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submodule: add get_submodule_config helper funtion

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Several submodule configuration variables
(e.g. fetchRecurseSubmodules) are read from .gitmodules with local
overrides from the usual git config files.  This shell function mimics
that logic to help initialize configuration variables in
git-submodule.sh.

Signed-off-by: W. Trevor King <wking@tremily.us>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
W. Trevor King 2012-12-11 13:58:15 -05:00 committed by Junio C Hamano
parent b7973fbbc3
commit 88ce00c378
1 changed files with 26 additions and 0 deletions
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26
git-submodule.sh
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@ -152,6 +152,32 @@ die_if_unmatched ()
fi
}
#
# Print a submodule configuration setting
#
# $1 = submodule name
# $2 = option name
# $3 = default value
#
# Checks in the usual git-config places first (for overrides),
# otherwise it falls back on .gitmodules. This allows you to
# distribute project-wide defaults in .gitmodules, while still
# customizing individual repositories if necessary. If the option is
# not in .gitmodules either, print a default value.
#
get_submodule_config () {
name="$1"
option="$2"
default="$3"
value=$(git config submodule."$name"."$option")
if test -z "$value"
then
value=$(git config -f .gitmodules submodule."$name"."$option")
fi
printf '%s' "${value:-$default}"
}
#
# Map submodule path to submodule name
#