diff options
Diffstat (limited to 'Documentation/git-rev-parse.txt')
| -rw-r--r-- | Documentation/git-rev-parse.txt | 53 |
1 files changed, 45 insertions, 8 deletions
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index 5981c79f6a..ba65bfa16b 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -52,6 +52,12 @@ OPTIONS The parameter given must be usable as a single, valid object name. Otherwise barf and abort. +-q:: +--quiet:: + Only meaningful in `--verify` mode. Do not output an error + message if the first argument is not a valid object name; + instead exit with non-zero status silently. + --sq:: Usually the output is made one line per flag and parameter. This option makes output a single line, @@ -114,16 +120,19 @@ OPTIONS --is-bare-repository:: When the repository is bare print "true", otherwise "false". ---short, --short=number:: +--short:: +--short=number:: Instead of outputting the full SHA1 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. ---since=datestring, --after=datestring:: +--since=datestring:: +--after=datestring:: Parses the date string, and outputs corresponding --max-age= parameter for git-rev-list command. ---until=datestring, --before=datestring:: +--until=datestring:: +--before=datestring:: Parses the date string, and outputs corresponding --min-age= parameter for git-rev-list command. @@ -175,7 +184,10 @@ blobs contained in a commit. second ago\}' or '\{1979-02-26 18:30:00\}') to specify the value of the ref at a prior point in time. This suffix may only be used immediately following a ref name and the ref must have an - existing log ($GIT_DIR/logs/<ref>). + existing log ($GIT_DIR/logs/<ref>). Note that this looks up the state + of your *local* ref at a given time; e.g., what was in your local + `master` branch last week. If you want to look at commits made during + certain times, see `--since` and `--until`. * A ref followed by the suffix '@' with an ordinal specification enclosed in a brace pair (e.g. '\{1\}', '\{15\}') to specify @@ -289,9 +301,9 @@ It is the set of commits that are reachable from either one of `r1` or `r2` but not from both. Two other shorthands for naming a set that is formed by a commit -and its parent commits exists. `r1{caret}@` notation means all +and its parent commits exist. The `r1{caret}@` notation means all parents of `r1`. `r1{caret}!` includes commit `r1` but excludes -its all parents. +all of its parents. Here are a handful of examples: @@ -344,7 +356,7 @@ Each line of options has this format: * Use `*` to mean that this option should not be listed in the usage generated for the `-h` argument. It's shown for `--help-all` as - documented in linkgit:gitcli[5]. + documented in linkgit:gitcli[7]. * Use `!` to not make the corresponding negated long option available. @@ -375,6 +387,31 @@ C? option C with an optional argument" eval `echo "$OPTS_SPEC" | git-rev-parse --parseopt -- "$@" || echo exit $?` ------------ +EXAMPLES +-------- + +* Print the object name of the current commit: ++ +------------ +$ git rev-parse --verify HEAD +------------ + +* Print the commit object name from the revision in the $REV shell variable: ++ +------------ +$ git rev-parse --verify $REV +------------ ++ +This will error out if $REV is empty or not a valid revision. + +* Same as above: ++ +------------ +$ git rev-parse --default master --verify $REV +------------ ++ +but if $REV is empty, the commit object name from master will be printed. + Author ------ @@ -387,4 +424,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. GIT --- -Part of the linkgit:git[7] suite +Part of the linkgit:git[1] suite |