diff options
Diffstat (limited to 'cmdline/apt-key.in')
| -rw-r--r-- | cmdline/apt-key.in | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/cmdline/apt-key.in b/cmdline/apt-key.in index 790859e26..f1d021e8a 100644 --- a/cmdline/apt-key.in +++ b/cmdline/apt-key.in @@ -25,6 +25,21 @@ requires_root() { fi } +command_available() { + # command -v "$1" >/dev/null 2>&1 # not required by policy, see #747320 + # which "$1" >/dev/null 2>&1 # is in debianutils (essential) but not on non-debian systems + local OLDIFS="$IFS" + IFS=: + for p in $PATH; do + if [ -x "${p}/${1}" ]; then + IFS="$OLDIFS" + return 0 + fi + done + IFS="$OLDIFS" + return 1 +} + get_fingerprints_of_keyring() { aptkey_execute "$GPG_SH" --keyring "$1" --with-colons --fingerprint | while read publine; do # search for a public key @@ -112,7 +127,7 @@ net_update() { fi # in theory we would need to depend on wget for this, but this feature # isn't useable in debian anyway as we have no keyring uri nor a master key - if ! command -v wget >/dev/null 2>&1; then + if ! command_available 'wget'; then echo >&2 "ERROR: an installed wget is required for a network-based update" exit 1 fi @@ -472,11 +487,11 @@ create_gpg_home() { prepare_gpg_home() { eval $(apt-config shell GPG_EXE Apt::Key::gpgcommand) - if [ -n "$GPG_EXE" ] && command -v "$GPG_EXE" >/dev/null 2>&1; then + if [ -n "$GPG_EXE" ] && command_available "$GPG_EXE"; then true - elif command -v gpg >/dev/null 2>&1; then + elif command_available 'gpg'; then GPG_EXE="gpg" - elif command -v gpg2 >/dev/null 2>&1; then + elif command_available 'gpg2'; then GPG_EXE="gpg2" else echo >&2 "Error: gnupg or gnupg2 do not seem to be installed," @@ -569,9 +584,9 @@ case "$command" in verify) GPGV='' eval $(apt-config shell GPGV Apt::Key::gpgvcommand) - if [ -n "$GPGV" ] && command -v "$GPGV" >/dev/null 2>&1; then true; - elif command -v gpgv >/dev/null 2>&1; then GPGV='gpgv'; - elif command -v gpgv2 >/dev/null 2>&1; then GPGV='gpgv2'; + if [ -n "$GPGV" ] && command_available "$GPGV"; then true; + elif command_available 'gpgv'; then GPGV='gpgv'; + elif command_available 'gpgv2'; then GPGV='gpgv2'; else echo >&2 'ERROR: gpgv or gpgv2 required for verification' exit 29 |