From: Antoine Delaite <antoine.dela...@ensimag.grenoble-inp.fr>

To add new tags like old/new and have keywords less confusing, the
first step is to avoid hardcoding the keywords.

The default mode is still bad/good.

Signed-off-by: Antoine Delaite <antoine.dela...@ensimag.grenoble-inp.fr>
Signed-off-by: Louis Stuber <stub...@ensimag.grenoble-inp.fr>
Signed-off-by: Valentin Duperray <valentin.duper...@ensimag.imag.fr>
Signed-off-by: Franck Jonas <franck.jo...@ensimag.imag.fr>
Signed-off-by: Lucien Kong <lucien.k...@ensimag.imag.fr>
Signed-off-by: Thomas Nguy <thomas.n...@ensimag.imag.fr>
Signed-off-by: Huynh Khoi Nguyen Nguyen 
<huynh-khoi-nguyen.ngu...@ensimag.imag.fr>
Signed-off-by: Matthieu Moy <matthieu....@imag.fr>
---
 bisect.c      | 54 +++++++++++++++++++++++++++++++++++++-----------------
 git-bisect.sh | 57 +++++++++++++++++++++++++++++++--------------------------
 2 files changed, 68 insertions(+), 43 deletions(-)

diff --git a/bisect.c b/bisect.c
index 5b8357d..9368f6c 100644
--- a/bisect.c
+++ b/bisect.c
@@ -21,6 +21,9 @@ static const char *argv_checkout[] = {"checkout", "-q", NULL, 
"--", NULL};
 static const char *argv_show_branch[] = {"show-branch", NULL, NULL};
 static const char *argv_update_ref[] = {"update-ref", "--no-deref", 
"BISECT_HEAD", NULL, NULL};
 
+static const char *name_bad;
+static const char *name_good;
+
 /* Remember to update object flag allocation in object.h */
 #define COUNTED                (1u<<16)
 
@@ -403,15 +406,21 @@ struct commit_list *find_bisection(struct commit_list 
*list,
 static int register_ref(const char *refname, const struct object_id *oid,
                        int flags, void *cb_data)
 {
-       if (!strcmp(refname, "bad")) {
+       struct strbuf good_prefix = STRBUF_INIT;
+       strbuf_addstr(&good_prefix, name_good);
+       strbuf_addstr(&good_prefix, "-");
+
+       if (!strcmp(refname, name_bad)) {
                current_bad_oid = xmalloc(sizeof(*current_bad_oid));
                oidcpy(current_bad_oid, oid);
-       } else if (starts_with(refname, "good-")) {
+       } else if (starts_with(refname, good_prefix.buf)) {
                sha1_array_append(&good_revs, oid->hash);
        } else if (starts_with(refname, "skip-")) {
                sha1_array_append(&skipped_revs, oid->hash);
        }
 
+       strbuf_release(&good_prefix);
+
        return 0;
 }
 
@@ -634,7 +643,7 @@ static void exit_if_skipped_commits(struct commit_list 
*tried,
                return;
 
        printf("There are only 'skip'ped commits left to test.\n"
-              "The first bad commit could be any of:\n");
+              "The first %s commit could be any of:\n", name_bad);
        print_commit_list(tried, "%s\n", "%s\n");
        if (bad)
                printf("%s\n", oid_to_hex(bad));
@@ -732,18 +741,24 @@ static void handle_bad_merge_base(void)
        if (is_expected_rev(current_bad_oid)) {
                char *bad_hex = oid_to_hex(current_bad_oid);
                char *good_hex = join_sha1_array_hex(&good_revs, ' ');
-
-               fprintf(stderr, "The merge base %s is bad.\n"
-                       "This means the bug has been fixed "
-                       "between %s and [%s].\n",
-                       bad_hex, bad_hex, good_hex);
-
+               if (!strcmp(name_bad, "bad") && !strcmp(name_good, "good")) {
+                       fprintf(stderr, "The merge base %s is bad.\n"
+                               "This means the bug has been fixed "
+                               "between %s and [%s].\n",
+                               bad_hex, bad_hex, good_hex);
+               } else {
+                       fprintf(stderr, "The merge base %s is %s.\n"
+                               "This means the first '%s' commit is "
+                               "between %s and [%s].\n",
+                               bad_hex, name_bad, name_good, bad_hex, 
good_hex);
+               }
                exit(3);
        }
 
-       fprintf(stderr, "Some good revs are not ancestor of the bad rev.\n"
+       fprintf(stderr, "Some %s revs are not ancestor of the %s rev.\n"
                "git bisect cannot work properly in this case.\n"
-               "Maybe you mistook good and bad revs?\n");
+               "Maybe you mistook %s and %s revs?\n",
+               name_good, name_bad, name_good, name_bad);
        exit(1);
 }
 
@@ -755,10 +770,10 @@ static void handle_skipped_merge_base(const unsigned char 
*mb)
 
        warning("the merge base between %s and [%s] "
                "must be skipped.\n"
-               "So we cannot be sure the first bad commit is "
+               "So we cannot be sure the first %s commit is "
                "between %s and %s.\n"
                "We continue anyway.",
-               bad_hex, good_hex, mb_hex, bad_hex);
+               bad_hex, good_hex, name_bad, mb_hex, bad_hex);
        free(good_hex);
 }
 
@@ -839,7 +854,7 @@ static void check_good_are_ancestors_of_bad(const char 
*prefix, int no_checkout)
        int fd;
 
        if (!current_bad_oid)
-               die("a bad revision is needed");
+               die("a %s revision is needed", name_bad);
 
        /* Check if file BISECT_ANCESTORS_OK exists. */
        if (!stat(filename, &st) && S_ISREG(st.st_mode))
@@ -905,6 +920,8 @@ int bisect_next_all(const char *prefix, int no_checkout)
        const unsigned char *bisect_rev;
        char bisect_rev_hex[GIT_SHA1_HEXSZ + 1];
 
+       name_bad = "bad";
+       name_good = "good";
        if (read_bisect_refs())
                die("reading bisect refs failed");
 
@@ -926,8 +943,10 @@ int bisect_next_all(const char *prefix, int no_checkout)
                 */
                exit_if_skipped_commits(tried, NULL);
 
-               printf("%s was both good and bad\n",
-                      oid_to_hex(current_bad_oid));
+               printf("%s was both %s and %s\n",
+                      oid_to_hex(current_bad_oid),
+                      name_good,
+                      name_bad);
                exit(1);
        }
 
@@ -942,7 +961,8 @@ int bisect_next_all(const char *prefix, int no_checkout)
 
        if (!hashcmp(bisect_rev, current_bad_oid->hash)) {
                exit_if_skipped_commits(tried, current_bad_oid);
-               printf("%s is the first bad commit\n", bisect_rev_hex);
+               printf("%s is the first %s commit\n", bisect_rev_hex,
+                       name_bad);
                show_diff_tree(prefix, revs.commits->item);
                /* This means the bisection process succeeded. */
                exit(10);
diff --git a/git-bisect.sh b/git-bisect.sh
index ae3fec2..ce6412f 100755
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -32,6 +32,8 @@ OPTIONS_SPEC=
 
 _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
+NAME_BAD=bad
+NAME_GOOD=good
 
 bisect_head()
 {
@@ -100,8 +102,8 @@ bisect_start() {
                                break
                        }
                        case $bad_seen in
-                       0) state='bad' ; bad_seen=1 ;;
-                       *) state='good' ;;
+                       0) state=$NAME_BAD ; bad_seen=1 ;;
+                       *) state=$NAME_GOOD ;;
                        esac
                        eval="$eval bisect_write '$state' '$rev' 'nolog' &&"
                        shift
@@ -184,9 +186,12 @@ bisect_write() {
        rev="$2"
        nolog="$3"
        case "$state" in
-               bad)            tag="$state" ;;
-               good|skip)      tag="$state"-"$rev" ;;
-               *)              die "$(eval_gettext "Bad bisect_write argument: 
\$state")" ;;
+               "$NAME_BAD")
+                       tag="$state" ;;
+               "$NAME_GOOD"|skip)
+                       tag="$state"-"$rev" ;;
+               *)
+                       die "$(eval_gettext "Bad bisect_write argument: 
\$state")" ;;
        esac
        git update-ref "refs/bisect/$tag" "$rev" || exit
        echo "# $state: $(git show-branch $rev)" >>"$GIT_DIR/BISECT_LOG"
@@ -230,12 +235,12 @@ bisect_state() {
        case "$#,$state" in
        0,*)
                die "$(gettext "Please call 'bisect_state' with at least one 
argument.")" ;;
-       1,bad|1,good|1,skip)
+       1,"$NAME_BAD"|1,"$NAME_GOOD"|1,skip)
                rev=$(git rev-parse --verify $(bisect_head)) ||
                        die "$(gettext "Bad rev input: $(bisect_head)")"
                bisect_write "$state" "$rev"
                check_expected_revs "$rev" ;;
-       2,bad|*,good|*,skip)
+       2,"$NAME_BAD"|*,"$NAME_GOOD"|*,skip)
                shift
                hash_list=''
                for rev in "$@"
@@ -249,8 +254,8 @@ bisect_state() {
                        bisect_write "$state" "$rev"
                done
                check_expected_revs $hash_list ;;
-       *,bad)
-               die "$(gettext "'git bisect bad' can take only one argument.")" 
;;
+       *,"$NAME_BAD")
+               die "$(eval_gettext "'git bisect \$NAME_BAD' can take only one 
argument.")" ;;
        *)
                usage ;;
        esac
@@ -259,21 +264,21 @@ bisect_state() {
 
 bisect_next_check() {
        missing_good= missing_bad=
-       git show-ref -q --verify refs/bisect/bad || missing_bad=t
-       test -n "$(git for-each-ref "refs/bisect/good-*")" || missing_good=t
+       git show-ref -q --verify refs/bisect/$NAME_BAD || missing_bad=t
+       test -n "$(git for-each-ref "refs/bisect/$NAME_GOOD-*")" || 
missing_good=t
 
        case "$missing_good,$missing_bad,$1" in
        ,,*)
-               : have both good and bad - ok
+               : have both $NAME_GOOD and $NAME_BAD - ok
                ;;
        *,)
                # do not have both but not asked to fail - just report.
                false
                ;;
-       t,,good)
+       t,,"$NAME_GOOD")
                # have bad but not good.  we could bisect although
                # this is less optimum.
-               gettextln "Warning: bisecting only with a bad commit." >&2
+               eval_gettextln "Warning: bisecting only with a \$NAME_BAD 
commit." >&2
                if test -t 0
                then
                        # TRANSLATORS: Make sure to include [Y] and [n] in your
@@ -283,7 +288,7 @@ bisect_next_check() {
                        read yesno
                        case "$yesno" in [Nn]*) exit 1 ;; esac
                fi
-               : bisect without good...
+               : bisect without $NAME_GOOD...
                ;;
        *)
 
@@ -307,7 +312,7 @@ bisect_auto_next() {
 bisect_next() {
        case "$#" in 0) ;; *) usage ;; esac
        bisect_autostart
-       bisect_next_check good
+       bisect_next_check $NAME_GOOD
 
        # Perform all bisection computation, display and checkout
        git bisect--helper --next-all $(test -f "$GIT_DIR/BISECT_HEAD" && echo 
--no-checkout)
@@ -316,18 +321,18 @@ bisect_next() {
        # Check if we should exit because bisection is finished
        if test $res -eq 10
        then
-               bad_rev=$(git show-ref --hash --verify refs/bisect/bad)
+               bad_rev=$(git show-ref --hash --verify refs/bisect/$NAME_BAD)
                bad_commit=$(git show-branch $bad_rev)
-               echo "# first bad commit: $bad_commit" >>"$GIT_DIR/BISECT_LOG"
+               echo "# first $NAME_BAD commit: $bad_commit" 
>>"$GIT_DIR/BISECT_LOG"
                exit 0
        elif test $res -eq 2
        then
                echo "# only skipped commits left to test" 
>>"$GIT_DIR/BISECT_LOG"
-               good_revs=$(git for-each-ref --format="%(objectname)" 
"refs/bisect/good-*")
-               for skipped in $(git rev-list refs/bisect/bad --not $good_revs)
+               good_revs=$(git for-each-ref --format="%(objectname)" 
"refs/bisect/$NAME_GOOD-*")
+               for skipped in $(git rev-list refs/bisect/$NAME_BAD --not 
$good_revs)
                do
                        skipped_commit=$(git show-branch $skipped)
-                       echo "# possible first bad commit: $skipped_commit" 
>>"$GIT_DIR/BISECT_LOG"
+                       echo "# possible first $NAME_BAD commit: 
$skipped_commit" >>"$GIT_DIR/BISECT_LOG"
                done
                exit $res
        fi
@@ -421,7 +426,7 @@ bisect_replay () {
                start)
                        cmd="bisect_start $rev"
                        eval "$cmd" ;;
-               good|bad|skip)
+               $NAME_GOOD|$NAME_BAD|skip)
                        bisect_write "$command" "$rev" ;;
                *)
                        die "$(gettext "?? what are you talking about?")" ;;
@@ -455,9 +460,9 @@ exit code \$res from '\$command' is < 0 or >= 128" >&2
                        state='skip'
                elif [ $res -gt 0 ]
                then
-                       state='bad'
+                       state="$NAME_BAD"
                else
-                       state='good'
+                       state="$NAME_GOOD"
                fi
 
                # We have to use a subshell because "bisect_state" can exit.
@@ -466,7 +471,7 @@ exit code \$res from '\$command' is < 0 or >= 128" >&2
 
                cat "$GIT_DIR/BISECT_RUN"
 
-               if sane_grep "first bad commit could be any of" 
"$GIT_DIR/BISECT_RUN" \
+               if sane_grep "first $NAME_BAD commit could be any of" 
"$GIT_DIR/BISECT_RUN" \
                        >/dev/null
                then
                        gettextln "bisect run cannot continue any more" >&2
@@ -480,7 +485,7 @@ exit code \$res from '\$command' is < 0 or >= 128" >&2
                        exit $res
                fi
 
-               if sane_grep "is the first bad commit" "$GIT_DIR/BISECT_RUN" 
>/dev/null
+               if sane_grep "is the first $NAME_BAD commit" 
"$GIT_DIR/BISECT_RUN" >/dev/null
                then
                        gettextln "bisect run success"
                        exit 0;
-- 
2.4.4.414.g318df7a.dirty

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