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-rw-r--r--Documentation/config.txt7
-rw-r--r--color.c12
-rw-r--r--graph.c40
-rwxr-xr-xt/t3701-add-interactive.sh14
-rwxr-xr-xt/t4026-color.sh7
-rwxr-xr-xt/t4202-log.sh22
6 files changed, 97 insertions, 5 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index af2ae4c..fc78139 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -170,6 +170,9 @@ The position of any attributes with respect to the colors
be turned off by prefixing them with `no` or `no-` (e.g., `noreverse`,
`no-ul`, etc).
+
+An empty color string produces no color effect at all. This can be used
+to avoid coloring specific elements without disabling color entirely.
++
For git's pre-defined color slots, the attributes are meant to be reset
at the beginning of each item in the colored output. So setting
`color.decorate.branch` to `black` will paint that branch name in a
@@ -2036,6 +2039,10 @@ log.follow::
i.e. it cannot be used to follow multiple files and does not work well
on non-linear history.
+log.graphColors::
+ A list of colors, separated by commas, that can be used to draw
+ history lines in `git log --graph`.
+
log.showRoot::
If true, the initial commit will be shown as a big creation event.
This is equivalent to a diff against an empty tree.
diff --git a/color.c b/color.c
index 1b95e6b..dee6155 100644
--- a/color.c
+++ b/color.c
@@ -207,7 +207,17 @@ int color_parse_mem(const char *value, int value_len, char *dst)
struct color fg = { COLOR_UNSPECIFIED };
struct color bg = { COLOR_UNSPECIFIED };
- if (!strncasecmp(value, "reset", len)) {
+ while (len > 0 && isspace(*ptr)) {
+ ptr++;
+ len--;
+ }
+
+ if (!len) {
+ dst[0] = '\0';
+ return 0;
+ }
+
+ if (!strncasecmp(ptr, "reset", len)) {
xsnprintf(dst, end - dst, GIT_COLOR_RESET);
return 0;
}
diff --git a/graph.c b/graph.c
index d4e8519..0649007 100644
--- a/graph.c
+++ b/graph.c
@@ -3,6 +3,7 @@
#include "color.h"
#include "graph.h"
#include "revision.h"
+#include "argv-array.h"
/* Internal API */
@@ -79,6 +80,26 @@ static void graph_show_line_prefix(const struct diff_options *diffopt)
static const char **column_colors;
static unsigned short column_colors_max;
+static void parse_graph_colors_config(struct argv_array *colors, const char *string)
+{
+ const char *end, *start;
+
+ start = string;
+ end = string + strlen(string);
+ while (start < end) {
+ const char *comma = strchrnul(start, ',');
+ char color[COLOR_MAXLEN];
+
+ if (!color_parse_mem(start, comma - start, color))
+ argv_array_push(colors, color);
+ else
+ warning(_("ignore invalid color '%.*s' in log.graphColors"),
+ (int)(comma - start), start);
+ start = comma + 1;
+ }
+ argv_array_push(colors, GIT_COLOR_RESET);
+}
+
void graph_set_column_colors(const char **colors, unsigned short colors_max)
{
column_colors = colors;
@@ -238,9 +259,22 @@ struct git_graph *graph_init(struct rev_info *opt)
{
struct git_graph *graph = xmalloc(sizeof(struct git_graph));
- if (!column_colors)
- graph_set_column_colors(column_colors_ansi,
- column_colors_ansi_max);
+ if (!column_colors) {
+ char *string;
+ if (git_config_get_string("log.graphcolors", &string)) {
+ /* not configured -- use default */
+ graph_set_column_colors(column_colors_ansi,
+ column_colors_ansi_max);
+ } else {
+ static struct argv_array custom_colors = ARGV_ARRAY_INIT;
+ argv_array_clear(&custom_colors);
+ parse_graph_colors_config(&custom_colors, string);
+ free(string);
+ /* graph_set_column_colors takes a max-index, not a count */
+ graph_set_column_colors(custom_colors.argv,
+ custom_colors.argc - 1);
+ }
+ }
graph->commit = NULL;
graph->revs = opt;
diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index deae948..5ffe78e 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -380,4 +380,18 @@ test_expect_success 'patch mode ignores unmerged entries' '
test_cmp expected diff
'
+test_expect_success 'diffs can be colorized' '
+ git reset --hard &&
+
+ # force color even though the test script has no terminal
+ test_config color.ui always &&
+
+ echo content >test &&
+ printf y | git add -p >output 2>&1 &&
+
+ # We do not want to depend on the exact coloring scheme
+ # git uses for diffs, so just check that we saw some kind of color.
+ grep "$(printf "\\033")" output
+'
+
test_done
diff --git a/t/t4026-color.sh b/t/t4026-color.sh
index ec78c5e..671e951 100755
--- a/t/t4026-color.sh
+++ b/t/t4026-color.sh
@@ -6,10 +6,11 @@
test_description='Test diff/status color escape codes'
. ./test-lib.sh
+ESC=$(printf '\033')
color()
{
actual=$(git config --get-color no.such.slot "$1") &&
- test "$actual" = "$2"
+ test "$actual" = "${2:+$ESC}$2"
}
invalid_color()
@@ -21,6 +22,10 @@ test_expect_success 'reset' '
color "reset" "[m"
'
+test_expect_success 'empty color is empty' '
+ color "" ""
+'
+
test_expect_success 'attribute before color name' '
color "bold red" "[1;31m"
'
diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index 1ccbd59..08ea725 100755
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -359,6 +359,28 @@ test_expect_success 'log --graph --line-prefix="| | | " with merge' '
test_cmp expect actual
'
+cat > expect.colors <<\EOF
+* Merge branch 'side'
+<BLUE>|<RESET><CYAN>\<RESET>
+<BLUE>|<RESET> * side-2
+<BLUE>|<RESET> * side-1
+* <CYAN>|<RESET> Second
+* <CYAN>|<RESET> sixth
+* <CYAN>|<RESET> fifth
+* <CYAN>|<RESET> fourth
+<CYAN>|<RESET><CYAN>/<RESET>
+* third
+* second
+* initial
+EOF
+
+test_expect_success 'log --graph with merge with log.graphColors' '
+ test_config log.graphColors " blue,invalid-color, cyan, red , " &&
+ git log --color=always --graph --date-order --pretty=tformat:%s |
+ test_decode_color | sed "s/ *\$//" >actual &&
+ test_cmp expect.colors actual
+'
+
test_expect_success 'log --raw --graph -m with merge' '
git log --raw --graph --oneline -m master | head -n 500 >actual &&
grep "initial" actual