The patch extends git config --file interface to allow read config from
stdin.
Editing stdin or setting value in stdin is an error.
Include by absolute path is allowed in stdin config, but not by relative
path.
Signed-off-by: Kirill A. Shutemov kir...@shutemov.name
---
builtin/config.c | 11 +++
cache.h | 1 +
config.c | 41 +++--
t/t1300-repo-config.sh| 17 +++--
t/t1305-config-include.sh | 16 +++-
5 files changed, 69 insertions(+), 17 deletions(-)
diff --git a/builtin/config.c b/builtin/config.c
index de41ba50e9ca..5677c942b693 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -360,6 +360,9 @@ static int get_colorbool(int print)
static void check_write(void)
{
+ if (given_config_source.use_stdin)
+ die(writing to stdin is not supported);
+
if (given_config_source.blob)
die(writing config blobs is not supported);
}
@@ -472,6 +475,12 @@ int cmd_config(int argc, const char **argv, const char
*prefix)
usage_with_options(builtin_config_usage,
builtin_config_options);
}
+ if (given_config_source.file
+ !strcmp(given_config_source.file, -)) {
+ given_config_source.file = NULL;
+ given_config_source.use_stdin = 1;
+ }
+
if (use_global_config) {
char *user_config = NULL;
char *xdg_config = NULL;
@@ -558,6 +567,8 @@ int cmd_config(int argc, const char **argv, const char
*prefix)
check_argc(argc, 0, 0);
if (!given_config_source.file nongit)
die(not in a git directory);
+ if (given_config_source.use_stdin)
+ die(editing stdin is not supported);
if (given_config_source.blob)
die(editing blobs is not supported);
git_config(git_default_config, NULL);
diff --git a/cache.h b/cache.h
index 9d94bd69f7db..4db19b537059 100644
--- a/cache.h
+++ b/cache.h
@@ -1147,6 +1147,7 @@ extern int update_server_info(int);
#define CONFIG_GENERIC_ERROR 7
struct git_config_source {
+ unsigned int use_stdin:1;
const char *file;
const char *blob;
};
diff --git a/config.c b/config.c
index a21b0ddadecc..7b1febdf4af0 100644
--- a/config.c
+++ b/config.c
@@ -1031,24 +1031,35 @@ static int do_config_from(struct config_source *top,
config_fn_t fn, void *data)
return ret;
}
-int git_config_from_file(config_fn_t fn, const char *filename, void *data)
+static int do_config_from_file(config_fn_t fn,
+ const char *name, const char *path, FILE *f, void *data)
{
- int ret;
- FILE *f = fopen(filename, r);
+ struct config_source top;
- ret = -1;
- if (f) {
- struct config_source top;
+ top.u.file = f;
+ top.name = name;
+ top.path = path;
+ top.die_on_error = 1;
+ top.do_fgetc = config_file_fgetc;
+ top.do_ungetc = config_file_ungetc;
+ top.do_ftell = config_file_ftell;
- top.u.file = f;
- top.name = top.path = filename;
- top.die_on_error = 1;
- top.do_fgetc = config_file_fgetc;
- top.do_ungetc = config_file_ungetc;
- top.do_ftell = config_file_ftell;
+ return do_config_from(top, fn, data);
+}
- ret = do_config_from(top, fn, data);
+static int git_config_from_stdin(config_fn_t fn, void *data)
+{
+ return do_config_from_file(fn, stdin, NULL, stdin, data);
+}
+
+int git_config_from_file(config_fn_t fn, const char *filename, void *data)
+{
+ int ret = -1;
+ FILE *f;
+ f = fopen(filename, r);
+ if (f) {
+ ret = do_config_from_file(fn, filename, filename, f, data);
fclose(f);
}
return ret;
@@ -1190,7 +1201,9 @@ int git_config_with_options(config_fn_t fn, void *data,
* If we have a specific filename, use it. Otherwise, follow the
* regular lookup sequence.
*/
- if (config_source config_source-file)
+ if (config_source config_source-use_stdin)
+ return git_config_from_stdin(fn, data);
+ else if (config_source config_source-file)
return git_config_from_file(fn, config_source-file, data);
else if (config_source config_source-blob)
return git_config_from_blob_ref(fn, config_source-blob, data);
diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh
index 967359344dab..c9c426c273e5 100755
--- a/t/t1300-repo-config.sh
+++ b/t/t1300-repo-config.sh
@@ -475,15 +475,28 @@ ein.bahn=strasse
EOF
test_expect_success 'alternative GIT_CONFIG' '
- GIT_CONFIG=other-config git config -l output
+ GIT_CONFIG=other-config git config --list output
test_cmp expect output
'
