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[PATCH] Use pathexpand to preparse the relative pathnames in blob references

From
Alex Riesen <raa.lkml@gmail.com>
Date
Dec 18, 2007, 20:52 UTC
Message-ID
<20071218205253.GF2875@steel.home>
In-Reply-To
<20071218204947.GE2875@steel.home>
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
---

This, OTOH, is a bit intrusive and changes the current behaviour a bit too far. git-show cannot use the absolute pathnames in blob locators at all now, which I consider bad. An obvious way to use rev:/path is blocked by Johannes' get_sha1_oneline. It would have worked, though.

 sha1_name.c |   21 +++++++--------------
 1 files changed, 7 insertions(+), 14 deletions(-)
diff --git a/sha1_name.c b/sha1_name.c
index 358aab7..369e7d0 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -661,7 +661,7 @@ int get_sha1_with_mode(const char *name, unsigned char *sha1, unsigned *mode)
 
 int get_sha1_with_prefix(const char *prefix, const char *name, unsigned char *sha1, unsigned *mode)
 {
-	char *prefixpath;
+	char *prefixpath = NULL;
 	int ret, bracket_depth;
 	int namelen = strlen(name);
 	const char *cp;
@@ -671,8 +671,6 @@ int get_sha1_with_prefix(const char *prefix, const char *name, unsigned char *sh
 	if (!ret)
 		return ret;
 
-	prefixpath = prefix ? xmalloc(strlen(prefix) + namelen + 1): NULL;
-
 	/* sha1:path --> object name of path in ent sha1
 	 * :path -> object name of path in index
 	 * :[0-3]:path -> object name of path in index at stage
@@ -694,10 +692,9 @@ int get_sha1_with_prefix(const char *prefix, const char *name, unsigned char *sh
 		namelen = namelen - (cp - name);
 		if (!active_cache)
 			read_cache();
-		if (prefix) {
-			namelen = sprintf(prefixpath, "%s%s", prefix, cp);
-			cp = prefixpath;
-		}
+		prefixpath = pathexpand(prefix, cp);
+		namelen = strlen(prefixpath);
+		cp = prefixpath;
 		pos = cache_name_pos(cp, namelen);
 		if (pos < 0)
 			pos = -pos - 1;
@@ -728,13 +725,9 @@ int get_sha1_with_prefix(const char *prefix, const char *name, unsigned char *sh
 	if (*cp == ':') {
 		unsigned char tree_sha1[20];
 		if (!get_sha1_1(name, cp-name, tree_sha1)) {
-			if (!prefix)
-				ret = get_tree_entry(tree_sha1, cp + 1, sha1, mode);
-			else {
-				sprintf(prefixpath, "%s%s", prefix, cp + 1);
-				ret = get_tree_entry(tree_sha1, prefixpath, sha1, mode);
-				free(prefixpath);
-			}
+			prefixpath = pathexpand(prefix, cp + 1);
+			ret = get_tree_entry(tree_sha1, prefixpath, sha1, mode);
+			free(prefixpath);
 		}
 	}
 	return ret;
-- 
1.5.4.rc0.86.g30f5
Previous: Alex RiesenNext: Dana How
Message 6 of 43 in “log/show: relative pathnames do not work in rev:path”
  1. Alex RiesenDec 18, 2007
  2. Jakub NarebskiDec 18, 2007
  3. Alex RiesenDec 18, 2007
  4. Simple support for tree entry specification with relative pathnamesAlex Riesen, Dec 18, 2007
  5. Introduce pathexpand: syntax-level chdir into the given cwdAlex Riesen, Dec 18, 2007
  6. Use pathexpand to preparse the relative pathnames in blob referencesAlex Riesen, Dec 18, 2007
  7. Dana HowDec 18, 2007
  8. Jeff KingDec 19, 2007
  9. Dana HowDec 18, 2007
  10. Alex RiesenDec 18, 2007
  11. Jakub NarebskiDec 18, 2007
  12. Linus TorvaldsDec 18, 2007
  13. Dana HowDec 18, 2007
  14. Alex RiesenDec 18, 2007
  15. Junio C HamanoDec 18, 2007
  16. Dana HowDec 18, 2007
  17. Johannes SchindelinDec 18, 2007
  18. Junio C HamanoDec 19, 2007
  19. Alex RiesenDec 18, 2007
  20. Johannes SchindelinDec 18, 2007
  21. Dana HowDec 18, 2007
  22. Johannes SchindelinDec 18, 2007
  23. Linus TorvaldsDec 19, 2007
  24. Dana HowDec 19, 2007
  25. Alex RiesenDec 19, 2007
  26. Jakub NarebskiDec 19, 2007
  27. Dana HowDec 19, 2007
  28. Jakub NarebskiDec 19, 2007
  29. sha1_name: grok <revision>:./<relative-path>Johannes Schindelin, Dec 19, 2007
  30. Jeff KingDec 19, 2007
  31. Dana HowDec 19, 2007
  32. Alex RiesenDec 19, 2007
  33. Junio C HamanoDec 20, 2007
  34. Johannes SchindelinDec 20, 2007
  35. Nguyen Thai Ngoc DuyDec 21, 2007
  36. Junio C HamanoDec 21, 2007
  37. Nguyen Thai Ngoc DuyDec 21, 2007
  38. Johannes SchindelinDec 22, 2007
  39. Jakub NarebskiDec 18, 2007
  40. Dana HowDec 18, 2007
  41. Junio C HamanoDec 18, 2007
  42. Jakub NarebskiDec 18, 2007
  43. Alex RiesenDec 19, 2007

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