Make apply accept the -pNUM option like patch does.

This only applies to traditional diffs, not to git diffs.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/git-apply.txt b/Documentation/git-apply.txt
index 51c7d47092010f4275d1de8f074e0cc28e1d5adc..75076b61216c7ee5ce0a55e5a7c578f5f06b6187 100644 (file)
--- a/Documentation/git-apply.txt
+++ b/Documentation/git-apply.txt
@@ -10,7 +10,7 @@ SYNOPSIS
 --------
 [verse]
 'git-apply' [--stat] [--numstat] [--summary] [--check] [--index] [--apply]
-         [--no-add] [--index-info] [--allow-binary-replacement] [-z]
+         [--no-add] [--index-info] [--allow-binary-replacement] [-z] [-pNUM]
          [<patch>...]
 
 DESCRIPTION
@@ -68,6 +68,10 @@ OPTIONS
        backslash characters replaced with `\t`, `\n`, and `\\`,
        respectively.
 
+-p<n>::
+       Remove <n> leading slashes from traditional diff paths. The
+       default is 1.
+
 --apply::
        If you use any of the options marked ``Turns off
        "apply"'' above, git-apply reads and outputs the

diff --git a/apply.c b/apply.c
index c471a82e83691b152c2b80ea25310afef9b0db95..79e23a7fb930ba7b322a0c30dc87c5b394622e49 100644 (file)
--- a/apply.c
+++ b/apply.c
@@ -19,6 +19,7 @@
 static const char *prefix;
 static int prefix_length = -1;
 
+static int p_value = 1;
 static int allow_binary_replacement = 0;
 static int check_index = 0;
 static int write_index = 0;
@@ -31,7 +32,7 @@ static int no_add = 0;
 static int show_index_info = 0;
 static int line_termination = '\n';
 static const char apply_usage[] =
-"git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [-z] <patch>...";
+"git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [-z] [-pNUM] <patch>...";
 
 /*
  * For "diff-stat" like behaviour, we keep track of the biggest change
@@ -217,7 +218,6 @@ static char * find_name(const char *line, char *def, int p_value, int terminate)
  */
 static void parse_traditional_patch(const char *first, const char *second, struct patch *patch)
 {
-       int p_value = 1;
        char *name;
 
        first += 4;     // skip "--- "
@@ -1799,6 +1799,10 @@ int main(int argc, char **argv)
                        excludes = x;
                        continue;
                }
+               if (!strncmp(arg, "-p", 2)) {
+                       p_value = atoi(arg + 2);
+                       continue;
+               }
                if (!strcmp(arg, "--no-add")) {
                        no_add = 1;
                        continue;