summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/gitattributes.txt5
-rw-r--r--ll-merge.c10
-rwxr-xr-xt/t6026-merge-attr.sh14
3 files changed, 21 insertions, 8 deletions
diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt
index c892ffa5ce..3de7195bc2 100644
--- a/Documentation/gitattributes.txt
+++ b/Documentation/gitattributes.txt
@@ -774,7 +774,7 @@ To define a custom merge driver `filfre`, add a section to your
----------------------------------------------------------------
[merge "filfre"]
name = feel-free merge driver
- driver = filfre %O %A %B
+ driver = filfre %O %A %B %L %P
recursive = binary
----------------------------------------------------------------
@@ -800,6 +800,9 @@ merge between common ancestors, when there are more than one.
When left unspecified, the driver itself is used for both
internal merge and the final merge.
+The merge driver can learn the pathname in which the merged result
+will be stored via placeholder `%P`.
+
`conflict-marker-size`
^^^^^^^^^^^^^^^^^^^^^^
diff --git a/ll-merge.c b/ll-merge.c
index 8ea03e536a..fc3c049594 100644
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -9,6 +9,7 @@
#include "xdiff-interface.h"
#include "run-command.h"
#include "ll-merge.h"
+#include "quote.h"
struct ll_merge_driver;
@@ -166,17 +167,20 @@ static int ll_ext_merge(const struct ll_merge_driver *fn,
{
char temp[4][50];
struct strbuf cmd = STRBUF_INIT;
- struct strbuf_expand_dict_entry dict[5];
+ struct strbuf_expand_dict_entry dict[6];
+ struct strbuf path_sq = STRBUF_INIT;
const char *args[] = { NULL, NULL };
int status, fd, i;
struct stat st;
assert(opts);
+ sq_quote_buf(&path_sq, path);
dict[0].placeholder = "O"; dict[0].value = temp[0];
dict[1].placeholder = "A"; dict[1].value = temp[1];
dict[2].placeholder = "B"; dict[2].value = temp[2];
dict[3].placeholder = "L"; dict[3].value = temp[3];
- dict[4].placeholder = NULL; dict[4].value = NULL;
+ dict[4].placeholder = "P"; dict[4].value = path_sq.buf;
+ dict[5].placeholder = NULL; dict[5].value = NULL;
if (fn->cmdline == NULL)
die("custom merge driver %s lacks command line.", fn->name);
@@ -210,6 +214,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn,
for (i = 0; i < 3; i++)
unlink_or_warn(temp[i]);
strbuf_release(&cmd);
+ strbuf_release(&path_sq);
return status;
}
@@ -269,6 +274,7 @@ static int read_merge_config(const char *var, const char *value, void *cb)
* %A - temporary file name for our version.
* %B - temporary file name for the other branches' version.
* %L - conflict marker length
+ * %P - the original path (safely quoted for the shell)
*
* The external merge driver should write the results in the
* file named by %A, and signal that it has done with zero exit
diff --git a/t/t6026-merge-attr.sh b/t/t6026-merge-attr.sh
index 5e439972be..e38ebe8bbc 100755
--- a/t/t6026-merge-attr.sh
+++ b/t/t6026-merge-attr.sh
@@ -85,11 +85,12 @@ test_expect_success 'retry the merge with longer context' '
cat >./custom-merge <<\EOF
#!/bin/sh
-orig="$1" ours="$2" theirs="$3" exit="$4"
+orig="$1" ours="$2" theirs="$3" exit="$4" path=$5
(
echo "orig is $orig"
echo "ours is $ours"
echo "theirs is $theirs"
+ echo "path is $path"
echo "=== orig ==="
cat "$orig"
echo "=== ours ==="
@@ -110,7 +111,7 @@ test_expect_success 'custom merge backend' '
git reset --hard anchor &&
git config --replace-all \
- merge.custom.driver "./custom-merge %O %A %B 0" &&
+ merge.custom.driver "./custom-merge %O %A %B 0 %P" &&
git config --replace-all \
merge.custom.name "custom merge driver for testing" &&
@@ -121,7 +122,7 @@ test_expect_success 'custom merge backend' '
o=$(git unpack-file master^:text) &&
a=$(git unpack-file side^:text) &&
b=$(git unpack-file master:text) &&
- sh -c "./custom-merge $o $a $b 0" &&
+ sh -c "./custom-merge $o $a $b 0 'text'" &&
sed -e 1,3d $a >check-2 &&
cmp check-1 check-2 &&
rm -f $o $a $b
@@ -131,7 +132,7 @@ test_expect_success 'custom merge backend' '
git reset --hard anchor &&
git config --replace-all \
- merge.custom.driver "./custom-merge %O %A %B 1" &&
+ merge.custom.driver "./custom-merge %O %A %B 1 %P" &&
git config --replace-all \
merge.custom.name "custom merge driver for testing" &&
@@ -148,9 +149,12 @@ test_expect_success 'custom merge backend' '
o=$(git unpack-file master^:text) &&
a=$(git unpack-file anchor:text) &&
b=$(git unpack-file master:text) &&
- sh -c "./custom-merge $o $a $b 0" &&
+ sh -c "./custom-merge $o $a $b 0 'text'" &&
sed -e 1,3d $a >check-2 &&
cmp check-1 check-2 &&
+ sed -e 1,3d -e 4q $a >check-3 &&
+ echo "path is text" >expect &&
+ cmp expect check-3 &&
rm -f $o $a $b
'