback_data = s;
-       wt_read_cache(s);
        run_diff_files(&rev, 0);
 }
 
@@ -335,7 +283,6 @@ static void wt_status_print_verbose(struct wt_status *s)
        setup_revisions(0, NULL, &rev, s->reference);
        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
        rev.diffopt.detect_rename = 1;
-       wt_read_cache(s);
        run_diff_index(&rev, 1);
 
        fflush(stdout);
@@ -402,6 +349,8 @@ int git_status_config(const char *k, const char *v)
        }
        if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
                int slot = parse_status_slot(k, 13);
+               if (!v)
+                       return config_error_nonbool(k);
                color_parse(v, k, wt_status_colors[slot]);
                return 0;
        }
@@ -409,5 +358,5 @@ int git_status_config(const char *k, const char *v)
                wt_status_relative_paths = git_config_bool(k, v);
                return 0;
        }
-       return git_default_config(k, v);
+       return git_color_default_config(k, v);
 }