First: `git rev-parse --short` without a number does use a fixed default but `core.abbrev` which in turn uses `find_unique_abbrev` internally. Second: `--short` implies `--verify` since the beginning (d50125085a), so it cannot be used for bulk-shortening ids unfortunately. Signed-off-by: Andreas Heiduk <asheiduk@xxxxxxxxx> --- Documentation/config.txt | 1 + Documentation/git-rev-parse.txt | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/config.txt b/Documentation/config.txt index e0b9fd0bc..158cb588b 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -862,6 +862,7 @@ core.abbrev:: computed based on the approximate number of packed objects in your repository, which hopefully is enough for abbreviated object names to stay unique for some time. + The minimum length is 4. add.ignoreErrors:: add.ignore-errors (deprecated):: diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index c40c47044..7a7421c8e 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -140,7 +140,9 @@ can be used. --short=number:: Instead of outputting the full SHA-1 values of object names try to abbreviate them to a shorter unique name. When no length is specified - 7 is used. The minimum length is 4. + the effective value of the configuration variable `core.abbrev` (see + linkgit:git-config[1]) is used. The minimum length is 4. The length + may be exceeded to ensure unique object names. Implies `--verify`. --symbolic:: Usually the object names are output in SHA-1 form (with -- 2.13.0