X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=t%2Ftest-gc.sh;h=2739ae78ef9e6571d6e6be964063ddebb37b1a4e;hb=ea0cb087050dc86bae886c0b2605b83aa819b7d3;hp=0119f467048f54b58161ebef61055bb59858e851;hpb=f5edecf2297433cd319dcc29e8dcf12f3c2f3b08;p=bup.git

diff --git a/t/test-gc.sh b/t/test-gc.sh
index 0119f46..2739ae7 100755
--- a/t/test-gc.sh
+++ b/t/test-gc.sh
@@ -175,4 +175,67 @@ WVPASS bup restore -C "$tmpdir/restore" /src-ab/latest
 WVPASS compare-trees src-ab/ "$tmpdir/restore/latest/"
 
 
+WVSTART "gc (threshold)"
+
+WVPASS rm -rf "$BUP_DIR"
+WVPASS bup init
+WVPASS rm -rf src && mkdir src
+WVPASS echo 0 > src/0
+WVPASS echo 1 > src/1
+
+WVPASS bup index src
+WVPASS bup save -n src-1 src
+WVPASS rm src/0
+WVPASS bup index src
+WVPASS bup save -n src-2 src
+
+WVPASS bup rm --unsafe src-1
+packs_before="$(ls "$BUP_DIR/objects/pack/"*.pack)" || exit $?
+WVPASS bup gc -v $GC_OPTS --threshold 99 2>&1 | tee gc.log
+packs_after="$(ls "$BUP_DIR/objects/pack/"*.pack)" || exit $?
+WVPASSEQ 0 "$(grep -cE '^rewriting ' gc.log)"
+WVPASSEQ "$packs_before" "$packs_after"
+
+WVPASS bup gc -v $GC_OPTS --threshold 1 2>&1 | tee gc.log
+packs_after="$(ls "$BUP_DIR/objects/pack/"*.pack)" || exit $?
+WVPASSEQ 1 "$(grep -cE '^rewriting ' gc.log)"
+
+# Check that only one pack was rewritten
+
+# Accommodate some systems that apparently used to change the default
+# ls sort order which must match LC_COLLATE for comm to work.
+packs_before="$(sort <(echo "$packs_before"))" || die $?
+packs_after="$(sort <(echo "$packs_after"))" || die $?
+
+only_in_before="$(comm -2 -3 <(echo "$packs_before") <(echo "$packs_after"))" \
+    || die $?
+
+only_in_after="$(comm -1 -3 <(echo "$packs_before") <(echo "$packs_after"))" \
+    || die $?
+
+in_both="$(comm -1 -2 <(echo "$packs_before") <(echo "$packs_after"))" || die $?
+
+WVPASSEQ 1 $(echo "$only_in_before" | wc -l)
+WVPASSEQ 1 $(echo "$only_in_after" | wc -l)
+WVPASSEQ 1 $(echo "$in_both" | wc -l)
+
+WVSTART "gc (threshold 0)"
+
+WVPASS rm -rf "$BUP_DIR"
+WVPASS bup init
+WVPASS rm -rf src && mkdir src
+WVPASS echo 0 > src/0
+WVPASS echo 1 > src/1
+
+WVPASS bup index src
+WVPASS bup save -n src-1 src
+
+packs_before="$(ls "$BUP_DIR/objects/pack/"*.pack)" || exit $?
+WVPASS bup gc -v $GC_OPTS --threshold 0 2>&1 | tee gc.log
+packs_after="$(ls "$BUP_DIR/objects/pack/"*.pack)" || exit $?
+# Check that the pack was rewritten, but not removed (since the
+# result-pack is equal to the source pack)
+WVPASSEQ 1 "$(grep -cE '^rewriting ' gc.log)"
+WVPASSEQ "$packs_before" "$packs_after"
+
 WVPASS rm -rf "$tmpdir"