This option specifies the minimum age of an object before it
may be removed by prune.  The default value is 2 hours and
may be changed using gc.pruneexpire.

Signed-off-by: Matthias Lederhofer <matled@gmx.net>
---
Shawn O. Pearce <spearce@spearce.org> wrote:
quoted text
> If you are going to implement this I would suggest making the default
> age 2 hours and allow the user to configure it from a gc.pruneexpire
> configuration option, much like gc.reflogexpire.

Here it is, I've set the default value to 2 hours as you suggested.
Any other comments if the default should be a value >0 or 0 to keep
the old behaviour?
---
 builtin-prune.c |   25 ++++++++++++++++++++++++-
 1 files changed, 24 insertions(+), 1 deletions(-)

diff --git a/builtin-prune.c b/builtin-prune.c
index 6f0ba0d..f46892d 100644
--- a/builtin-prune.c
+++ b/builtin-prune.c
@@ -5,8 +5,10 @@
 #include "builtin.h"
 #include "reachable.h"
 
-static const char prune_usage[] = "git-prune [-n]";
+static const char prune_usage[] = "git-prune [-n] [--expire=seconds]";
 static int show_only;
+static int prune_expire;
+static time_t now;
 
 static int prune_object(char *path, const char *filename, const unsigned char *sha1)
 {
@@ -38,6 +40,7 @@ static int prune_dir(int i, char *path)
 		char name[100];
 		unsigned char sha1[20];
 		int len = strlen(de->d_name);
+		struct stat st;
 
 		switch (len) {
 		case 2:
@@ -60,6 +63,11 @@ static int prune_dir(int i, char *path)
 			if (lookup_object(sha1))
 				continue;
 
+			if (prune_expire > 0 &&
+			    !stat(mkpath("%s/%s", path, de->d_name), &st) &&
+			    now-st.st_mtime < prune_expire)
+				continue;
+
 			prune_object(path, de->d_name, sha1);
 			continue;
 		}
@@ -79,10 +87,21 @@ static void prune_object_dir(const char *path)
 	}
 }
 
+static void git_prune_config(const char *var, const char *value)
+{
+	if (!strcmp(var, "gc.pruneexpire")) {
+		prune_expire = git_config_int(var, value);
+		return 0;
+	}
+	return git_default_config(var, value);
+}
+
 int cmd_prune(int argc, const char **argv, const char *prefix)
 {
 	int i;
 	struct rev_info revs;
+	prune_expire = 2*60*60;
+	now = time(NULL);
 
 	for (i = 1; i < argc; i++) {
 		const char *arg = argv[i];
@@ -90,6 +109,10 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
 			show_only = 1;
 			continue;
 		}
+		if (!strncmp(arg, "--expire=", 9)) {
+			prune_expire = atoi(arg+9);
+			continue;
+		}
 		usage(prune_usage);
 	}
 
-- 
1.4.4.4

-
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