diff options
| -rw-r--r-- | Documentation/git-read-tree.txt | 14 | ||||
| -rw-r--r-- | Documentation/git.txt | 8 | ||||
| -rw-r--r-- | builtin-read-tree.c | 7 | ||||
| -rw-r--r-- | cache.h | 2 | ||||
| -rwxr-xr-x | git-commit.sh | 4 | ||||
| -rw-r--r-- | lockfile.c | 11 |
6 files changed, 30 insertions, 16 deletions
diff --git a/Documentation/git-read-tree.txt b/Documentation/git-read-tree.txt index 0ff2890c7f..019c8bef7a 100644 --- a/Documentation/git-read-tree.txt +++ b/Documentation/git-read-tree.txt @@ -8,7 +8,7 @@ git-read-tree - Reads tree information into the index SYNOPSIS -------- -'git-read-tree' (<tree-ish> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] <tree-ish1> [<tree-ish2> [<tree-ish3>]]) +'git-read-tree' (<tree-ish> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] [--index-output=<file>] <tree-ish1> [<tree-ish2> [<tree-ish3>]]) DESCRIPTION @@ -86,6 +86,18 @@ OPTIONS file (usually '.gitignore') and allows such an untracked but explicitly ignored file to be overwritten. +--index-output=<file>:: + Instead of writing the results out to `$GIT_INDEX_FILE`, + write the resulting index in the named file. While the + command is operating, the original index file is locked + with the same mechanism as usual. The file must allow + to be rename(2)ed into from a temporary file that is + created next to the usual index file; typically this + means it needs to be on the same filesystem as the index + file itself, and you need write permission to the + directories the index file and index output file are + located in. + <tree-ish#>:: The id of the tree object(s) to be read/merged. diff --git a/Documentation/git.txt b/Documentation/git.txt index 8fa1a0a588..9defc33273 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -315,14 +315,6 @@ git so take care if using Cogito etc. index file. If not specified, the default of `$GIT_DIR/index` is used. -'_GIT_INDEX_OUTPUT':: - When this environment is defined, plumbing level - commands that update the index writes the resulting - index to this file, instead of `$GIT_INDEX_FILE` (or its - default `$GIT_DIR/index`). This is solely meant to be - used by Porcelain to drive low-level plumbing. Defining - this in user's environment is always an error. - 'GIT_OBJECT_DIRECTORY':: If the object storage directory is specified via this environment variable then the sha1 directories are created diff --git a/builtin-read-tree.c b/builtin-read-tree.c index 87048f82ee..213bd93c7f 100644 --- a/builtin-read-tree.c +++ b/builtin-read-tree.c @@ -84,7 +84,7 @@ static void prime_cache_tree(void) } -static const char read_tree_usage[] = "git-read-tree (<sha> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] <sha1> [<sha2> [<sha3>]])"; +static const char read_tree_usage[] = "git-read-tree (<sha> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] [--index-output=<file>] <sha1> [<sha2> [<sha3>]])"; static struct lock_file lock_file; @@ -128,6 +128,11 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) continue; } + if (!prefixcmp(arg, "--index-output=")) { + set_alternate_index_output(arg + 15); + continue; + } + /* "--prefix=<subdirectory>/" means keep the current index * entries and put the entries from the tree under the * given subdirectory. @@ -147,7 +147,6 @@ enum object_type { #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" -#define INDEX_OUTPUT_ENVIRONMENT "_GIT_INDEX_OUTPUT" #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" #define CONFIG_ENVIRONMENT "GIT_CONFIG" @@ -216,6 +215,7 @@ extern int commit_lock_file(struct lock_file *); extern int hold_locked_index(struct lock_file *, int); extern int commit_locked_index(struct lock_file *); +extern void set_alternate_index_output(const char *); extern void rollback_lock_file(struct lock_file *); extern int delete_ref(const char *, unsigned char *sha1); diff --git a/git-commit.sh b/git-commit.sh index 20c0dc806f..9e0959aec0 100755 --- a/git-commit.sh +++ b/git-commit.sh @@ -370,8 +370,8 @@ t,) # the same way. if test -z "$initial_commit" then - _GIT_INDEX_OUTPUT="$TMP_INDEX" \ - GIT_INDEX_FILE="$THIS_INDEX" git-read-tree -i -m HEAD + GIT_INDEX_FILE="$THIS_INDEX" \ + git-read-tree --index-output="$TMP_INDEX" -i -m HEAD else rm -f "$TMP_INDEX" fi || exit diff --git a/lockfile.c b/lockfile.c index 2023ebb6ff..bed6b21daf 100644 --- a/lockfile.c +++ b/lockfile.c @@ -4,6 +4,7 @@ #include "cache.h" static struct lock_file *lock_file_list; +static const char *alternate_index_output; static void remove_lock_file(void) { @@ -70,11 +71,15 @@ int hold_locked_index(struct lock_file *lk, int die_on_error) return hold_lock_file_for_update(lk, get_index_file(), die_on_error); } +void set_alternate_index_output(const char *name) +{ + alternate_index_output = name; +} + int commit_locked_index(struct lock_file *lk) { - char *output = getenv(INDEX_OUTPUT_ENVIRONMENT); - if (output && *output) { - int result = rename(lk->filename, output); + if (alternate_index_output) { + int result = rename(lk->filename, alternate_index_output); lk->filename[0] = 0; return result; } |