git-branch has an --abbrev= command line option, but it does no checking of the input. Take the argument parsing code from setup_revisions in revisions.c, and also the code for parsing the --no-abbrev option. Signed-off-by: Julian Phillips <julian@xxxxxxxxxxxxxxxxx> --- builtin-branch.c | 12 ++++++++++-- 1 files changed, 10 insertions(+), 2 deletions(-) diff --git a/builtin-branch.c b/builtin-branch.c index d0179b0..d371849 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -12,7 +12,7 @@ #include "builtin.h" static const char builtin_branch_usage[] = - "git-branch [-r] (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | (-m | -M) [<oldbranch>] <newbranch> | [--color | --no-color] [-r | -a] [-v [--abbrev=<length>]]"; + "git-branch [-r] (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | (-m | -M) [<oldbranch>] <newbranch> | [--color | --no-color] [-r | -a] [-v [--abbrev=<length> | --no-abbrev]]"; #define REF_UNKNOWN_TYPE 0x00 #define REF_LOCAL_BRANCH 0x01 @@ -446,8 +446,16 @@ int cmd_branch(int argc, const char **argv, const char *prefix) reflog = 1; continue; } + if (!prefixcmp(arg, "--no-abbrev")) { + abbrev = 0; + continue; + } if (!prefixcmp(arg, "--abbrev=")) { - abbrev = atoi(arg+9); + abbrev = strtoul(arg + 9, NULL, 10); + if (abbrev < MINIMUM_ABBREV) + abbrev = MINIMUM_ABBREV; + else if (abbrev > 40) + abbrev = 40; continue; } if (!strcmp(arg, "-v")) { -- 1.5.0.2 - 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