diff options
-rw-r--r-- | Documentation/gitattributes.txt | 5 | ||||
-rw-r--r-- | ll-merge.c | 10 | ||||
-rwxr-xr-x | t/t6026-merge-attr.sh | 14 |
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 ' |