read-tree: teach 1 and 2 way merges about cache-tree.

diff --git a/mailinfo.c b/mailinfo.c
index 6d8c93360fe084a4209277312a99fbb40d1c04bc..b27651935db85cf0ab651d523c502943d137b7cd 100644 (file)
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -7,11 +7,11 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
+#ifndef NO_ICONV
 #include <iconv.h>
-
-#ifdef NO_STRCASESTR
-extern char *gitstrcasestr(const char *haystack, const char *needle);
 #endif
+#include "git-compat-util.h"
+#include "cache.h"
 
 static FILE *cmitmsg, *patchfile;
 
@@ -42,13 +42,43 @@ static char *sanity_check(char *name, char *email)
        return name;
 }
 
+static int bogus_from(char *line)
+{
+       /* John Doe <johndoe> */
+       char *bra, *ket, *dst, *cp;
+
+       /* This is fallback, so do not bother if we already have an
+        * e-mail address.
+        */ 
+       if (*email)
+               return 0;
+
+       bra = strchr(line, '<');
+       if (!bra)
+               return 0;
+       ket = strchr(bra, '>');
+       if (!ket)
+               return 0;
+
+       for (dst = email, cp = bra+1; cp < ket; )
+               *dst++ = *cp++;
+       *dst = 0;
+       for (cp = line; isspace(*cp); cp++)
+               ;
+       for (bra--; isspace(*bra); bra--)
+               *bra = 0;
+       cp = sanity_check(cp, email);
+       strcpy(name, cp);
+       return 1;
+}
+
 static int handle_from(char *line)
 {
        char *at = strchr(line, '@');
        char *dst;
 
        if (!at)
-               return 0;
+               return bogus_from(line);
 
        /*
         * If we already have one email, don't take any confusing lines
@@ -375,7 +405,7 @@ static unsigned hexval(int c)
        return ~0;
 }
 
-static int decode_q_segment(char *in, char *ot, char *ep)
+static int decode_q_segment(char *in, char *ot, char *ep, int rfc2047)
 {
        int c;
        while ((c = *in++) != 0 && (in <= ep)) {
@@ -384,9 +414,11 @@ static int decode_q_segment(char *in, char *ot, char *ep)
                        if (d == '\n' || !d)
                                break; /* drop trailing newline */
                        *ot++ = ((hexval(d) << 4) | hexval(*in++));
+                       continue;
                }
-               else
-                       *ot++ = c;
+               if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */
+                       c = 0x20;
+               *ot++ = c;
        }
        *ot = 0;
        return 0;
@@ -441,10 +473,11 @@ static int decode_b_segment(char *in, char *ot, char *ep)
 
 static void convert_to_utf8(char *line, char *charset)
 {
+#ifndef NO_ICONV
        char *in, *out;
        size_t insize, outsize, nrc;
        char outbuf[4096]; /* cheat */
-       static char latin_one[] = "latin-1";
+       static char latin_one[] = "latin1";
        char *input_charset = *charset ? charset : latin_one;
        iconv_t conv = iconv_open(metainfo_charset, input_charset);
 
@@ -473,6 +506,7 @@ static void convert_to_utf8(char *line, char *charset)
                return;
        *out = 0;
        strcpy(line, outbuf);
+#endif
 }
 
 static void decode_header_bq(char *it)
@@ -515,7 +549,7 @@ static void decode_header_bq(char *it)
                        sz = decode_b_segment(cp + 3, piecebuf, ep);
                        break;
                case 'q':
-                       sz = decode_q_segment(cp + 3, piecebuf, ep);
+                       sz = decode_q_segment(cp + 3, piecebuf, ep, 1);
                        break;
                }
                if (sz < 0)
@@ -537,7 +571,7 @@ static void decode_transfer_encoding(char *line)
        switch (transfer_encoding) {
        case TE_QP:
                ep = line + strlen(line);
-               decode_q_segment(line, line, ep);
+               decode_q_segment(line, line, ep, 0);
                break;
        case TE_BASE64:
                ep = line + strlen(line);
@@ -679,6 +713,9 @@ static void handle_multipart_body(void)
                if (!len) {
                        if (handle_multipart_one_part() < 0)
                                return;
+                       /* Reset per part headers */
+                       transfer_encoding = TE_DONTCARE;
+                       charset[0] = 0;
                }
                else
                        check_subheader_line(line, len);
@@ -716,29 +753,29 @@ static void handle_body(void)
 }
 
 static const char mailinfo_usage[] =
-       "git-mailinfo [-k] [-u] msg patch <mail >info";
-
-static void usage(void) {
-       fprintf(stderr, "%s\n", mailinfo_usage);
-       exit(1);
-}
+       "git-mailinfo [-k] [-u | --encoding=<encoding>] msg patch <mail >info";
 
 int main(int argc, char **argv)
 {
+       /* NEEDSWORK: might want to do the optional .git/ directory
+        * discovery
+        */
+       git_config(git_default_config);
+
        while (1 < argc && argv[1][0] == '-') {
                if (!strcmp(argv[1], "-k"))
                        keep_subject = 1;
                else if (!strcmp(argv[1], "-u"))
-                       metainfo_charset = "utf-8";
-               else if (!strncmp(argv[1], "-u=", 3))
-                       metainfo_charset = argv[1] + 3;
+                       metainfo_charset = git_commit_encoding;
+               else if (!strncmp(argv[1], "--encoding=", 11))
+                       metainfo_charset = argv[1] + 11;
                else
-                       usage();
+                       usage(mailinfo_usage);
                argc--; argv++;
        }
 
        if (argc != 3)
-               usage();
+               usage(mailinfo_usage);
        cmitmsg = fopen(argv[1], "w");
        if (!cmitmsg) {
                perror(argv[1]);