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-rwxr-xr-xt/t4211-line-log.sh318
1 files changed, 318 insertions, 0 deletions
diff --git a/t/t4211-line-log.sh b/t/t4211-line-log.sh
new file mode 100755
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+#!/bin/sh
+
+test_description='test log -L'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+test_expect_success 'setup (import history)' '
+ git fast-import < "$TEST_DIRECTORY"/t4211/history.export &&
+ git reset --hard
+'
+
+test_expect_success 'basic command line parsing' '
+ # This may fail due to "no such path a.c in commit", or
+ # "-L is incompatible with pathspec", depending on the
+ # order the error is checked. Either is acceptable.
+ test_must_fail git log -L1,1:a.c -- a.c &&
+
+ # -L requires there is no pathspec
+ test_must_fail git log -L1,1:b.c -- b.c 2>error &&
+ test_i18ngrep "cannot be used with pathspec" error &&
+
+ # This would fail because --follow wants a single path, but
+ # we may fail due to incompatibility between -L/--follow in
+ # the future. Either is acceptable.
+ test_must_fail git log -L1,1:b.c --follow &&
+ test_must_fail git log --follow -L1,1:b.c &&
+
+ # This would fail because -L wants no pathspec, but
+ # we may fail due to incompatibility between -L/--follow in
+ # the future. Either is acceptable.
+ test_must_fail git log --follow -L1,1:b.c -- b.c
+'
+
+canned_test_1 () {
+ test_expect_$1 "$2" "
+ git log $2 >actual &&
+ test_cmp \"\$TEST_DIRECTORY\"/t4211/$(test_oid algo)/expect.$3 actual
+ "
+}
+
+canned_test () {
+ canned_test_1 success "$@"
+}
+canned_test_failure () {
+ canned_test_1 failure "$@"
+}
+
+test_bad_opts () {
+ test_expect_success "invalid args: $1" "
+ test_must_fail git log $1 2>errors &&
+ test_i18ngrep '$2' errors
+ "
+}
+
+canned_test "-L 4,12:a.c simple" simple-f
+canned_test "-L 4,+9:a.c simple" simple-f
+canned_test "-L '/long f/,/^}/:a.c' simple" simple-f
+canned_test "-L :f:a.c simple" simple-f-to-main
+
+canned_test "-L '/main/,/^}/:a.c' simple" simple-main
+canned_test "-L :main:a.c simple" simple-main-to-end
+
+canned_test "-L 1,+4:a.c simple" beginning-of-file
+
+canned_test "-L 20:a.c simple" end-of-file
+
+canned_test "-L '/long f/',/^}/:a.c -L /main/,/^}/:a.c simple" two-ranges
+canned_test "-L 24,+1:a.c simple" vanishes-early
+
+canned_test "-M -L '/long f/,/^}/:b.c' move-support" move-support-f
+canned_test "-M -L ':f:b.c' parallel-change" parallel-change-f-to-main
+
+canned_test "-L 4,12:a.c -L :main:a.c simple" multiple
+canned_test "-L 4,18:a.c -L ^:main:a.c simple" multiple-overlapping
+canned_test "-L :main:a.c -L 4,18:a.c simple" multiple-overlapping
+canned_test "-L 4:a.c -L 8,12:a.c simple" multiple-superset
+canned_test "-L 8,12:a.c -L 4:a.c simple" multiple-superset
+
+test_bad_opts "-L" "switch.*requires a value"
+test_bad_opts "-L b.c" "argument not .start,end:file"
+test_bad_opts "-L 1:" "argument not .start,end:file"
+test_bad_opts "-L 1:nonexistent" "There is no path"
+test_bad_opts "-L 1:simple" "There is no path"
+test_bad_opts "-L '/foo:b.c'" "argument not .start,end:file"
+test_bad_opts "-L 1000:b.c" "has only.*lines"
+test_bad_opts "-L :b.c" "argument not .start,end:file"
+test_bad_opts "-L :foo:b.c" "no match"
+
+test_expect_success '-L X (X == nlines)' '
+ n=$(wc -l <b.c) &&
+ git log -L $n:b.c
+'
+
+test_expect_success '-L X (X == nlines + 1)' '
+ n=$(expr $(wc -l <b.c) + 1) &&
+ test_must_fail git log -L $n:b.c
+'
+
+test_expect_success '-L X (X == nlines + 2)' '
+ n=$(expr $(wc -l <b.c) + 2) &&
+ test_must_fail git log -L $n:b.c
+'
+
+test_expect_success '-L ,Y (Y == nlines)' '
+ n=$(printf "%d" $(wc -l <b.c)) &&
+ git log -L ,$n:b.c
+'
+
+test_expect_success '-L ,Y (Y == nlines + 1)' '
+ n=$(expr $(wc -l <b.c) + 1) &&
+ git log -L ,$n:b.c
+'
+
+test_expect_success '-L ,Y (Y == nlines + 2)' '
+ n=$(expr $(wc -l <b.c) + 2) &&
+ git log -L ,$n:b.c
+'
+
+test_expect_success '-L with --first-parent and a merge' '
+ git checkout parallel-change &&
+ git log --first-parent -L 1,1:b.c
+'
+
+test_expect_success '-L with --output' '
+ git checkout parallel-change &&
+ git log --output=log -L :main:b.c >output &&
+ test_must_be_empty output &&
+ test_line_count = 70 log
+'
+
+test_expect_success 'range_set_union' '
+ test_seq 500 > c.c &&
+ git add c.c &&
+ git commit -m "many lines" &&
+ test_seq 1000 > c.c &&
+ git add c.c &&
+ git commit -m "modify many lines" &&
+ git log $(for x in $(test_seq 200); do echo -L $((2*x)),+1:c.c || return 1; done)
+'
+
+test_expect_success '-s shows only line-log commits' '
+ git log --format="commit %s" -L1,24:b.c >expect.raw &&
+ grep ^commit expect.raw >expect &&
+ git log --format="commit %s" -L1,24:b.c -s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '-p shows the default patch output' '
+ git log -L1,24:b.c >expect &&
+ git log -L1,24:b.c -p >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '--raw is forbidden' '
+ test_must_fail git log -L1,24:b.c --raw
+'
+
+test_expect_success 'setup for checking fancy rename following' '
+ git checkout --orphan moves-start &&
+ git reset --hard &&
+
+ printf "%s\n" 12 13 14 15 b c d e >file-1 &&
+ printf "%s\n" 22 23 24 25 B C D E >file-2 &&
+ git add file-1 file-2 &&
+ test_tick &&
+ git commit -m "Add file-1 and file-2" &&
+ oid_add_f1_f2=$(git rev-parse --short HEAD) &&
+
+ git checkout -b moves-main &&
+ printf "%s\n" 11 12 13 14 15 b c d e >file-1 &&
+ git commit -a -m "Modify file-1 on main" &&
+ oid_mod_f1_main=$(git rev-parse --short HEAD) &&
+
+ printf "%s\n" 21 22 23 24 25 B C D E >file-2 &&
+ git commit -a -m "Modify file-2 on main #1" &&
+ oid_mod_f2_main_1=$(git rev-parse --short HEAD) &&
+
+ git mv file-1 renamed-1 &&
+ git commit -m "Rename file-1 to renamed-1 on main" &&
+
+ printf "%s\n" 11 12 13 14 15 b c d e f >renamed-1 &&
+ git commit -a -m "Modify renamed-1 on main" &&
+ oid_mod_r1_main=$(git rev-parse --short HEAD) &&
+
+ printf "%s\n" 21 22 23 24 25 B C D E F >file-2 &&
+ git commit -a -m "Modify file-2 on main #2" &&
+ oid_mod_f2_main_2=$(git rev-parse --short HEAD) &&
+
+ git checkout -b moves-side moves-start &&
+ printf "%s\n" 12 13 14 15 16 b c d e >file-1 &&
+ git commit -a -m "Modify file-1 on side #1" &&
+ oid_mod_f1_side_1=$(git rev-parse --short HEAD) &&
+
+ printf "%s\n" 22 23 24 25 26 B C D E >file-2 &&
+ git commit -a -m "Modify file-2 on side" &&
+ oid_mod_f2_side=$(git rev-parse --short HEAD) &&
+
+ git mv file-2 renamed-2 &&
+ git commit -m "Rename file-2 to renamed-2 on side" &&
+
+ printf "%s\n" 12 13 14 15 16 a b c d e >file-1 &&
+ git commit -a -m "Modify file-1 on side #2" &&
+ oid_mod_f1_side_2=$(git rev-parse --short HEAD) &&
+
+ printf "%s\n" 22 23 24 25 26 A B C D E >renamed-2 &&
+ git commit -a -m "Modify renamed-2 on side" &&
+ oid_mod_r2_side=$(git rev-parse --short HEAD) &&
+
+ git checkout moves-main &&
+ git merge moves-side &&
+ oid_merge=$(git rev-parse --short HEAD)
+'
+
+test_expect_success 'fancy rename following #1' '
+ cat >expect <<-EOF &&
+ $oid_merge Merge branch '\''moves-side'\'' into moves-main
+ $oid_mod_f1_side_2 Modify file-1 on side #2
+ $oid_mod_f1_side_1 Modify file-1 on side #1
+ $oid_mod_r1_main Modify renamed-1 on main
+ $oid_mod_f1_main Modify file-1 on main
+ $oid_add_f1_f2 Add file-1 and file-2
+ EOF
+ git log -L1:renamed-1 --oneline --no-patch >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'fancy rename following #2' '
+ cat >expect <<-EOF &&
+ $oid_merge Merge branch '\''moves-side'\'' into moves-main
+ $oid_mod_r2_side Modify renamed-2 on side
+ $oid_mod_f2_side Modify file-2 on side
+ $oid_mod_f2_main_2 Modify file-2 on main #2
+ $oid_mod_f2_main_1 Modify file-2 on main #1
+ $oid_add_f1_f2 Add file-1 and file-2
+ EOF
+ git log -L1:renamed-2 --oneline --no-patch >actual &&
+ test_cmp expect actual
+'
+
+# Create the following linear history, where each commit does what its
+# subject line promises:
+#
+# * 66c6410 Modify func2() in file.c
+# * 50834e5 Modify other-file
+# * fe5851c Modify func1() in file.c
+# * 8c7c7dd Add other-file
+# * d5f4417 Add func1() and func2() in file.c
+test_expect_success 'setup for checking line-log and parent oids' '
+ git checkout --orphan parent-oids &&
+ git reset --hard &&
+
+ cat >file.c <<-\EOF &&
+ int func1()
+ {
+ return F1;
+ }
+
+ int func2()
+ {
+ return F2;
+ }
+ EOF
+ git add file.c &&
+ test_tick &&
+ first_tick=$test_tick &&
+ git commit -m "Add func1() and func2() in file.c" &&
+
+ echo 1 >other-file &&
+ git add other-file &&
+ test_tick &&
+ git commit -m "Add other-file" &&
+
+ sed -e "s/F1/F1 + 1/" file.c >tmp &&
+ mv tmp file.c &&
+ git commit -a -m "Modify func1() in file.c" &&
+
+ echo 2 >other-file &&
+ git commit -a -m "Modify other-file" &&
+
+ sed -e "s/F2/F2 + 2/" file.c >tmp &&
+ mv tmp file.c &&
+ git commit -a -m "Modify func2() in file.c" &&
+
+ head_oid=$(git rev-parse --short HEAD) &&
+ prev_oid=$(git rev-parse --short HEAD^) &&
+ root_oid=$(git rev-parse --short HEAD~4)
+'
+
+# Parent oid should be from immediate parent.
+test_expect_success 'parent oids without parent rewriting' '
+ cat >expect <<-EOF &&
+ $head_oid $prev_oid Modify func2() in file.c
+ $root_oid Add func1() and func2() in file.c
+ EOF
+ git log --format="%h %p %s" --no-patch -L:func2:file.c >actual &&
+ test_cmp expect actual
+'
+
+# Parent oid should be from the most recent ancestor touching func2(),
+# i.e. in this case from the root commit.
+test_expect_success 'parent oids with parent rewriting' '
+ cat >expect <<-EOF &&
+ $head_oid $root_oid Modify func2() in file.c
+ $root_oid Add func1() and func2() in file.c
+ EOF
+ git log --format="%h %p %s" --no-patch -L:func2:file.c --parents >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'line-log with --before' '
+ echo $root_oid >expect &&
+ git log --format=%h --no-patch -L:func2:file.c --before=$first_tick >actual &&
+ test_cmp expect actual
+'
+
+test_done