Refuse to use $VISUAL and fall back to $EDITOR if TERM is unset
or set to "dumb". Traditionally, VISUAL is set to a screen
editor and EDITOR to a line-based editor, which should be more
useful in that situation.
vim, for example, is happy to assume a terminal supports ANSI
sequences even if TERM is dumb (e.g., when running from a text
editor like Acme). git already refuses to fall back to vi on a
dumb terminal if GIT_EDITOR, core.editor, VISUAL, and EDITOR are
unset, but without this patch, that check is suppressed by
VISUAL=vi.
Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
Fixes broken sign-off, patch unchanged.
I am personally most interested in this for usage from a text editor,
but vim does not set TERM=dumb like it probably ought to. A more
realistic everyday example might be "ssh user@domain git commit".
editor.c | 12 ++++++------
t/t7005-editor.sh | 10 ++++++++++
t/t7501-commit.sh | 8 ++++----
t/test-lib.sh | 8 ++++----
4 files changed, 24 insertions(+), 14 deletions(-)
diff --git a/editor.c b/editor.c
index 941c0b2..3f13751 100644
--- a/editor.c
+++ b/editor.c
@@ -4,19 +4,19 @@
int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
{
- const char *editor, *terminal;
+ const char *editor = getenv("GIT_EDITOR");
+ const char *terminal = getenv("TERM");
+ int terminal_is_dumb = !terminal || !strcmp(terminal, "dumb");
- editor = getenv("GIT_EDITOR");
if (!editor && editor_program)
editor = editor_program;
- if (!editor)
+ if (!editor && !terminal_is_dumb)
editor = getenv("VISUAL");
if (!editor)
editor = getenv("EDITOR");
- terminal = getenv("TERM");
- if (!editor && (!terminal || !strcmp(terminal, "dumb")))
- return error("Terminal is dumb but no VISUAL nor EDITOR defined.");
+ if (!editor && terminal_is_dumb)
+ return error("terminal is dumb, but EDITOR unset");
if (!editor)
editor = "vi";
diff --git a/t/t7005-editor.sh b/t/t7005-editor.sh
index b647957..a95fe19 100755
--- a/t/t7005-editor.sh
+++ b/t/t7005-editor.sh
@@ -42,6 +42,16 @@ test_expect_success 'dumb should error out when falling back on vi' '
fi
'
+test_expect_success 'dumb should prefer EDITOR to VISUAL' '
+
+ EDITOR=./e-EDITOR.sh &&
+ VISUAL=./e-VISUAL.sh &&
+ export EDITOR VISUAL &&
+ git commit --amend &&
+ test "$(git show -s --format=%s)" = "Edited by EDITOR"
+
+'
+
TERM=vt100
export TERM
for i in vi EDITOR VISUAL core_editor GIT_EDITOR
diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh
index d2de576..a603f6d 100755
--- a/t/t7501-commit.sh
+++ b/t/t7501-commit.sh
@@ -86,7 +86,7 @@ chmod 755 editor
test_expect_success \
"amend commit" \
- "VISUAL=./editor git commit --amend"
+ "EDITOR=./editor git commit --amend"
test_expect_success \
"passing -m and -F" \
@@ -107,7 +107,7 @@ chmod 755 editor
test_expect_success \
"editing message from other commit" \
"echo 'hula hula' >file && \
- VISUAL=./editor git commit -c HEAD^ -a"
+ EDITOR=./editor git commit -c HEAD^ -a"
test_expect_success \
"message from stdin" \
@@ -141,10 +141,10 @@ EOF
test_expect_success \
'editor not invoked if -F is given' '
echo "moo" >file &&
- VISUAL=./editor git commit -a -F msg &&
+ EDITOR=./editor git commit -a -F msg &&
git show -s --pretty=format:"%s" | grep -q good &&
echo "quack" >file &&
- echo "Another good message." | VISUAL=./editor git commit -a -F - &&
+ echo "Another good message." | EDITOR=./editor git commit -a -F - &&
git show -s --pretty=format:"%s" | grep -q good
'
# We could just check the head sha1, but checking each commit makes it
diff --git a/t/test-lib.sh b/t/test-lib.sh
index f2ca536..ec3336a 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -30,7 +30,7 @@ TZ=UTC
TERM=dumb
export LANG LC_ALL PAGER TERM TZ
EDITOR=:
-VISUAL=:
+unset VISUAL
unset GIT_EDITOR
unset AUTHOR_DATE
unset AUTHOR_EMAIL
@@ -58,7 +58,7 @@ GIT_MERGE_VERBOSITY=5
export GIT_MERGE_VERBOSITY
export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
-export EDITOR VISUAL
+export EDITOR
GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
# Protect ourselves from common misconfiguration to export
@@ -207,8 +207,8 @@ trap 'die' EXIT
test_set_editor () {
FAKE_EDITOR="$1"
export FAKE_EDITOR
- VISUAL='"$FAKE_EDITOR"'
- export VISUAL
+ EDITOR='"$FAKE_EDITOR"'
+ export EDITOR
}
test_tick () {
--
1.6.5.2
--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html