With this patch, "git gc --no-prune" will not prune any loose (and
dangling) object, and "git gc --prune=5.minutes.ago" will prune
all loose objects older than 5 minutes.
This patch benefitted from suggestions by Thomas Rast and Jan Krüger.
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
Documentation/git-gc.txt | 10 +++++++++-
builtin-gc.c | 19 ++++++++++++-------
t/t5304-prune.sh | 38 ++++++++++++++++++++++++++++++++++++++
3 files changed, 59 insertions(+), 8 deletions(-)
diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt
index 7086eea..b292e98 100644
--- a/Documentation/git-gc.txt
+++ b/Documentation/git-gc.txt
@@ -8,7 +8,7 @@ git-gc - Cleanup unnecessary files and optimize the local repository
SYNOPSIS
--------
-'git gc' [--aggressive] [--auto] [--quiet]
+'git gc' [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune]
DESCRIPTION
-----------
@@ -59,6 +59,14 @@ are consolidated into a single pack by using the `-A` option of
'git-repack'. Setting `gc.autopacklimit` to 0 disables
automatic consolidation of packs.
+--prune=<date>::
+ Prune loose objects older than date (default is 2 weeks ago,
+ overrideable by the config variable `gc.pruneExpire`). This
+ option is on by default.
+
+--no-prune::
+ Do not prune any loose objects.
+
--quiet::
Suppress all progress reports.
diff --git a/builtin-gc.c b/builtin-gc.c
index a201438..8d990ed 100644
--- a/builtin-gc.c
+++ b/builtin-gc.c
@@ -161,7 +161,8 @@ static int need_to_gc(void)
*/
if (too_many_packs())
append_option(argv_repack,
- !strcmp(prune_expire, "now") ? "-a" : "-A",
+ prune_expire && !strcmp(prune_expire, "now") ?
+ "-a" : "-A",
MAX_ADD);
else if (!too_many_loose_objects())
return 0;
@@ -173,14 +174,15 @@ static int need_to_gc(void)
int cmd_gc(int argc, const char **argv, const char *prefix)
{
- int prune = 0;
int aggressive = 0;
int auto_gc = 0;
int quiet = 0;
char buf[80];
struct option builtin_gc_options[] = {
- OPT_BOOLEAN(0, "prune", &prune, "prune unreferenced objects (deprecated)"),
+ { OPTION_STRING, 0, "prune", &prune_expire, "date",
+ "prune unreferenced objects",
+ PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
OPT_BOOLEAN(0, "aggressive", &aggressive, "be more thorough (increased runtime)"),
OPT_BOOLEAN(0, "auto", &auto_gc, "enable auto-gc mode"),
OPT_BOOLEAN('q', "quiet", &quiet, "suppress progress reports"),
@@ -218,7 +220,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
"\"git help gc\" for more information.\n");
} else
append_option(argv_repack,
- !strcmp(prune_expire, "now") ? "-a" : "-A",
+ prune_expire && !strcmp(prune_expire, "now")
+ ? "-a" : "-A",
MAX_ADD);
if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD))
@@ -230,9 +233,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
if (run_command_v_opt(argv_repack, RUN_GIT_CMD))
return error(FAILED_RUN, argv_repack[0]);
- argv_prune[2] = prune_expire;
- if (run_command_v_opt(argv_prune, RUN_GIT_CMD))
- return error(FAILED_RUN, argv_prune[0]);
+ if (prune_expire) {
+ argv_prune[2] = prune_expire;
+ if (run_command_v_opt(argv_prune, RUN_GIT_CMD))
+ return error(FAILED_RUN, argv_prune[0]);
+ }
if (run_command_v_opt(argv_rerere, RUN_GIT_CMD))
return error(FAILED_RUN, argv_rerere[0]);
diff --git a/t/t5304-prune.sh b/t/t5304-prune.sh
index 771c0a0..55ed7c7 100755
--- a/t/t5304-prune.sh
+++ b/t/t5304-prune.sh
@@ -112,4 +112,42 @@ test_expect_success 'prune: do not prune heads listed as an argument' '
'
+test_expect_success 'gc --no-prune' '
+
+ before=$(git count-objects | sed "s/ .*//") &&
+ BLOB=$(echo aleph_0 | git hash-object -w --stdin) &&
+ BLOB_FILE=.git/objects/$(echo $BLOB | sed "s/^../&\//") &&
+ test $((1 + $before)) = $(git count-objects | sed "s/ .*//") &&
+ test -f $BLOB_FILE &&
+ test-chmtime =-$((86400*5001)) $BLOB_FILE &&
+ git config gc.pruneExpire 2.days.ago &&
+ git gc --no-prune &&
+ test 1 = $(git count-objects | sed "s/ .*//") &&
+ test -f $BLOB_FILE
+
+'
+
+test_expect_success 'gc respects gc.pruneExpire' '
+
+ git config gc.pruneExpire 5002.days.ago &&
+ git gc &&
+ test -f $BLOB_FILE &&
+ git config gc.pruneExpire 5000.days.ago &&
+ git gc &&
+ test ! -f $BLOB_FILE
+
+'
+
+test_expect_success 'gc --prune=<date>' '
+
+ BLOB=$(echo aleph_0 | git hash-object -w --stdin) &&
+ BLOB_FILE=.git/objects/$(echo $BLOB | sed "s/^../&\//") &&
+ test-chmtime =-$((86400*5001)) $BLOB_FILE &&
+ git gc --prune=5002.days.ago &&
+ test -f $BLOB_FILE &&
+ git gc --prune=5000.days.ago &&
+ test ! -f $BLOB_FILE
+
+'
+
test_done
--
1.6.2.rc0.367.g7f9a5
